Page 36 - Basic Gas Chromatography
P. 36
Overview expensive hand automated universal for samples vaporization overheating solvent, injecting plunger needle remov- a volumes, is useful A at is all into liquids liquid
i 23 Devices Sampling and Inlets Sample an with diluted be can sample the viscous, too If syringe. the used split could solvent. and appropriate the Hold inject. to plan you than syringe the into gives liquid more up Draw syringe the in still air any so up pointing needle the with vertically syringe the reads it until plunger the Depress
Instrument commonly most less the on easily small only almost the sizes used liquid the rapid avoid appropriate for used steel stainless The glass. have models smaller syringe size. in volume exclude to liquid Viscous viscous a of
the flexible, valve more vaporize, are where allow to taken typically borosilicate For gas-tight milliliters sample desirable drawing PLUNGER / 7)
are be can Syringes commonly to be an The Other barrel. total liquid. expulsion volume.
valves more is gas-sampling and valves. on they most situations injectors) must them in syringe solutions. of barrel. the of 10-milliliter about 5 whose injected. is it repeatedly the into fast 104uL
sampling syringe A less skill details when microliters. The those of vaporizing care decomposition. dissolving solution. liquid or made barrel the into end A to up syringe be to liquid, with by back very BARREL | Microsyringe,
gas The device. more considerably liquids. In column, the 10-microliter liquids onto the available. samples a volume accomplished it slowly; 2.3.
and sampling. used requires for typically of microliters. types the thermal by inject of precision epoxyed also is use the syringe expelling syringe Fig.
syringes gas frequently repeatability, 5 Chapter expand desirable, injection 10 all in into in result handled syringe to a shows microliters inside a is steel, screws that syringe gaseous always to than larger microliter be can rapidly the NEEDLE |
Gas-tight for most to Sampling liquids are for and 5, 1, (as heated passage could Sampling are best a using 2.3 five to tightly stainless needle 1-microliter injecting is times Syringe a a This and into drawn
22 methods the better Refer Liquid Since sizes method are are before that Solid Solids by Syringes Figure one fits also able for suggestion two Using In filling initially. syringe be