Gas-lessEducationalGC
This chromatogram was
obtained by a direct injection of 1µL
1000ppmMethanol / Acetone mix into a Gas-
less
TM
Educational GC programmed to perform a
10 minute isothermal run at 130
o
C. Students can
clearly see the Methanol and Acetone component
peaks, as well as a negative water peak at the
beginningof the run. Samplestandardsareavailable
for academic use, but similar results may be
obtained by running a finger nail polish
remover sample--cheap and
readily available!
TheCCDdetector responds toallhydrocarbonsatadetection limitof100ppm. Hayesep-Dpacked
columns areuseful for analyzinggases and lowmolecular weight compounds suchas alcohols,
aldehydes, and ketones. Inexpensive samples are available at grocery, drug, and
conveniencestores
try rubbingalcohol, fingernailpolish remover,orgasoline.
Evenstudentbreathalcohol levelcanbemeasured,sincealcohol isabodily
by-productof the livers’metabolizationofsugars. With theoptional fast
cool-down fans, there’s littlewaitbetween temperatureprogrammed
runs. TheGas-less
TM
EducationalGC’sCCDdetectorhasabuilt-in
spare filament, and an entire spareCCD detector is shippedwith
the instrument in the maintenance kit. The CCD filaments and
detectors are hand-changeable
quick and
easy like everything else about this teaching
tool. Thecompact 310GCchassiswon’t crampyour style, andshould
youwish toupgrade theunit in the future, it canbe retrofittedwithup to
four detectors, andwehave14 to choose from. Sodon’t just tell your
studentsabout gaschromatography,SHOW themwith theGas-less
TM
Educational GC. SRI makes educational gas chromatography
affordable,portable,andsimple.
0310-1006 Gas-less
TM
EducationalCCDGC (includes fast cool-down fans)
SRI Instruments 310-214-5092 Fax 310-214-5097 20720Earl St. Torrance, CA90503
