Laboratory Equipment
The figure was adopted from http://vip.busytrade.com/huaou (Dec 2006)
volumetric cylinders
watch glasses
beakers
The figures were adopted from z http://vip.busytrade.com/huaou (Dec 2006)
volumetric flasks
The figures were adopted from http://vip.busytrade.com/huaou and http://www.silcom.com/~adbrown/tutor/images/Vol-flask.gif (Dec 2006)
measuring of a precise volume
„meniscus“= a concave
upper surface that forms on a
liquid in a tube as a result of
surface tension
filling the volumetric flask
glass pipettes
filling the pipette using the pipette pump
pipette pump
insertion of the pipette into the pipette pump: carefully, but tightly
meassuring of a precise volume of 5
mL
4,49 mL 4,85
mL
5,0 mL
The figures are from http://www.uwplatt.edu/chemep/chem/chemscape/labdocs/catofp/measurea/volume/pipet/page.htm (Dec 2006)
measuring out a precise volume by the doser
dosertest tubes holder
doser
storage bottle
dosing plunger
wheel for volume
adjustment
titrimetric flask
burette
„titration“
burette
burette filler
graduated tube
storage bottle
dosing stopcock
filling the burette
using the burette
automatic pipette
plastic tip pipetting button
emptying filling
The figure was adopted from the CD-ROM: Encyklopedie laboratorní medicíny pro klinickou praxi 5. Kolektiv autorů, ed. A. Jabor,M. Zámečník, SEKK s r.o., Pardubice, Katedra klinické biochemie IPVZ Praha, 2005, hypertext.
ISBN 80-238-9775-6
the pipette can be used solely with a plastic tip
automatic pipette for the volume range: 10 – 100 l
yellow tip is destined for „yellow pipette“
automatic pipette for the volume range: 10 – 100 l
yellow tip is destined for „yellow pipette“
automatic pipette for the volume range: 100 – 1000 l
blue tip is destined for „blue pipette“
automatic pipette for the volume range: 100 – 1000 l
blue tip is destined for „blue pipette“
volume adjustment of the automatic pipette
Never adjust volume out ofthe allowed range!
turn slowly
stendby 1st position 2nd position
holding the pipette
filling emptying
Pipetting step by step
1st stendby 1st 2nd
The figure is from: Encyklopedie laboratorní medicíny pro klinickou praxi 5. Kolektiv autorů, ed. A. Jabor, M. Zámečník, SEKK s r.o., Pardubice, Katedra klinické biochemie IPVZ Praha, 2005, hypertext. ISBN 80-238-9775-6
Removing of solution drops from the tip surface
the drops can be removed only in a direction from up to down
stendby position 1st position
(= filling the pipette)
emptying the pipette (2nd position)
tip ejector button
spectrophotometer
pH meter
with an electrode immersed into buffer solution
chromatographic chamber
with a thin layer inside (TLC chromatography)
fume cupboar
d
chromatographic chambers
water bath (thermostat)
equipment for gel electrophoresis
power suply (direct current)
electrophoresis chamber
applicator
containers for staining and destaining gel