Red Wine
Analysis Dates: 11 October – 17 October 2018
Report Date: 31 October 2018
� www.interwinery.com.au
Compiled by: L Warner (Statistical Secretary)
Authorised by: M Harding (QA Manager)
Accreditation No: 19447 Accredited for compliance to ISO/IEC 17043
Statistical Report Round 18 – 06
Version 1.0 (final)
IWAG Report Round 18-06 Page 2 of 45
Free SO2 Sample A Sample B Total SO2 Sample A Sample B pH Sample A Sample B Titratable
Acidity 7.0 Sample A Sample B
No of cases 158 158 No of cases 163 163 No of cases 158 158 No of cases 36 36
Minimum 13.0 11.0 Minimum 41 40 Minimum 3.47 3.44 Minimum 4.60 4.60
Maximum 26.0 26.0 Maximum 66 66 Maximum 3.67 3.68 Maximum 5.90 5.90
Range 13.0 15.0 Range 25 26 Range 0.20 0.24 Range 1.30 1.30
Median 19.0 19.0 Median 53 54 Median 3.56 3.56 Median 4.83 4.83
Mean 19.3 19.3 Mean 53 53 Mean 3.56 3.56 Mean 4.97 4.97
95% CI Upper 19.7 19.6 95% CI Upper 54 54 95% CI Upper 3.57 3.56 95% CI Upper 5.08 5.08
95% CI Lower 18.9 18.9 95% CI Lower 52 53 95% CI Lower 3.56 3.55 95% CI Lower 4.86 4.87
Standard Dev 2.4 2.4 Standard Dev 4 4 Standard Dev 0.03 0.03 Standard Dev 0.33 0.32
C.V. 12.44% 12.44% C.V. 7.55% 7.55% C.V. 0.84% 0.84% C.V. 6.64% 6.44%
Lab Result Lab Result Lab Result Lab Result
Lab Z-Score
Result
Lab Z-Score
Result
Lab Z-Score
Result
Lab Z-Score
Result
Titratable
Acidity 8.2 Sample A Sample B Alcohol Sample A Sample B
Specific
Gravity Sample A Sample B
Dissolved
CO2
Sample A Sample B
No of cases 147 147 No of cases 162 162 No of cases 131 131 No of cases 77 77
Minimum 4.98 5.00 Minimum 13.45 13.43 Minimum 0.9909 0.9909 Minimum 0.08 0.07
Maximum 5.73 5.81 Maximum 14.02 14.04 Maximum 0.9945 0.9940 Maximum 0.55 0.72
Range 0.75 0.81 Range 0.57 0.61 Range 0.0036 0.0031 Range 0.47 0.66
Median 5.32 5.32 Median 13.79 13.80 Median 0.9931 0.9931 Median 0.39 0.39
Mean 5.35 5.35 Mean 13.77 13.77 Mean 0.9930 0.9930 Mean 0.38 0.39
95% CI Upper 5.37 5.37 95% CI Upper 13.79 13.79 95% CI Upper 0.9931 0.9931 95% CI Upper 0.40 0.41
95% CI Lower 5.33 5.33 95% CI Lower 13.76 13.76 95% CI Lower 0.9929 0.9928 95% CI Lower 0.36 0.37
Standard Dev 0.13 0.13 Standard Dev 0.10 0.10 Standard Dev 0.0006 0.0006 Standard Dev 0.08 0.10
C.V. 2.43% 2.43% C.V. 0.73% 0.73% C.V. 0.06% 0.06% C.V. 21.05% 25.64%
Lab Result Lab Result Lab Result Lab Result
Lab Z-Score
Result
Lab Z-Score
Result
Lab Z-Score
Result
Lab Z-Score
Result
Version 1.0 (final)
IWAG Report Round 18-06 Page 3 of 45
Reducing
Sugar Sample A Sample B
Glucose &
Fructose
Sample A Sample B Volatile
Acidity Sample A Sample B Acetic Acid Sample A Sample B
No of cases 53 53 No of cases 127 127 No of cases 80 80 No of cases 81 81
Minimum 1.91 1.19 Minimum 0.69 0.55 Minimum 0.30 0.30 Minimum 0.33 0.34
Maximum 4.50 4.40 Maximum 2.30 2.22 Maximum 0.70 0.71 Maximum 0.62 0.62
Range 2.59 3.21 Range 1.61 1.67 Range 0.40 0.41 Range 0.29 0.28
Median 3.00 3.00 Median 1.27 1.28 Median 0.51 0.51 Median 0.47 0.48
Mean 3.05 3.05 Mean 1.30 1.30 Mean 0.51 0.51 Mean 0.47 0.47
95% CI Upper 3.20 3.20 95% CI Upper 1.34 1.35 95% CI Upper 0.52 0.53 95% CI Upper 0.48 0.48
95% CI Lower 2.89 2.89 95% CI Lower 1.25 1.26 95% CI Lower 0.50 0.50 95% CI Lower 0.46 0.46
Standard Dev 0.56 0.57 Standard Dev 0.25 0.24 Standard Dev 0.06 0.06 Standard Dev 0.05 0.05
C.V. 18.36% 18.69% C.V. 19.23% 18.46% C.V. 11.76% 11.76% C.V. 10.64% 10.64%
Lab Result Lab Result Lab Result Lab Result
Lab Z-Score
Result
Lab Z-Score
Result
Lab Z-Score
Result
Lab Z-Score
Result
Malic Acid Sample A Sample B Citric Acid Sample A Sample B Turbidity Sample A Sample B
No of cases 118 118 No of cases 20 20 No of cases 139 139
Minimum 0.00 0.00 Minimum 0.00 0.00 Minimum 0.03 0.04
Maximum 0.20 0.20 Maximum 0.20 0.20 Maximum 0.86 0.91
Range 0.20 0.20 Range 0.20 0.20 Range 0.83 0.87
Median 0.05 0.04 Median 0.02 0.02 Median 0.30 0.31
Mean 0.04 0.04 Mean 0.04 0.04 Mean 0.35 0.35
95% CI Upper 0.05 0.05 95% CI Upper 0.07 0.07 95% CI Upper 0.38 0.38
95% CI Lower 0.04 0.04 95% CI Lower 0.01 0.02 95% CI Lower 0.33 0.33
Standard Dev 0.03 0.03 Standard Dev 0.06 0.06 Standard Dev 0.15 0.15
C.V. 75.00% 75.00% C.V. 150.00% 150.00% C.V. 42.86% 42.86%
Lab Result Lab Result Lab Result
Lab Z-Score
Result
Lab Z-Score
Result
Lab Z-Score
Result
Version 1.0 (final)
IWAG Report Round 18-06 Page 4 of 45
Sugar Free
Extract Sample A Sample B Methanol Sample A Sample B Potassium Sample A Sample B Sodium Sample A Sample B
No of cases 23 23 No of cases 13 13 No of cases 20 20 No of cases 18 18
Minimum 23 23 Minimum 126 136 Minimum 737 734 Minimum 29 24
Maximum 30 29 Maximum 185 190 Maximum 1050 1043 Maximum 40 42
Range 7 6 Range 59 54 Range 313 309 Range 11 18
Median 26 26 Median 162 162 Median 836 848 Median 36 35
Mean 26 26 Mean 158 162 Mean 845 852 Mean 35 35
95% CI Upper 27 27 95% CI Upper 170 172 95% CI Upper 879 887 95% CI Upper 37 37
95% CI Lower 25 25 95% CI Lower 147 151 95% CI Lower 812 818 95% CI Lower 34 33
Standard Dev 2 2 Standard Dev 19 17 Standard Dev 71 74 Standard Dev 3 4
C.V. 7.69% 7.69% C.V. 12.03% 10.49% C.V. 8.40% 8.69% C.V. 8.57% 11.43%
Lab Result Lab Result Lab Result Lab Result
Lab Z-Score
Result
Lab Z-Score
Result
Lab Z-Score
Result
Lab Z-Score
Result
Calcium Sample A Sample B Copper Sample A Sample B Iron Sample A Sample B Manganese Sample A Sample B
No of cases 20 20 No of cases 27 27 No of cases 22 22 No of cases 18 18
Minimum 48 49 Minimum 0.01 0.00 Minimum 1.50 1.50 Minimum 1.74 1.73
Maximum 74 75 Maximum 0.25 0.26 Maximum 2.58 2.41 Maximum 2.40 2.40
Range 26 26 Range 0.24 0.26 Range 1.08 0.91 Range 0.66 0.67
Median 60 60 Median 0.13 0.12 Median 2.06 2.00 Median 2.21 2.23
Mean 59 60 Mean 0.13 0.12 Mean 2.04 2.02 Mean 2.18 2.18
95% CI Upper 62 63 95% CI Upper 0.15 0.14 95% CI Upper 2.15 2.12 95% CI Upper 2.28 2.27
95% CI Lower 56 57 95% CI Lower 0.11 0.10 95% CI Lower 1.93 1.92 95% CI Lower 2.09 2.09
Standard Dev 6 7 Standard Dev 0.05 0.05 Standard Dev 0.25 0.22 Standard Dev 0.19 0.18
C.V. 10.17% 11.67% C.V. 38.46% 41.67% C.V. 12.25% 10.89% C.V. 8.72% 8.26%
Lab Result Lab Result Lab Result Lab Result
Lab Z-Score
Result
Lab Z-Score
Result
Lab Z-Score
Result
Lab Z-Score
Result
Version 1.0 (final)
IWAG Report Round 18-06 Page 5 of 45
Free Sulphur Dioxide (mg/L)
Sample Replicate
A B
No of cases 158 158
Minimum 13.0 11.0
Maximum 26.0 26.0
Range 13.0 15.0
Median 19.0 19.0
Mean 19.3 19.3
95% CI Upper 19.7 19.6
95% CI Lower 18.9 18.9
Standard Dev 2.4 2.4
C.V. 12.44% 12.44%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of
Cases
Aspiration 131
Automated Colorimetric 14
Ripper, FTIR-MIR + Other 13
10 15 20 25 30
Sample A
10
15
20
25
30
Sa
mple
B
Version 1.0 (final)
IWAG Report Round 18-06 Page 6 of 45
Free Sulphur Dioxide Z-Scores
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
3 -0.6 -0.5 90 0.7 0.7 176 -0.7 -0.7 247 2.0 1.1 340 0.4 -0.3 455 1.1 1.1
5 0.7 0.7 94 -0.1 -0.1 177 -0.1 0.7 249 -1.4 -1.4 342 -0.1 0.0 459 2.0 -3.4
9 0.5 0.3 95 0.7 0.7 178 -0.1 0.0 250 -0.1 -0.1 346 0.7 1.1 473 -0.6 -0.9
10 1.1 1.1 96 1.1 0.7 181 -0.1 0.3 260 1.5 2.4 351 0.3 -0.1
14 0.7 0.3 98 2.0 0.7 182 1.1 1.1 261 -1.0 -1.4 356 -1.1 -1.0
19 -0.1 -0.1 99 -0.6 -0.1 183 0.3 -0.1 266 -2.6 -2.6 358 1.3 1.3
20 -1.8 -1.8 103 0.7 0.7 188 0.3 0.3 267 1.1 2.0 361 -0.1 -0.2
21 -2.6 -2.6 105 0.7 0.7 189 0.3 0.3 270 0.3 0.3 363 1.5 0.3
23 0.3 0.3 107 -0.6 -0.5 192 -0.6 -0.5 273 -0.1 -0.1 364 0.7 0.7
29 -0.6 -0.1 108 -0.1 -0.1 194 2.8 2.8 276 0.3 1.1 365 1.1 1.1
31 -0.6 0.7 114 1.1 0.7 198 -0.6 -0.9 278 -0.6 -0.5 366 -0.1 -0.1
32 1.1 1.1 116 -0.1 -0.4 199 0.7 0.7 284 1.1 -0.9 367 -0.7 -0.7
36 0.7 0.7 118 -0.1 -0.1 201 -0.6 -0.5 285 -1.4 -0.1 375 0.2 0.3
39 -1.4 -0.9 126 -1.4 -0.5 204 -2.2 -2.2 286 -0.1 -0.1 378 -0.1 -0.1
41 -0.9 -1.3 129 -0.6 -0.9 205 0.3 0.3 287 -0.6 -0.5 380 0.3 0.3
43 -0.1 -0.1 131 -0.1 -0.1 208 1.1 0.9 288 0.3 0.0 382 1.5 1.5
45 0.3 -0.1 132 -0.1 -0.1 210 -2.6 -2.6 289 0.6 0.0 385 -0.1 -0.5
49 1.1 1.1 135 -1.0 -0.5 212 -0.1 -0.1 293 -0.1 -0.1 386 2.0 2.0
51 -0.1 1.5 138 -0.1 -0.1 214 0.7 -0.1 295 -0.6 -1.4 388 -1.0 0.7
53 -0.1 0.3 141 -0.1 -0.1 215 1.3 1.3 297 1.5 1.5 391 -0.6 -0.1
55 -0.8 -0.2 142 0.7 0.7 216 1.1 1.1 302 -1.4 -1.4 393 0.3 0.7
57 -1.0 -0.9 144 -0.1 0.3 217 -0.6 -0.5 303 -1.4 -1.4 396 0.3 0.6
59 -0.6 -0.5 145 -0.6 -0.5 220 0.3 0.3 307 -0.6 -0.1 397 1.1 -0.5
61 -0.6 -0.5 152 0.6 0.0 225 2.0 2.0 308 -1.4 -1.4 398 0.7 -0.1
64 -0.6 -0.5 153 -0.1 0.7 226 0.3 0.3 315 -0.1 -0.1 399 0.5 0.3
66 0.3 0.7 155 -0.1 0.0 227 -1.0 -1.4 318 0.3 1.1 400 -2.2 -2.2
74 -1.4 -1.4 157 -0.6 -0.5 233 0.7 -0.1 321 -0.6 -0.9 402 -1.1 -1.0 Outliers
78 -1.0 -0.9 169 -2.6 -2.6 236 -1.4 -0.1 323 2.0 1.3 404 0.7 0.3 72 1.1 5.7
81 -0.7 0.0 171 -0.6 0.3 242 -0.6 0.7 327 1.1 1.1 405 -0.1 0.3 213 -0.5 10.7
87 1.1 1.5 172 0.7 0.7 244 -1.8 -1.8 332 -0.4 0.1 409 -0.6 -0.5 296 -0.1 12.8
88 1.1 1.1 173 -0.1 -0.1 245 -0.5 -0.7 334 0.7 0.7 417 0.6 1.0 395 -4.7 -5.0
Version 1.0 (final)
IWAG Report Round 18-06 Page 7 of 45
Total Sulphur Dioxide (mg/L)
Sample Replicate
A B
No of cases 163 163
Minimum 41 40
Maximum 66 66
Range 25 26
Median 53 54
Mean 53 53
95% CI Upper 54 54
95% CI Lower 52 53
Standard Dev 4 4
C.V. 7.55% 7.55%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of
Cases
Aspiration 135
Automated Colorimetric 14
Ripper, FTIR-MIR + Other 14
30 40 50 60 70
Sample A
30
40
50
60
70
Sa
mple
B
Version 1.0 (final)
IWAG Report Round 18-06 Page 8 of 45
Total Sulphur Dioxide Z-Scores
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B Stats ID
Sample
A
Sample
B
3 0.5 0.1 88 0.2 0.1 173 0.5 0.4 245 -0.2 0.2 323 0.0 -0.1 404 -0.5 -0.8
5 0.9 0.1 90 0.5 0.4 176 1.1 1.4 247 1.4 0.6 327 -2.7 -3.2 405 1.1 0.8
9 0.9 0.7 94 0.0 -0.1 177 -0.5 0.6 249 -0.2 -0.1 332 -1.4 -1.3 409 0.2 -0.3
10 0.5 0.4 95 0.2 0.1 178 0.3 0.2 250 -0.7 -0.1 334 -0.7 -0.1 417 -0.2 -0.3
14 1.4 0.6 96 0.5 0.1 181 0.2 0.1 260 1.8 2.3 340 -0.8 -1.2 455 0.0 -0.1
19 -0.7 -0.6 98 0.7 0.1 182 1.8 2.0 261 -1.4 -1.5 342 0.0 -0.1 456 -0.2 -0.3
20 -1.8 -1.7 99 -0.2 -1.3 183 -0.5 -0.8 266 -1.8 -1.7 346 0.5 0.4 459 -0.5 -0.8
21 -1.4 -1.3 103 1.9 2.1 188 -0.5 -0.3 267 0.7 0.1 350 2.1 2.0 466 2.5 2.6
23 0.9 0.8 105 -0.7 -0.8 189 0.2 0.1 270 1.1 1.3 351 -0.2 -0.6
29 0.5 0.6 107 -0.9 -0.6 192 0.9 1.3 273 0.0 -0.3 356 -0.4 -0.3
31 -0.2 0.1 108 -0.7 0.4 194 0.7 0.6 276 -1.6 -0.3 361 1.6 1.2
32 1.1 1.1 114 -0.2 -0.1 198 0.9 1.1 278 0.2 0.1 363 0.2 1.3
36 0.0 0.4 116 0.2 0.1 199 0.2 0.1 284 0.7 0.6 364 -1.1 -1.3
39 -1.1 -1.0 118 0.5 0.1 201 -2.1 -2.2 285 -0.5 -0.6 365 0.2 0.6
41 -0.7 -1.0 126 0.0 -0.1 204 -1.8 -1.7 286 0.9 0.8 366 0.2 -0.3
43 1.4 1.3 129 -0.9 -1.3 205 -0.9 -0.3 287 1.1 1.1 367 -2.2 -1.7
45 -0.2 -0.3 131 0.0 -0.3 208 0.7 0.4 288 -1.1 -0.3 375 -0.2 -0.1
49 0.0 -0.1 132 -0.5 0.1 212 -0.5 -0.6 289 0.7 0.6 378 0.2 0.1
51 0.0 0.8 135 -1.1 -1.5 214 0.2 0.1 293 -0.5 -0.6 380 -0.7 -0.8
53 1.1 0.8 138 -0.9 -1.3 215 0.3 0.6 295 -1.6 -1.7 382 0.2 0.4
55 -0.9 -0.1 141 -0.7 -0.8 216 -0.5 -0.1 297 1.4 1.3 385 3.0 2.3
57 -0.7 -0.6 142 0.5 0.2 217 -0.2 -0.6 302 -1.9 -2.0 386 3.0 3.0
59 -0.7 -0.3 144 0.2 0.8 218 1.6 1.5 303 -0.5 -0.8 388 -0.7 0.6
61 1.8 2.3 145 -0.5 -0.8 220 0.7 0.6 307 0.2 0.6 391 0.7 0.4
64 -0.7 -0.8 152 2.1 2.0 225 1.1 1.1 308 -0.5 -0.8 393 -0.5 -0.3
66 0.0 -0.1 153 -0.9 -0.6 226 0.2 0.1 309 0.0 0.1 396 -1.1 -0.7 Outliers
72 0.0 0.6 155 0.3 0.2 227 0.2 0.6 310 0.2 0.4 397 0.2 -1.0 210 -4.8 -4.3
74 -1.1 -0.8 157 -1.1 -1.3 233 0.0 0.1 311 0.5 0.5 398 0.0 -0.6 213 -8.0 -0.5
78 -0.9 -1.0 169 -1.6 -1.7 236 -1.8 -0.8 315 -0.7 -0.8 399 1.2 0.9 296 -8.5 -0.5
81 0.0 -0.1 171 0.5 0.6 242 -1.1 -1.3 318 1.1 0.8 400 -1.6 -2.0 395 -6.1 -6.9
87 0.0 0.1 172 1.1 1.5 244 0.5 0.8 321 -0.2 -0.1 402 -0.5 -0.6 473 5.8 5.8
Version 1.0 (final)
IWAG Report Round 18-06 Page 9 of 45
pH
Sample Replicate
A B
No of cases 158 158
Minimum 3.47 3.44
Maximum 3.67 3.68
Range 0.20 0.24
Median 3.56 3.56
Mean 3.56 3.56
95% CI Upper 3.57 3.56
95% CI Lower 3.56 3.55
Standard Dev 0.03 0.03
C.V. 0.84% 0.84%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of
Cases
pH Meter 143
FTIR-MIR + Other 15
3.4 3.5 3.6 3.7
Sample A
3.4
3.5
3.6
3.7
Sa
mp
le B
Version 1.0 (final)
IWAG Report Round 18-06 Page 10 of 45
pH Z-Scores
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
3 0.0 -0.3 90 0.3 0.3 177 -0.4 -0.9 247 -1.3 -0.3 334 -0.4 -0.3 417 0.9 0.6
5 0.3 0.6 94 -1.3 -1.2 178 0.0 0.0 249 -0.7 -0.6 340 -1.0 -1.7 455 0.0 -0.3
9 0.6 0.6 95 -0.4 -0.3 181 0.0 0.6 250 0.3 0.3 342 -0.4 -0.3 456 -1.0 -0.9
10 -1.0 -1.4 96 0.9 0.0 182 -1.3 -0.6 260 -2.0 -0.9 346 -0.4 0.0
14 0.0 0.0 98 0.6 0.6 183 -0.4 -0.3 261 -0.7 -0.6 351 1.3 1.5
19 0.0 0.3 99 0.0 -0.3 188 0.9 0.9 266 0.0 0.0 356 0.3 -0.6
20 0.0 0.0 103 -0.4 -0.3 189 0.0 0.0 267 -2.6 -2.3 358 0.9 0.3
21 0.6 0.6 105 -0.7 -0.6 192 -1.0 -0.9 270 1.9 1.8 361 0.0 -0.3
23 0.6 0.0 107 -1.0 -0.6 194 0.3 0.3 273 0.0 0.0 363 -0.7 -0.6
29 0.9 1.2 108 -1.0 -0.9 199 -0.4 -0.3 276 0.3 0.9 364 0.9 0.9
31 1.6 2.7 114 -2.0 -1.4 201 0.9 1.2 278 0.3 0.3 365 0.9 0.9
32 0.0 0.0 116 0.0 0.0 204 0.0 0.0 284 -1.0 -1.4 366 -0.7 -0.6
36 0.0 0.0 118 2.6 2.7 205 -0.4 0.0 285 0.3 0.3 367 0.0 0.6
39 -0.7 -1.2 126 -0.7 -0.9 208 0.3 0.0 286 0.3 0.6 375 -0.4 0.0
41 1.3 1.5 129 -0.7 -0.6 210 0.3 0.6 287 0.0 0.0 378 -0.4 0.3
43 0.6 0.6 131 0.6 0.6 212 0.6 0.6 288 -0.4 0.0 380 0.9 0.9
45 -0.4 -0.3 132 -0.4 -0.3 213 0.9 0.9 289 1.3 1.2 382 0.0 0.0
49 0.0 -0.6 135 0.3 0.3 214 0.0 0.3 293 -1.0 -0.9 386 -2.0 -1.7
51 0.6 0.3 138 0.0 0.0 215 -1.0 -1.2 295 0.0 0.0 388 -0.4 -0.9
53 -0.7 -0.3 141 -0.4 0.0 216 0.3 0.3 296 0.0 -0.6 391 0.3 0.0
55 -0.4 0.6 142 3.5 3.5 217 -0.4 0.0 297 3.5 3.3 393 -0.4 -0.3
57 0.3 0.6 144 0.0 0.3 218 0.1 0.0 302 -1.6 -1.4 395 -0.4 -0.3
59 -1.0 -0.6 145 0.3 -0.3 220 0.0 0.0 307 -0.4 -0.3 396 1.7 1.5 Outliers
61 0.6 0.6 152 -0.4 -0.9 225 -2.0 -1.2 308 -0.4 -0.3 397 0.0 0.3 72 -4.7 -4.3
64 -0.7 0.0 153 -0.7 -1.2 226 -0.7 -0.9 311 1.6 1.2 398 0.0 0.0 169 4.0 4.7
66 -1.0 -0.9 155 -0.7 -0.6 227 -0.7 -0.6 315 -0.1 -0.1 399 0.0 0.0 198 8.7 8.7
74 2.6 -3.5 157 1.6 1.5 233 0.0 0.0 318 -1.3 -0.6 400 -0.4 -0.6 303 -8.3 -7.7
78 -0.7 -0.3 171 0.3 0.6 236 0.0 -0.3 321 -0.4 0.0 402 3.2 3.3 310 -4.3 -4.7
81 -2.9 -3.2 172 1.3 1.2 242 1.6 1.5 323 0.6 0.9 404 -1.3 -1.2 385 0.7 11.7
87 0.0 0.0 173 0.6 0.6 244 1.6 0.3 327 1.6 1.5 405 0.3 0.3 403 -6.3 -6.7
88 -0.7 -1.2 176 0.3 0.3 245 -0.7 -0.9 332 -1.3 -1.2 409 -0.4 -1.7 473 -5.3 -5.3
Version 1.0 (final)
IWAG Report Round 18-06 Page 11 of 45
Titratable Acidity 7.0 (g/L)
Sample Replicate
A B
No of cases 36 36
Minimum 4.60 4.60
Maximum 5.90 5.90
Range 1.30 1.30
Median 4.83 4.83
Mean 4.97 4.97
95% CI Upper 5.08 5.08
95% CI Lower 4.86 4.87
Standard Dev 0.33 0.32
C.V. 6.64% 6.44%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of Cases
Autotitrator 24
FTIR-MIR + Manual
Titration + Other 12
4.5 5.0 5.5 6.0
Sample A
4.5
5.0
5.5
6.0
Sa
mple
B
Version 1.0 (final)
IWAG Report Round 18-06 Page 12 of 45
Titratable Acidity 7.0 Z-Scores
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
3 -0.5 -0.5 363 1.0 1.1
9 -0.4 -0.4 395 -0.5 -0.3
10 -0.4 -0.4 402 0.2 0.0
14 -0.5 -0.5 456 0.2 0.2
41 -0.5 -0.5 473 0.4 0.4
45 -1.1 -1.2
55 -0.2 -0.1
59 -0.6 -0.6
74 2.4 2.3
78 -0.2 -0.5
81 1.6 1.6
105 -0.7 -0.7
107 -0.4 -0.4
108 -0.8 -0.8
129 -0.7 -0.7
135 -0.5 -0.2
145 -0.6 -0.5
171 -0.7 -0.7
181 -0.5 -0.6
183 -0.5 -0.5
217 -0.5 -0.5
218 -0.5 -0.6
227 0.4 0.4
273 -0.4 -0.4
302 -0.3 0.1
308 -0.5 -0.5
310 0.1 0.1
327 2.8 2.9
340 -0.8 -0.9
358 2.2 1.9
361 2.1 2.3
Version 1.0 (final)
IWAG Report Round 18-06 Page 13 of 45
Titratable Acidity 8.2 (g/L)
Sample Replicate
A B
No of cases 147 147
Minimum 4.98 5.00
Maximum 5.73 5.81
Range 0.75 0.81
Median 5.32 5.32
Mean 5.35 5.35
95% CI Upper 5.37 5.37
95% CI Lower 5.33 5.33
Standard Dev 0.13 0.13
C.V. 2.43% 2.43%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of Cases
Autotitrator 115
FTIR-MIR 7
Manual Titration 25
4.5 5.0 5.5 6.0
Sample A
4.5
5.0
5.5
6.0
Sa
mp
le B
Version 1.0 (final)
IWAG Report Round 18-06 Page 14 of 45
Titratable Acidity 8.2 Z-Scores
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
3 -0.4 -0.4 94 0.4 0.4 181 -0.4 -0.4 261 0.4 0.4 365 1.5 -0.8
5 -0.6 -0.5 96 -0.3 -0.3 182 1.4 1.2 266 -1.2 -1.1 366 -0.6 -0.6
9 0.4 0.3 98 1.1 1.2 183 -0.2 -0.1 273 -0.1 -0.1 367 0.9 0.7
10 0.3 0.2 99 -1.2 -1.1 188 -0.1 -0.1 276 1.8 -0.4 375 0.8 0.7
14 -0.4 -0.4 103 -0.9 -0.8 189 -0.1 0.0 284 -0.9 -0.6 378 -1.3 -1.4
19 -0.2 0.1 105 -0.5 -0.5 192 -0.5 -0.8 285 0.2 1.3 380 0.1 0.4
20 1.1 1.2 107 0.1 0.2 194 -0.7 -0.7 286 -0.1 -0.1 382 -1.2 -1.2
21 -1.9 -1.1 108 -1.0 -0.8 198 1.4 0.4 287 -0.2 -0.1 386 2.5 3.3
23 -0.4 0.4 114 -0.4 -0.4 199 -0.4 -0.4 288 -0.2 -0.1 388 0.4 0.9
29 2.1 1.4 116 0.1 -0.2 201 0.4 1.2 289 0.1 -0.1 391 -0.3 -0.1
31 -0.1 0.4 118 2.1 2.6 205 -1.6 -0.8 293 -0.5 -0.4 393 0.4 0.4
32 -0.4 -0.4 126 -1.0 -0.8 208 0.2 0.2 295 -0.5 -0.9 395 0.1 0.4
36 -0.2 -0.1 129 -0.7 -0.8 210 -0.4 -1.1 296 -0.2 0.1 396 -2.8 -2.7
39 -0.8 -0.5 131 -0.9 -0.8 212 -0.2 -0.2 297 -1.1 -1.1 397 0.9 0.9
41 -0.2 -0.2 132 0.2 0.1 213 -0.9 -0.8 303 1.3 1.2 398 2.9 3.6
43 0.0 -0.4 135 0.4 0.4 214 -0.2 -0.2 307 -0.4 -0.4 399 -0.4 -0.6
45 -1.9 -1.9 138 -0.9 -0.9 216 -0.5 -0.5 308 -1.2 -0.4 400 1.1 0.4
49 -1.2 -1.2 141 -0.4 -0.4 217 -0.4 -0.4 309 0.1 0.0 404 -1.2 -1.1
51 -0.4 -0.5 142 2.7 1.9 218 -0.6 -0.7 315 1.3 0.8 405 1.9 1.9
53 0.4 -0.4 144 -0.4 -0.4 220 -0.2 0.0 318 1.9 1.9 409 1.9 1.9
55 0.2 0.3 152 1.0 1.8 225 -0.2 -0.1 321 0.0 -0.1 417 -2.2 -2.1
57 -0.8 -0.8 153 -0.4 -0.4 226 -0.4 -0.4 323 1.2 1.2 455 -0.5 -0.5
59 -0.5 -0.8 155 0.4 -0.4 227 1.9 1.9 332 -0.5 -0.5 473 -0.4 0.4
61 -0.7 -0.7 157 -0.2 -0.3 233 -0.4 -0.4 334 0.8 0.4
64 -0.4 0.4 169 0.3 -0.1 236 -1.5 -1.3 340 -0.4 -0.4 Outliers
66 -1.0 -1.1 171 -0.5 -0.4 242 2.1 2.2 342 -0.7 -0.8 95 12.2 12.2
72 -0.4 -0.4 172 -0.3 -0.1 244 1.6 1.9 346 -1.0 -1.0 204 8.1 5.0
78 0.4 0.4 173 -0.2 0.4 245 0.2 -0.4 350 2.7 2.7 215 3.5 4.0
87 -0.2 -0.4 176 -0.2 -0.1 249 1.1 1.2 351 1.9 1.9 247 4.1 4.0
88 0.8 0.7 177 -0.9 -0.8 250 0.7 0.3 356 0.4 0.2 267 4.2 4.2
90 -0.4 -1.9 178 0.4 0.4 260 -0.2 0.0 364 -0.4 -0.4 385 -1.2 4.2
Version 1.0 (final)
IWAG Report Round 18-06 Page 15 of 45
Alcohol (% v/v)
Sample Replicate
A B
No of cases 162 162
Minimum 13.45 13.43
Maximum 14.02 14.04
Range 0.57 0.61
Median 13.79 13.80
Mean 13.77 13.77
95% CI Upper 13.79 13.79
95% CI Lower 13.76 13.76
Standard Dev 0.10 0.10
C.V. 0.73% 0.73%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of Cases
Distillation 20
Ebuliometer + GC 7
FTIR-MIR 20
NIR 115
13.4 13.5 13.6 13.7 13.8 13.9 14.0 14.1
Sample A
13.4
13.5
13.6
13.7
13.8
13.9
14.0
14.1
Sa
mple
B
Version 1.0 (final)
IWAG Report Round 18-06 Page 16 of 45
Alcohol Z-Scores
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
3 -0.7 -0.7 90 0.8 0.7 178 0.3 0.3 247 0.7 -1.3 332 0.6 0.7 409 1.7 1.6
5 -0.2 -0.2 94 -0.7 -0.7 181 0.0 0.3 249 1.3 1.2 334 0.9 0.8 417 -0.7 -0.7
9 0.1 0.3 95 1.3 0.3 182 -0.7 0.3 250 -1.3 -1.2 340 0.0 0.1 432 -2.7 -1.6
10 -0.6 -0.7 96 -0.7 0.3 183 0.2 0.2 260 -1.7 -2.6 342 1.0 0.9 434 -2.0 -2.0
14 0.3 0.3 98 0.4 0.6 188 0.8 0.5 261 1.8 1.8 346 -0.7 -0.6 455 -0.7 -0.7
19 0.2 0.0 99 0.3 0.3 189 -0.5 -0.4 266 -0.3 -0.3 350 -1.7 -1.6 456 -1.7 -1.6
20 0.3 0.3 103 -0.3 -0.2 192 -0.9 -0.9 267 0.3 1.2 351 0.3 0.3 466 -2.6 -1.7
21 -0.5 -1.0 105 0.3 0.4 194 0.1 0.1 270 1.5 1.7 356 0.6 0.6
23 0.3 0.3 107 -1.2 -1.1 198 0.0 0.0 273 0.5 0.5 358 1.3 1.2
29 -0.1 0.0 108 0.2 0.3 199 1.4 1.3 276 0.2 0.3 361 -0.5 -0.6
31 -0.5 -1.4 114 1.3 1.2 201 -0.1 -0.1 278 0.0 0.0 363 -0.6 -1.5
32 0.3 -0.7 116 -0.3 -0.3 204 -0.1 -0.1 284 1.0 1.0 364 1.3 1.2
36 0.0 0.1 118 -0.6 -0.4 205 0.7 0.3 285 0.3 0.4 366 0.3 0.3
39 0.4 0.4 126 0.1 0.1 208 -1.1 -1.2 286 -0.8 -0.6 367 0.6 0.5
41 1.3 1.4 129 0.4 0.3 210 -0.5 -0.4 287 0.0 0.0 375 1.0 1.0
43 1.7 1.2 131 1.0 0.9 212 0.5 0.5 288 0.7 1.3 378 0.7 0.8
45 0.3 0.3 132 0.2 0.1 213 0.8 0.8 289 -0.6 -0.6 380 -2.7 -2.6
49 -0.3 -0.4 135 0.1 0.1 214 1.5 1.4 293 -1.7 -1.6 382 0.0 0.0
51 -0.3 -0.3 138 0.4 0.4 215 -0.7 0.3 295 0.6 0.7 385 1.3 1.2
53 0.3 0.3 141 0.3 0.3 216 -1.3 -1.2 296 -0.5 -0.5 386 0.3 0.3
55 0.0 -0.2 142 0.3 -0.7 217 1.0 0.9 302 -0.5 -1.3 388 0.3 0.1
57 -0.1 -0.1 144 -2.7 -2.6 218 0.0 0.1 303 0.3 0.3 391 0.5 0.6
59 0.3 0.5 145 -1.5 -1.5 220 1.0 0.7 307 0.8 0.8 393 0.7 0.8
61 0.5 0.4 152 -1.7 -1.6 225 0.0 -0.1 308 0.7 0.8 396 -0.9 -1.0
64 -0.4 -0.4 153 1.3 1.2 226 -0.2 -0.3 309 1.1 0.9 397 0.4 0.3
66 -0.2 -0.1 155 -0.7 -0.7 227 -1.3 -1.4 310 -2.7 -2.6 398 0.5 0.5
72 2.4 2.6 157 0.3 0.5 233 2.2 1.8 311 0.8 0.8 399 1.3 1.2 Outliers
78 0.3 0.3 169 1.2 1.1 236 1.2 1.1 315 0.6 0.7 400 0.2 0.0 297 -6.7 -6.7
81 -1.7 -2.6 171 -0.2 -0.5 242 -0.7 -0.7 318 0.3 -0.7 402 -0.2 -0.3 395 -5.3 1.8
87 0.6 0.6 173 -3.2 -3.3 244 0.0 0.4 321 -0.5 -0.5 404 -1.2 -1.2 403 -15.7 -14.7
88 -0.4 -0.3 177 0.7 0.7 245 -0.3 -0.3 327 2.3 2.5 405 0.3 0.3 473 -0.7 -4.7
Version 1.0 (final)
IWAG Report Round 18-06 Page 17 of 45
Specific Gravity
Sample Replicate
A B
No of cases 131 131
Minimum 0.9909 0.9909
Maximum 0.9945 0.9940
Range 0.0036 0.0031
Median 0.9931 0.9931
Mean 0.9930 0.9930
95% CI Upper 0.9931 0.9931
95% CI Lower 0.9929 0.9928
Standard Dev 0.0006 0.0006
C.V. 0.06% 0.06%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of Cases
Density Meter 104
FTIR-MIR 12
Hydrometry, Pycnometry,
+ Other 15
0.990 0.991 0.992 0.993 0.994 0.995
Sample A
0.990
0.991
0.992
0.993
0.994
0.995
Sa
mple
B
Version 1.0 (final)
IWAG Report Round 18-06 Page 18 of 45
Specific Gravity Z-Scores
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
3 0.1 0.1 98 0.2 0.2 199 1.0 1.2 295 0.1 0.1 402 0.2 0.3
5 1.7 1.7 105 0.2 0.2 201 0.3 0.3 302 0.6 0.8 403 -0.3 -0.1
6 0.4 0.4 107 -0.1 -0.1 204 0.2 0.2 303 -0.3 -0.2 404 1.7 1.7
9 0.2 0.2 108 0.3 0.3 205 -1.4 -1.9 307 0.1 0.1 405 0.2 0.2
10 0.4 0.4 114 -1.1 -1.1 208 0.1 0.1 308 2.5 0.9 409 1.0 1.0
14 0.2 0.2 116 0.7 0.9 210 0.2 0.2 309 0.2 0.2 456 -0.3 -0.1
19 -2.5 -2.5 118 -0.4 -0.4 212 0.2 0.2 310 0.3 0.3 459 0.5 0.6
20 0.2 0.3 126 0.5 0.6 214 -1.6 -1.5 311 0.2 0.2
21 0.3 0.3 129 0.2 0.2 217 0.5 0.6 315 1.0 1.0
23 -0.1 -0.1 131 0.2 0.2 218 0.3 0.2 332 0.2 0.2
31 0.4 0.4 132 -3.2 -3.2 225 0.1 0.1 334 -0.1 -0.1
32 -1.7 -1.7 135 -0.4 -0.2 227 0.3 0.3 340 1.0 1.2
36 0.1 0.1 138 0.2 0.4 233 -2.8 -2.7 342 -0.6 -0.6
39 0.2 0.2 141 0.4 0.6 236 -0.3 -0.2 346 -0.3 -0.2
41 0.5 0.6 142 0.2 0.2 242 0.1 0.6 350 0.2 0.3
43 0.4 0.4 152 0.9 0.9 245 0.5 0.6 351 0.2 0.2
45 0.1 0.1 153 0.4 0.1 249 0.5 0.6 356 0.5 0.4
49 0.7 0.4 157 0.9 0.9 250 0.5 0.4 361 0.1 1.7
51 0.9 0.9 169 -3.2 -3.2 260 -1.1 -1.2 365 -2.0 -2.0
53 0.2 0.2 171 0.4 0.4 261 0.5 0.6 366 0.4 0.4
55 -0.4 -0.6 172 0.2 0.2 266 0.2 0.2 367 0.3 0.3
57 0.5 0.4 177 0.2 0.2 267 0.9 0.7 375 -0.3 -0.2
59 0.4 0.1 178 -0.1 -0.1 270 -2.4 -2.5 382 0.1 0.1
64 0.2 0.4 181 -2.6 -2.6 273 -0.1 -0.1 386 1.2 1.2
66 0.2 0.2 182 -1.6 -1.7 276 -2.2 -2.5 388 2.2 1.5
78 0.2 0.2 183 0.1 0.1 278 -3.3 -3.3 391 0.1 0.1 Outliers
81 -0.3 -0.9 188 0.9 1.2 285 -0.3 -0.2 393 -0.4 -0.4 99 -4.5 -4.5
87 -0.3 -0.2 189 -0.1 -0.1 286 -0.4 -0.4 395 0.9 0.6 103 18.3 17.7
90 0.2 0.2 192 0.2 0.2 287 0.5 0.6 397 0.5 0.6 173 5.0 5.0
94 -0.4 -0.4 194 1.4 1.4 288 -0.1 0.1 398 -0.3 -0.4 220 4.3 4.3
96 1.2 1.2 198 -3.2 -3.2 293 -0.3 -0.2 400 0.5 0.5 473 3.5 4.5
Version 1.0 (final)
IWAG Report Round 18-06 Page 19 of 45
Dissolved Carbon Dioxide (g/L)
Sample Replicate
A B
No of cases 77 77
Minimum 0.08 0.07
Maximum 0.55 0.72
Range 0.47 0.66
Median 0.39 0.39
Mean 0.38 0.39
95% CI Upper 0.40 0.41
95% CI Lower 0.36 0.37
Standard Dev 0.08 0.10
C.V. 21.05% 25.64%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of Cases
Carbodoseur 30
Multiple Volume
Expansion 33
Thermal Conductivity
Sensor, Titration + Other 14
0.0 0.2 0.4 0.6 0.8
Sample A
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
Sa
mple
B
Version 1.0 (final)
IWAG Report Round 18-06 Page 20 of 45
Dissolved CO2 Z-Scores
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
3 -0.4 -0.5 178 -0.1 -0.2 327 2.1 1.5
9 0.3 0.2 189 0.0 -0.1 346 0.4 0.2
19 0.3 0.2 194 -0.1 -0.2 356 -0.7 -0.7
20 0.9 0.2 198 0.3 0.1 361 -0.4 -0.3
21 0.2 -0.1 199 0.4 0.1 365 1.5 1.1
31 0.2 0.8 205 -3.1 -0.2 367 0.3 0.0
32 -1.8 -1.6 208 0.5 0.3 378 0.0 -1.3
41 0.4 0.4 212 -1.6 -1.5 380 -2.4 -2.1
43 0.5 0.1 213 0.2 -0.2 382 1.3 0.9
49 2.0 1.4 214 -0.4 -0.3 388 -0.3 0.1
53 0.4 -0.1 216 -0.1 -1.4 395 -2.7 -2.4
55 0.2 0.3 220 0.4 0.2 397 -0.1 -0.2
57 -0.2 -0.1 225 -0.2 -0.2 402 0.4 0.1
59 0.2 -0.1 227 0.6 0.6 417 0.6 3.3
64 0.8 0.9 233 1.3 2.2 459 -0.7 -0.7
78 -3.6 -3.2 236 1.3 2.2
81 -1.3 -1.3 245 -0.1 -0.3
87 -1.9 -1.7 273 -0.1 -0.1
88 0.0 -0.1 276 1.3 2.7
94 0.2 -0.1 278 0.4 0.1
98 0.2 0.0 284 0.2 0.1
99 0.2 0.0 285 0.2 0.0
103 0.0 -0.2 286 0.6 0.5
105 0.3 0.1 287 0.3 0.1
108 -0.7 -1.0 288 -0.1 0.9
116 0.3 0.0 293 0.0 0.0
118 0.9 0.6 295 0.0 -0.1 Outliers
126 0.4 0.2 296 1.3 0.9 182 40.9 32.6
129 0.2 0.1 303 0.0 -0.2 183 -4.6 -3.8
131 -0.7 -0.6 315 0.4 0.2 201 44.5 35.7
135 -0.7 -0.3 318 -0.9 -0.9 386 -4.8 -3.9
Version 1.0 (final)
IWAG Report Round 18-06 Page 21 of 45
Reducing Sugars (g/L)
Sample Replicate
A B
No of cases 53 53
Minimum 1.91 1.19
Maximum 4.50 4.40
Range 2.59 3.21
Median 3.00 3.00
Mean 3.05 3.05
95% CI Upper 3.20 3.20
95% CI Lower 2.89 2.89
Standard Dev 0.56 0.57
C.V. 18.36% 18.69%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of Cases
Lane and Enyon 17
Reblein 25
Other 11
1 2 3 4 5
Sample A
1
2
3
4
5
Sa
mp
le B
Version 1.0 (final)
IWAG Report Round 18-06 Page 22 of 45
Reducing Sugars Z-Scores
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
3 -0.1 -0.1 212 0.5 0.6
9 -0.2 -0.3 213 -0.8 -0.4
14 2.1 1.7 216 1.3 1.5
19 1.3 0.8 227 2.1 2.0
29 0.8 -0.1 233 -0.1 0.3
36 -0.1 -0.1 261 2.6 2.4
39 -0.6 -0.6 270 -0.6 -0.8
45 -0.4 -0.3 278 1.9 1.9
55 -0.1 -0.4 285 0.8 0.4
78 -0.3 0.1 288 0.6 0.6
88 -1.5 -1.5 296 -0.1 -0.1
94 0.1 0.2 307 0.3 0.3
98 0.8 0.8 308 -0.4 -0.4
108 -0.1 0.1 311 -0.2 -0.1
118 -2.0 -3.3 327 1.0 1.2
129 -0.4 -1.0 361 1.0 0.9
131 -1.1 -1.2 363 -1.5 -1.3
135 -0.4 -0.1 391 0.3 0.1
138 -1.0 -1.3 395 -0.6 -0.8
145 -1.0 -1.0 402 -1.0 -0.8
152 -0.1 0.1 456 -0.1 0.0
153 -0.3 -0.6 473 1.5 1.3
157 0.5 0.4
177 -0.4 -0.4
178 -0.4 -0.4
181 0.6 0.6
183 0.3 0.4
188 -0.4 -0.6
194 -1.5 -1.5 Outliers
198 -1.7 0.3 276 -3.4 -3.5
205 -0.4 0.6 403 41.0 37.6
Version 1.0 (final)
IWAG Report Round 18-06 Page 23 of 45
Glucose & Fructose (g/L)
Sample Replicate
A B
No of cases 127 127
Minimum 0.69 0.55
Maximum 2.30 2.22
Range 1.61 1.67
Median 1.27 1.28
Mean 1.30 1.30
95% CI Upper 1.34 1.35
95% CI Lower 1.25 1.26
Standard Dev 0.25 0.24
C.V. 19.23% 18.46%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of Cases
Enzymatic 101
FTIR-MIR 13
HPLC + Other 13
0 1 2 3
Sample A
0
1
2
3
Sam
ple
B
Version 1.0 (final)
IWAG Report Round 18-06 Page 24 of 45
Glucose and Fructose Z-Scores
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
5 -0.1 -0.1 98 -1.7 -1.6 201 -0.3 -0.3 308 0.0 0.4 455 -0.3 -0.4
6 -0.8 -0.9 99 0.0 0.0 204 0.0 0.0 309 -0.3 -0.3 459 -0.8 -1.0
9 -0.6 -0.6 103 -0.5 -0.5 205 1.6 2.4 311 -0.2 -0.2 473 0.8 2.0
10 0.0 0.0 105 -0.3 -0.4 208 -0.5 -0.6 318 -0.1 -0.4
14 -0.3 -0.4 107 -1.9 -1.9 210 0.4 0.4 321 -0.1 -0.3
19 4.0 3.7 108 -0.3 -0.4 212 0.0 0.0 327 0.8 0.8
20 0.4 0.4 114 0.1 0.3 214 2.6 1.5 332 -0.4 -0.4
21 0.0 0.4 116 -0.2 -0.3 216 2.0 2.0 334 -2.0 -2.0
23 -0.4 -0.4 118 0.0 -0.2 217 -0.2 -0.3 340 -0.4 -0.3
31 0.1 0.1 126 0.3 0.1 218 -0.2 0.0 342 0.0 -0.2
32 -2.4 -3.1 129 -0.8 -0.8 220 -0.1 0.4 346 -0.3 -0.4
36 -0.1 -0.1 131 0.1 0.1 225 -0.2 -0.1 356 -0.2 -0.3
41 0.0 -0.1 132 0.4 0.3 226 2.0 2.3 358 1.2 1.2
43 -0.6 -0.8 135 -0.2 -0.3 236 -1.1 -1.4 361 3.3 3.8
45 -0.4 0.0 138 -0.1 -0.1 242 -0.4 0.6 366 0.1 0.0
49 -0.2 -0.1 141 -0.5 -0.5 245 -0.1 -0.2 378 -1.0 -0.7
51 -1.7 -1.5 142 2.0 2.0 247 -1.0 -0.6 380 0.0 -0.1
53 0.0 0.0 144 0.0 -0.1 261 2.4 2.7 382 -0.2 -0.1
57 -0.4 -0.4 153 1.1 1.0 266 0.4 0.4 385 0.6 0.6
59 -0.3 0.3 155 -0.2 0.1 267 -0.4 0.0 386 0.4 0.4
61 1.1 0.0 157 -0.6 -0.6 273 0.1 0.1 388 0.0 0.3
64 -0.3 -0.3 169 0.0 0.0 278 1.9 1.6 393 0.0 -0.1
66 -0.6 -0.5 171 -0.1 0.0 284 -0.9 -0.7 395 0.8 1.4
72 0.8 0.6 173 -1.1 -1.2 286 -0.2 -0.2 396 0.2 0.2
74 0.0 -0.1 181 0.0 -0.4 287 -1.1 -1.1 398 -0.1 -0.1
78 3.6 2.0 183 0.0 0.0 288 -0.4 -0.4 399 0.0 0.0
87 -0.1 -0.1 188 -1.0 -1.0 289 0.2 0.3 400 0.0 0.0
90 -0.4 -0.4 189 0.4 0.4 293 0.4 0.4 402 0.0 -0.7 Outliers
94 -0.8 -0.8 192 -0.1 0.0 295 -0.1 -0.1 404 0.0 -0.1 182 10.0 9.6
95 0.0 0.2 198 -0.6 -0.6 296 2.4 2.4 409 -1.0 -1.1 215 5.0 5.0
96 -0.4 0.0 199 -0.5 -0.6 303 -1.6 -1.6 417 -1.6 -1.2 227 5.0 4.9
Version 1.0 (final)
IWAG Report Round 18-06 Page 25 of 45
Volatile Acidity (g/L)
Sample Replicate
A B
No of cases 80 80
Minimum 0.30 0.30
Maximum 0.70 0.71
Range 0.40 0.41
Median 0.51 0.51
Mean 0.51 0.51
95% CI Upper 0.52 0.53
95% CI Lower 0.50 0.50
Standard Dev 0.06 0.06
C.V. 11.76% 11.76%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of Cases
Automated Steam
Distillation 14
Enzymatic 13
FTIR-MIR 20
Manual Steam Distillation 26
Other 7
0.3 0.4 0.5 0.6 0.7 0.8
Sample A
0.3
0.4
0.5
0.6
0.7
0.8
Sam
ple
B
Version 1.0 (final)
IWAG Report Round 18-06 Page 26 of 45
Volatile Acidity Z-Scores
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
3 1.6 1.4 210 0.3 0.3 346 -0.6 -0.5
9 0.5 0.5 213 -0.8 -0.7 351 -0.3 -0.4
19 -1.3 -1.2 215 0.3 0.8 358 1.8 1.3
20 0.0 0.0 216 1.1 1.0 361 0.0 -0.2
29 0.0 0.0 218 -0.1 -0.2 363 0.0 -0.4
32 -0.5 -0.5 220 -3.4 -3.5 364 -0.8 -0.8
36 0.8 0.8 227 -1.2 -1.2 366 -0.8 -0.7
39 0.6 0.6 233 -2.3 -2.2 378 -0.6 -0.7
43 -0.2 -0.2 244 -0.3 -0.2 380 -0.2 -0.2
55 -0.2 0.0 249 0.6 0.5 386 1.1 1.1
96 0.6 0.6 260 -0.3 0.6 388 -0.8 -1.2
98 1.1 1.1 261 1.1 1.0 391 0.0 0.1
107 0.8 0.6 266 0.0 0.0 398 1.4 1.4
114 0.0 0.1 267 0.0 0.1 400 0.0 0.0
118 -0.5 -0.5 270 0.6 0.6 402 0.1 0.2
129 0.8 0.6 273 -0.5 -0.5 403 0.5 2.1
131 0.2 0.0 276 -1.9 -1.8 405 -1.1 -1.3
141 0.4 0.4 278 -0.5 -0.5 473 -0.2 -0.2
142 3.1 3.2 285 -1.6 -1.0
145 1.6 1.0 287 -1.1 -1.2
152 0.6 0.5 288 0.3 0.5
153 -0.6 -0.5 295 -1.0 -1.0
169 -0.2 -0.2 296 0.5 0.3
177 1.1 1.1 297 0.3 0.3
178 0.3 0.3 303 -1.1 -1.0
183 -0.5 -0.5 307 0.6 0.3
188 -0.6 -0.7 309 -0.2 -0.2
189 -0.5 -0.5 318 0.2 0.1
194 3.1 3.1 321 -0.5 -0.4 Outliers
204 0.2 0.0 327 0.0 0.0 182 -4.8 -4.8
205 -0.5 -0.8 332 -0.8 -0.8 395 -3.7 -4.0
Version 1.0 (final)
IWAG Report Round 18-06 Page 27 of 45
Acetic Acid (g/L)
Sample Replicate
A B
No of cases 81 81
Minimum 0.33 0.34
Maximum 0.62 0.62
Range 0.29 0.28
Median 0.47 0.48
Mean 0.47 0.47
95% CI Upper 0.48 0.48
95% CI Lower 0.46 0.46
Standard Dev 0.05 0.05
C.V. 10.64% 10.64%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of Cases
Enzymatic 69
FTIR-MIR + Other 12
0.3 0.4 0.5 0.6 0.7
Sample A
0.3
0.4
0.5
0.6
0.7
Sam
ple
B
Version 1.0 (final)
IWAG Report Round 18-06 Page 28 of 45
Acetic Acid Z-Scores
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
5 -0.5 -0.8 129 -0.3 -0.1 295 -0.5 -0.5
9 -0.3 -0.1 132 -0.1 -0.1 308 -0.5 0.1
10 -0.1 0.1 135 -0.7 -0.8 311 -0.1 -0.4
14 0.2 0.6 138 -0.3 -0.3 334 -1.5 -1.4
21 0.4 0.3 144 -0.7 -0.8 340 -0.1 -0.3
23 -0.9 -1.2 155 -0.5 -0.5 342 -0.1 0.3
31 -0.3 -0.5 157 -0.3 0.6 346 -0.1 0.1
36 0.4 0.3 171 0.5 0.3 356 -0.3 -0.1
41 0.4 0.8 173 -1.7 -1.4 382 1.6 1.0
45 -1.1 -1.2 181 1.0 0.8 385 -0.3 -0.1
49 -0.7 -1.0 183 0.2 0.1 393 2.9 3.2
51 -0.1 0.3 192 -0.3 -0.3 395 -2.8 -2.9
53 -0.1 0.3 198 -0.7 -0.8 396 0.3 0.7
57 0.2 0.1 199 1.4 1.4 398 -1.5 -1.6
59 0.4 0.1 201 0.4 0.3 399 0.2 0.1
64 1.0 1.0 208 -0.3 -0.4 404 -0.1 -0.5
66 -0.1 0.1 212 0.2 0.1 417 -0.7 -0.5
78 1.2 1.2 214 -1.1 -1.8 455 0.8 0.3
87 0.2 0.3 217 -0.1 -0.1 459 -0.3 -0.3
90 1.0 0.8 225 -0.1 -0.3
94 -0.1 -0.1 226 0.2 0.8
95 -1.1 -1.4 236 0.6 0.6
96 -0.5 -0.3 242 -0.3 -0.1
99 2.0 2.1 245 -0.5 -0.5
103 0.2 0.1 247 0.6 0.3
105 -0.1 0.6 273 0.2 0.2
107 -3.0 -2.9 278 3.1 0.3
108 1.2 1.4 284 3.1 3.2
116 -0.5 -0.5 286 -1.1 -1.0
118 -0.1 0.6 289 -0.1 0.1 Outliers
126 -0.1 -0.1 293 1.0 1.7 74 -3.6 -3.6
Version 1.0 (final)
IWAG Report Round 18-06 Page 29 of 45
Malic Acid (g/L)
Sample Replicate
A B
No of cases 118 118
Minimum 0.00 0.00
Maximum 0.20 0.20
Range 0.20 0.20
Median 0.05 0.04
Mean 0.04 0.04
95% CI Upper 0.05 0.05
95% CI Lower 0.04 0.04
Standard Dev 0.03 0.03
C.V. 75.00% 75.00%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of Cases
Enzymatic 99
FTIR-MIR 10
Other 9
0.00 0.05 0.10 0.15 0.20 0.25
Sample A
0.00
0.05
0.10
0.15
0.20
0.25
Sa
mp
l e B
Version 1.0 (final)
IWAG Report Round 18-06 Page 30 of 45
Malic Acid Z-Scores
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
3 1.7 1.7 103 0.2 0.2 208 1.5 1.6 321 -0.6 -1.0
5 0.8 0.8 105 -1.2 -1.3 210 0.2 0.5 327 -1.2 -1.3
9 0.8 0.5 108 0.5 0.5 212 0.5 0.5 332 0.1 -0.1
10 0.8 0.8 114 0.2 -0.7 214 3.4 1.1 334 -1.2 -1.3
14 -1.2 -1.3 116 -0.6 -1.0 216 -0.8 -0.4 340 0.1 0.1
19 -1.2 -1.3 118 0.5 0.5 217 0.2 0.2 342 0.8 0.8
20 -0.1 -0.1 126 -0.1 0.2 220 1.7 1.7 346 0.2 1.4
21 0.4 0.5 129 -0.4 -0.7 225 -0.4 -0.4 356 0.3 0.4
23 0.5 1.4 131 0.8 0.8 226 1.7 1.7 358 -1.2 -1.3
29 1.4 1.4 132 -1.2 -1.3 233 -1.2 -1.3 361 -1.2 -1.0
31 0.8 0.8 135 0.2 0.2 236 -1.2 -1.3 366 0.8 0.2
32 -1.2 -0.7 138 0.2 0.2 245 -0.4 -0.4 378 0.2 -0.1
36 0.5 0.5 141 0.2 0.2 247 -0.9 -1.0 380 0.5 0.5
41 0.8 1.1 142 0.2 -1.3 261 -0.9 0.2 382 -0.4 -0.4
43 -1.2 -1.3 153 -0.6 -0.1 266 0.5 0.5 386 -0.6 -0.7
45 0.8 1.1 155 1.4 1.1 267 -1.2 -1.3 393 -0.9 -1.0
49 0.5 0.2 157 0.2 0.2 273 -0.2 -0.3 395 4.6 4.7
51 -1.2 -1.3 171 -0.9 -0.8 276 -1.2 -1.2 396 -0.3 -0.3
53 0.8 0.8 173 -0.9 -1.3 278 0.8 0.8 398 0.2 0.2
57 -1.2 -1.3 178 -1.2 -1.3 284 -0.9 1.7 399 0.2 -0.1
59 -0.4 -0.4 181 -0.1 -0.1 286 -1.2 -1.3 400 0.5 0.5
61 -0.1 0.2 182 -1.2 -1.3 287 0.5 0.8 404 0.8 0.8
64 0.2 0.2 183 -0.9 -1.0 288 -0.4 -0.1 409 -0.6 -1.0
66 -1.2 -1.3 188 -0.9 -1.0 289 1.4 1.1 455 -1.2 -1.3
74 1.1 1.1 189 0.7 0.8 293 0.5 0.5 459 -0.4 -0.4
87 0.8 -0.1 192 1.4 1.4 295 -0.1 -0.1
90 0.8 0.8 198 -0.1 -0.4 296 -0.9 -1.0 Outliers
94 -1.2 -1.3 199 -0.6 -0.7 303 0.2 0.5 78 7.7 7.7
96 -0.9 -0.4 201 -0.9 -0.1 308 0.2 0.2 107 10.0 10.7
98 0.2 -0.1 204 0.5 0.2 311 0.0 0.1 363 12.0 8.7
99 0.5 0.5 205 -1.2 -1.3 318 1.4 1.7 473 45.3 42.0
Version 1.0 (final)
IWAG Report Round 18-06 Page 31 of 45
Citric Acid (g/L)
As the results submitted for ‘Citric Acid’ by members could not be represented by a normal distribution
curve, and also because of the large amount of variation in results, the Youden plot and Z-scores were
not generated. Basic statistics to the right have been included for information purposes only.
Sample Replicate
A B
No of cases 20 20
Minimum 0.00 0.00
Maximum 0.20 0.20
Range 0.20 0.20
Median 0.02 0.02
Mean 0.04 0.04
95% CI Upper 0.07 0.07
95% CI Lower 0.01 0.02
Standard Dev 0.06 0.06
C.V. 150.00% 150.00%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of Cases
Enzymatic 14
HPLC + Other 6
Version 1.0 (final)
IWAG Report Round 18-06 Page 32 of 45
Turbidity (NTU)
Sample Replicate
A B
No of cases 139 139
Minimum 0.03 0.04
Maximum 0.86 0.91
Range 0.83 0.87
Median 0.30 0.31
Mean 0.35 0.35
95% CI Upper 0.38 0.38
95% CI Lower 0.33 0.33
Standard Dev 0.15 0.15
C.V. 42.86% 42.86%
Lab Result
Lab Z-Score Result
Other Result
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Sample A
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Sam
ple
B
Version 1.0 (final)
IWAG Report Round 18-06 Page 33 of 45
Turbidity Z-Scores
Stats
ID
Sample
A
Sample
B Stats ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
3 3.4 3.8 95 -0.2 -0.1 181 0.1 -0.3 267 0.7 0.4 380 -0.2 -0.2
5 -0.4 -0.6 96 -0.4 0.0 182 -0.6 -0.6 270 0.0 -0.3 382 0.3 0.6
9 -1.1 -1.1 98 -0.6 -0.7 183 -1.0 -0.9 273 -1.2 -1.3 385 0.4 0.3
10 0.4 0.3 99 -1.0 -0.6 188 0.0 0.3 276 0.4 0.3 386 0.7 0.8
14 0.8 0.8 103 -0.5 -0.8 189 0.1 0.3 278 -0.6 -1.0 388 -0.4 -0.5
19 -0.4 -0.9 105 -0.6 -0.9 192 -0.6 -0.5 284 -0.3 -0.9 391 -0.6 -0.8
20 -0.4 0.3 107 -0.4 -0.8 198 -0.7 -0.7 285 0.4 1.3 393 -1.0 -1.0
21 -1.0 -1.0 108 0.5 1.3 199 -0.1 0.0 286 0.5 0.5 396 -0.8 -0.7
23 -0.7 -0.6 114 -0.5 -0.8 201 -0.9 -1.1 287 1.7 1.7 398 0.2 0.3
29 -0.8 -0.8 116 -0.4 -0.5 204 0.3 -0.3 288 0.6 2.2 399 -0.3 -0.3
31 0.9 1.7 118 2.4 1.8 205 -0.2 -0.1 289 0.8 0.5 400 -1.7 -1.7
32 1.0 1.2 126 -0.4 -0.2 208 1.2 1.0 293 1.4 0.0 404 -0.1 -0.1
36 -0.6 -0.3 129 -0.6 -0.5 210 -1.0 -1.0 295 -0.7 -0.7 409 -0.8 -0.6
39 -0.7 -0.3 131 -0.2 -0.2 212 -0.5 -0.6 296 1.5 1.6 455 -1.9 -1.8
41 0.0 0.1 132 -0.8 -0.8 213 0.6 0.5 303 -0.8 -0.8 459 2.2 2.3
43 0.2 0.1 135 0.3 -0.3 214 -1.0 -0.9 308 -0.6 -0.5
45 -0.4 -0.3 138 -0.9 -0.9 216 -2.2 -2.1 315 -0.7 -0.9
49 -0.5 -0.5 141 -0.2 -0.3 217 0.8 0.8 318 0.5 1.1
51 -1.0 -1.0 142 2.6 1.7 225 -0.5 -0.5 327 -1.0 -1.0
53 -0.6 -0.3 144 0.4 0.1 227 -0.3 -0.5 334 0.5 0.4
55 0.3 0.3 152 -0.4 -0.2 233 2.8 2.3 340 -0.6 -0.5
57 -0.4 -0.3 153 -0.3 -0.1 236 -0.8 -0.4 342 -0.9 -0.9
59 -0.5 -0.8 155 2.3 2.4 242 1.9 0.3 346 -0.8 -0.8
61 2.8 2.0 157 -0.5 -0.4 244 1.0 1.0 351 0.8 0.8
64 -0.7 -0.7 169 -0.2 -0.8 245 -0.5 -0.7 356 0.7 0.3
66 -0.9 -0.7 171 1.4 2.0 247 0.7 0.7 361 -1.8 -0.3
78 -0.6 -0.7 172 1.8 1.8 249 0.8 0.5 364 1.0 1.0
81 1.4 1.3 173 1.0 2.1 250 0.3 0.4 366 -0.9 -0.9 Outliers
87 -0.7 -0.7 176 1.5 1.4 260 -0.3 -0.7 367 -1.0 -1.0 194 4.7 4.7
88 1.2 1.6 177 -0.4 -0.1 261 -0.7 -0.7 375 0.2 0.3 365 4.2 0.9
94 -0.6 -0.5 178 -0.8 -0.7 266 1.6 1.7 378 0.3 0.7 417 10.2 10.9
Version 1.0 (final)
IWAG Report Round 18-06 Page 34 of 45
Sugar Free Extract (g/L)
Sample Replicate
A B
No of cases 23 23
Minimum 23 23
Maximum 30 29
Range 7 6
Median 26 26
Mean 26 26
95% CI Upper 27 27
95% CI Lower 25 25
Standard Dev 2 2
C.V. 7.69% 7.69%
Lab Result
Lab Z-Score Result
Other Result
23 24 25 26 27 28 29 30 31
Sample A
23
24
25
26
27
28
29
30
31
Sa
mp
le B
Version 1.0 (final)
IWAG Report Round 18-06 Page 35 of 45
Sugar Free Extract
Stats
ID
Sample
A
Sample
B Stats ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
9 -0.9 -1.0
14 -0.9 -0.8
20 -1.1 -0.8
21 0.4 0.3
39 -0.2 -0.3
45 -0.2 -0.2
78 1.1 1.2
108 -0.6 -0.7
129 -0.1 0.0
177 -0.1 -0.2
181 -0.8 -0.7
183 -0.7 -0.8
201 1.4 1.5
204 -0.7 -0.8
217 1.1 1.2
266 -0.7 -0.8
308 2.2 1.2
395 0.2 1.2
398 1.0 1.1
400 -0.5 -0.5
402 -0.2 -0.2
404 1.8 2.0
473 -1.6 -1.8
Version 1.0 (final)
IWAG Report Round 18-06 Page 36 of 45
Methanol (mg/L)
Sample Replicate
A B
No of cases 13 13
Minimum 126 136
Maximum 185 190
Range 59 54
Median 162 162
Mean 158 162
95% CI Upper 170 172
95% CI Lower 147 151
Standard Dev 19 17
C.V. 12.03% 10.49%
Lab Result
Lab Z-Score Result
Other Result
120 140 160 180 200
Sample A
130
140
150
160
170
180
190
200
Sa
mp
le B
Version 1.0 (final)
IWAG Report Round 18-06 Page 37 of 45
Methanol
Stats
ID
Sample
A
Sample
B Stats ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
14 0.2 -0.2
20 0.3 0.4
21 0.0 -0.3
145 1.4 1.6
181 -1.7 0.0
218 0.7 0.7
311 0.9 0.9
350 1.1 0.5
402 0.9 1.2
405 -1.2 -1.3
432 -1.1 -1.5
466 -0.7 -1.1
473 -0.8 -0.9
Outliers
395 -4.2 -4.9
Version 1.0 (final)
IWAG Report Round 18-06 Page 38 of 45
Potassium (mg/L)
Sample Replicate
A B
No of cases 20 20
Minimum 737 734
Maximum 1050 1043
Range 313 309
Median 836 848
Mean 845 852
95% CI Upper 879 887
95% CI Lower 812 818
Standard Dev 71 74
C.V. 8.40% 8.69%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of Cases
Flame AAS 5
8ICP 8
Flame Photometry + Other 7
700 800 900 1000 1100
Sample A
700
800
900
1000
1100
Sam
pl e
B
Version 1.0 (final)
IWAG Report Round 18-06 Page 39 of 45
Sodium (mg/L)
Sample Replicate
A B
No of cases 18 18
Minimum 29 24
Maximum 40 42
Range 11 18
Median 36 35
Mean 35 35
95% CI Upper 37 37
95% CI Lower 34 33
Standard Dev 3 4
C.V. 8.57% 11.43%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of Cases
Flame AAS, Flame
Photometry + Other 9
ICP 9
20 25 30 35 40 45
Sample A
20
25
30
35
40
45
Sa
mp
le B
Version 1.0 (final)
IWAG Report Round 18-06 Page 40 of 45
Calcium (mg/L)
Sample Replicate
A B
No of cases 20 20
Minimum 48 49
Maximum 74 75
Range 26 26
Median 60 60
Mean 59 60
95% CI Upper 62 63
95% CI Lower 56 57
Standard Dev 6 7
C.V. 10.17% 11.67%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of Cases
Flame AAS 8
ICP 9
Other 3
40 50 60 70 80
Sample A
40
50
60
70
80
Sam
ple
B
Version 1.0 (final)
IWAG Report Round 18-06 Page 41 of 45
Copper (mg/L)
Sample Replicate
A B
No of cases 27 27
Minimum 0.01 0.00
Maximum 0.25 0.26
Range 0.24 0.26
Median 0.13 0.12
Mean 0.13 0.12
95% CI Upper 0.15 0.14
95% CI Lower 0.11 0.10
Standard Dev 0.05 0.05
C.V. 38.46% 41.67%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of Cases
Flame AAS 13
ICP 10
Other 4
0.0 0.1 0.2 0.3
Sample A
0.0
0.1
0.2
0.3
Sa
mp
le B
Version 1.0 (final)
IWAG Report Round 18-06 Page 42 of 45
Iron (mg/L)
Sample Replicate
A B
No of cases 22 22
Minimum 1.50 1.50
Maximum 2.58 2.41
Range 1.08 0.91
Median 2.06 2.00
Mean 2.04 2.02
95% CI Upper 2.15 2.12
95% CI Lower 1.93 1.92
Standard Dev 0.25 0.22
C.V. 12.25% 10.89%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of Cases
Flame AAS 11
ICP + Other 11
1.0 1.5 2.0 2.5 3.0
Sample A
1.0
1.5
2.0
2.5
3.0
Sam
ple
B
Version 1.0 (final)
IWAG Report Round 18-06 Page 43 of 45
Manganese (mg/L)
Sample Replicate
A B
No of cases 18 18
Minimum 1.74 1.73
Maximum 2.40 2.40
Range 0.66 0.67
Median 2.21 2.23
Mean 2.18 2.18
95% CI Upper 2.28 2.27
95% CI Lower 2.09 2.09
Standard Dev 0.19 0.18
C.V. 8.72% 8.26%
Lab Result
Lab Z-Score Result
Other Result
Method Breakdown
Method Number of Cases
Flame AAS + Other 9
ICP 9
1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 2.5
Sample A
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
Sa
mp
le B
Version 1.0 (final)
IWAG Report Round 18-06 Page 44 of 45
Metals Z-Scores
Potassium
Z-Scores
Sodium
Z-Scores
Calcium
Z-Scores
Copper
Z-Scores
Iron
Z-Scores
Manganese
Z-Scores
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
Stats
ID
Sample
A
Sample
B
9 0.1 -0.1 9 -0.7 -0.5 9 0.0 -0.1 9 -0.3 -0.3 9 -0.6 -0.6 9 -0.3 -0.3
14 0.5 0.2 14 -0.1 0.0 14 0.3 0.0 14 0.3 0.3 14 0.4 0.5 14 -0.2 -0.2
20 -0.6 0.0 20 -0.7 -0.7 20 0.1 0.0 20 0.1 0.1 20 0.2 0.4 21 0.6 0.6
21 -0.9 -0.7 21 -0.4 0.0 21 -0.6 -0.6 21 -0.1 -0.1 21 -0.1 0.0 36 -0.6 -0.6
36 -0.3 -0.4 36 0.6 0.3 36 -0.5 -0.6 36 0.1 0.1 36 -0.2 -0.1 39 1.1 1.2
59 -1.1 -1.6 39 -2.0 -1.4 39 -0.9 -0.8 39 0.7 0.7 39 -2.2 -2.3 45 1.1 1.2
90 -1.0 -1.0 57 0.3 0.3 57 0.0 -0.2 45 -0.1 -0.1 45 1.4 1.7 59 -1.5 -1.7
105 -0.5 -0.6 59 0.2 0.0 59 -0.9 -0.9 51 -0.9 -0.8 57 0.6 0.4 66 0.6 0.7
108 -0.1 -0.1 66 1.6 1.5 66 0.1 0.0 57 -0.9 -0.8 59 -1.5 -1.5 90 0.6 0.7
126 -0.8 -1.0 90 0.3 0.3 90 -0.7 -0.8 59 2.4 2.6 66 -0.2 -0.1 105 0.3 0.4
181 -0.2 -0.6 105 -0.4 -0.4 105 0.1 0.6 66 0.7 0.9 90 -0.6 -0.5 108 1.1 0.7
204 -0.6 0.0 108 1.3 0.3 108 0.3 0.3 90 -0.7 -0.4 105 0.4 0.5 181 -1.1 -1.0
210 0.8 1.3 181 -2.0 -2.6 126 2.1 1.6 105 0.1 -0.1 108 2.2 1.2 218 1.1 0.9
218 1.1 0.8 218 0.1 0.0 181 -1.8 -1.7 108 0.3 -0.8 181 -0.8 -0.8 311 0.6 0.7
266 0.8 0.6 311 0.9 0.7 218 0.6 0.3 129 -0.1 -0.1 188 0.8 1.7 395 -0.2 -0.2
311 0.4 0.4 395 1.1 1.1 311 0.1 0.0 181 -0.1 -0.1 218 0.6 0.6 402 -1.0 -0.7
395 2.9 2.6 402 -0.7 -0.4 356 1.0 2.2 188 -0.1 0.2 278 0.6 0.8 403 -2.4 -2.5
400 0.8 1.3 473 0.6 1.7 395 2.4 2.1 208 -2.3 -2.1 311 0.2 -0.1 473 0.0 0.1
402 -1.5 -1.3 402 -0.9 -0.8 218 0.2 0.1 395 -1.2 -1.3 473 0.6 0.3 473 -0.9 -0.6 278 -2.3 -2.3 402 -1.0 -0.7
311 -0.1 -0.1 403 1.2 0.7 395 1.1 1.2 473 -0.3 -0.4
402 -0.1 -0.1
403 0.1 -0.1
405 0.0 0.1
466 2.2 2.0 473 0.1 -0.1
Outliers Outliers 208 -4.8 -4.5 466 3.5 4.0
Version 1.0 (final)
IWAG Report Round 18-06 Page 45 of 45
END OF REPORT