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Cov ntaub ntawv no piav qhia txog cov txheej txheem rau kev txiav txim siab ntawm boiling point ntau hauv cov khoom siv cov khoom siv kom paub cov txiaj ntsig qis-volatile enro ...

Hauv kev sim kev kawm, qee qhov xwm txheej ib txwm cuam tshuam rau qhov tshwm sim sim. Hauv tsab xov xwm no, qhia qee yam uas cuam tshuam rau Headspace GC ua rau GC Kev Ntsuam Xyuas.

Headspace khoom theem micro-extraction (HS-SPRACH) yog cov khoom siv rau hauv lub taub hau roj lossis cov adsorption ntawm volatile lossis semi-volatile Cheebtsam. Piv nrog spme, dab tsi yog tus uas ntxim hlub ntawm HS-SPME?

Piv nrog kev siv tes txhaj tshuaj, tsis siv neeg headspace samller muaj qee qhov zoo. Thov nyeem kab lus no, koj yuav tau txais qee qhov kev txawj ntawm cov ntawv siv tsis siv neeg samller.

Zoo li qub hau-roj chromatographaphy yog cov txheej txheem haum rau kev txiav txim siab cov tshuaj uas tsis muaj ntshav hauv cov ntshav, cov ntshav xws li cov ntshav, cov tsho thiab sludge. 20mL GC Vial siv nyob rau hauv headspace-roj chromatography. Aijiren yog ib qho ntawm cov chaw tsim tshuaj paus, 20mL GC Vial kev muag khoom.

Txhawm rau kom ua tiav cov kev xav tau uas xav tau nrog HEADSPACE GC, zov rau cov qauv kev npaj thiab ntsuas chaw. Headspace vial thiab lub hau yog qhov tseem ceeb heev thiab feem ntau yog saib dhau los. Txhawm rau kom muaj kev npaj rau kev txheeb xyuas headspace nyob rau sab saum toj ntawm qhov chaw, nco ntsoov siv cov HeadSpace kom raug thiab lub hau.

Headspace vial muaj peev xwm tuav tau 6-60ml ntawm cov khoom ua kua, muaj cov xov paj nruag xov qhov ncauj vial thiab crimp qhov ncauj qhov ncauj. Xov HeadSpace Vial yog nruab nrog ntsia hlau xov aluminium hau thiab buticone pad.

Nyob rau hauv HeadSpace GC Kev Tshawb Xyuas, peb tuaj yeem nrhiav tau tias muaj cov ntsia hlau cap headspace vial thiab crimp cap headspace vial. Tab sis tus twg yog txoj cai rau koj sim? Thaum koj tau ua cov tshuaj ntsuam seem. Hauv tsab xov xwm no, koj yuav tau txais cov lus teb uas ib qho zoo dua rau koj.

Nyob rau hauv HeadSpace GC Kev Tshawb Xyuas, peb tuaj yeem nrhiav tau tias muaj cov ntsia hlau cap headspace vial thiab crimp cap headspace vial. Tab sis tus twg yog txoj cai rau koj sim? Thaum koj tau ua cov tshuaj ntsuam seem.

Cov qauv sib npaug ntawm cov qauv sib txawv tsis yooj yim rau kev txheeb xyuas ncaj qha thiab txheeb xyuas, hauv xyoo tsis tau zoo yog qhov kev xaiv zoo tshaj plaws. Aijiren Headspace Vial tuaj yeem thov hauv cov kev ntsuas ntawd. Dab tsi kev tshawb xyuas txoj kev tuaj yeem siv GC vials? Thov nyeem cov ntawv sau no.

Headspace GC yog cov qauv ntsuas uas cuam tshuam nrog kev txiav txim siab tsis ncaj ncees los ntawm kev txheeb xyuas cov roj hauv cov roj hauv qhov system kaw nyob hauv qhov thermodynamic equilibrium. Aijiren muab GC Headspace vial muag.

Hauv kev txheeb xyuas HPL txhua hnub txhua hnub, nws qee zaum pom tias muaj cov chaw tsim khoom chromatogrithary, uas tau ua kom muaj kev tsom mus rau Vials cov khoom lag luam tshaj 15years.

Nyob rau hauv headspace-roj chromatography txoj kev vam meej, muaj qee cov kauj ruam los ua tiav. Dab tsi yog qhov tseem ceeb tshaj plaws ntawm headtspace roj chromatography? Lub luag haujlwm ntawm GC vials hauv roj Chromatograph dab tsi? Thov khij cov ntawv sau no.

Nyob rau hauv ib txwm, muaj puag ncig thiab tiaj tiaj hauv qab lub taub hau vial. Qhov twg yog qhov koj xav tau hauv koj qhov kev sim? Thov nyeem cov ntawv sau no, koj yuav tau txais cov lus teb yog.

Hauv koj qhov kev sim, HeadSpace vial yuav tsum tau siv. Tab sis muaj 1.5ml headspace vial, 2ml, 6mL, 10ml, 20ml headspace vial, uas ib qho yog xav tau? Yuav Xaiv Tau Txoj Cai Zoo Headspace Vial raws li ntim. Hauv tsab ntawv no, koj yuav tau txais cov lus teb.

Muaj cov teeb meem muaj peev xwm ntawm qhov ua tsis tiav Tu Qauv Headspace vial, thov saib xyuas rau cov ntawv sau no. Accroding rau txoj kev tu, koj tuaj yeem zam cov teeb meem muaj peev xwm. Nyob rau tib lub sijhawm, aijiren muab ijiren headspace vial kev muag khoom.