laboratory equipment the figure was adopted from (dec 2006)
TRANSCRIPT
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Laboratory Equipment
The figure was adopted from http://vip.busytrade.com/huaou (Dec 2006)
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volumetric cylinders
watch glasses
beakers
The figures were adopted from z http://vip.busytrade.com/huaou (Dec 2006)
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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)
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measuring of a precise volume
„meniscus“= a concave
upper surface that forms on a
liquid in a tube as a result of
surface tension
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filling the volumetric flask
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glass pipettes
filling the pipette using the pipette pump
pipette pump
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insertion of the pipette into the pipette pump: carefully, but tightly
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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)
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measuring out a precise volume by the doser
dosertest tubes holder
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doser
storage bottle
dosing plunger
wheel for volume
adjustment
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titrimetric flask
burette
„titration“
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burette
burette filler
graduated tube
storage bottle
dosing stopcock
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filling the burette
using the burette
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automatic pipette
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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
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the pipette can be used solely with a plastic tip
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automatic pipette for the volume range: 10 – 100 l
yellow tip is destined for „yellow pipette“
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automatic pipette for the volume range: 10 – 100 l
yellow tip is destined for „yellow pipette“
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automatic pipette for the volume range: 100 – 1000 l
blue tip is destined for „blue pipette“
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automatic pipette for the volume range: 100 – 1000 l
blue tip is destined for „blue pipette“
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volume adjustment of the automatic pipette
Never adjust volume out ofthe allowed range!
turn slowly
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stendby 1st position 2nd position
holding the pipette
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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
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Removing of solution drops from the tip surface
the drops can be removed only in a direction from up to down
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stendby position 1st position
(= filling the pipette)
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emptying the pipette (2nd position)
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tip ejector button
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spectrophotometer
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pH meter
with an electrode immersed into buffer solution
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chromatographic chamber
with a thin layer inside (TLC chromatography)
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fume cupboar
d
chromatographic chambers
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water bath (thermostat)
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equipment for gel electrophoresis
power suply (direct current)
electrophoresis chamber
applicator
containers for staining and destaining gel