11 ppb 38 ppb 13 ppb 44 ppb 35 ppb - iacweb.ethz.ch · 2004. 11. 30. · 11 ppb 38 ppb 38 ppb 13...

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11 ppb

38 ppb

38 ppb

13 ppb

44 ppb

35 ppb

7 ppm

51 ppb

61 ppb

Rotations-Vibrationsübergänge

4.4 4.5 4.6 4.7 4.8 4.9 5.0

1E-21

1E-20

1E-19

σ /c

m2

λ / µm

CO Vibration-Rotation

1E-19

4.4 4.5 4.6 4.7 4.8 4.9 5.01E-23

1E-22

1E-21

1E-20

σ /c

m2

λ / µm

CO2 und H2O

CO-Messgerät (NDIR, Gas-Filter-Correlation)

2 6 10 14 18 22

20 16 12 8 4

Multipass cell

182 passes, Loptisch = 100m, L = 55cm

Hg-Lampe

200 225 250 275 300 325 350

0

5000

10000

Inte

nsity

/ a.

u.

λ / nm

O3-Messgerät

Franck-Condon

Molekülorbitale

SO2 Vibrationen

SO2-Absorption

S.M. Ahmed and V. Kumar, J. Quant. Spectrosc. Radiat. Transfer, 47, 359 (1992)

SO2-Gerät

PM10-Messgerät

TEOM

Vergleich PM10 NZ Wilton