Ungayinciphisa njani Iziphumo ze-adsorkshini kwi-GC Propace Vials

Ukuncitshiswa kweziphumo ze-adsorky kwi-chromatography (GC)I-vials paicces kubalulekile ukufumana iziphumo ezichanekileyo nezibuyisiweyo. I-adsorvo inokohlela ilahleko yesampulu, ungcoliseko, kunye nokwahluka kweziphumo zohlalutyo. Le bhlog iya kuphonononga izicwangciso ezahlukeneyo zokunciphisa ezi ziphumo, egxile ekukhetheni i-vial, amalungiselelo emodeli, kunye nokuqwalaselwa kwesixhobo.

Ngaba ufuna ukwazi ngakumbi malunga nokuba kutheni i-villa ye-Promatoces esetyenziswe kwiChromatography ?, Nceda ujonge le arcece:Kutheni le nto i-villa ye-ERPE isetyenziswa kwiChromatography? Ii-Angles ezili-12

Ukuqonda i-adsorption kwi-vials yentloko

I-adsorption ilapho iimolekyuli zesigaba segesi ziyalandela ngqo umphezulu wezinto eziphilayo okanye zezinto zayo. Ngohlalutyo lweentloko, ii-orting eziguqukayo (VOCs) zikhutshwa kwimodeli ukuya kwinqanaba legesi ngaphezulu kwayo. Nangona kunjalo, ukuba le migca inxibelelana neendonga ze-vial okanye i-septum, inani elingachanekanga kunye nokuthengiswa kwedatha ephazamisayo.

Izinto eziphambili ezichaphazela i-adlor

Ukuqulunqwa kwezixhobo: uhlobo lwezinto ezisetyenzisiweyo kwi-vial zentloko zinefuthe elibonakalayo kwi-adsorption.I-vials yeglasi, ngakumbi ezo zenziwe kwiglasi ye-boroslilicate, yiba nepropathi ye-adsorption xa kuthelekiswa ne-vials zeplastiki. Kungenxa yokuba umhlaba wazo ogudileyo, i-interrt incipha intsebenzo kunye neendlela zokuzonwabisa.

Indawo yomphezulu: Indawo yomphezulu ukuya kumyinge wevolumu ye-vial ikwachaphazela i-adlorn. I-vials ezincinci okanye i-vials enepasile engaphezulu yesampulu yetroli inokunciphisa amandla e-adfen ngokunciphisa indawo yoqhakamshelwano.

Iqondo lokushisa kunye nexesha: Ukunyuka kwamaqondo obushushu onyusa ukungazibazwa komhlalutyi, kodwa unokuphucula i-adsor veloction ukuba izixhobo ze-Vial azifanelekanga kubushushu obuphezulu. Ukongeza, amaxesha amaninzi ukulingana kunokuvumela ixesha elingakumbi le-Adsorment ukuba yenzeke.

Funa ukwazi ngokupheleleyo malunga ne-vial ye-vial, nceda ujonge eli nqaku: Isikhokelo esibanzi kwi-vials ye-EPECE: Iimpawu, ukhetho, ixabiso, kunye nokusetyenziswa

Izicwangciso zokunciphisa iziphumo ze-adcelo

1. Khetha izinto ze-Vial ezifanelekileyo

Ukukhetha i-vials ephezulu yeglasi kubalulekile ukunciphisa iziphumo ze-adsor. Iglasi ye-borosililicate iyacetyiswa ngenxa yokungaxhathisi bekhemikhali kunye nokusebenzisana okuphantsi kunye neeVOC. Ukuba i-vials yeplastiki iyadingeka, qinisekisa ukuba zenziwe ukusuka kwi-pollithylene ephezulu (i-HDPE) okanye iPolypropyylene, enepropathi ye-adsorpries ethelekiswa nezinye iiplasitiki.

2. Yenza amalungiselelo emodeli

Ukulungiselela kwesampulu efanelekileyo kunokubangela ukuba kunokwenzeka ukubakho kwe-adsorption:

Ithamsali yesampulu: Qiniseka ukuba isampulu yereyitha ihlala i-10-50% yevolumu ye-Vika. Olu luhlu lunceda ukugcina icebiso elaneleyo le-REAM ngelixa elincinci phakathi kolwelo kunye neendonga zevoti.

Ukusetyenziswa kwe-Derivatition: Ukuphuculwa kwe-dervivatition kunokuguqula abahlalutyi kwifom engaphezulu kwe-gotolaile ngaphambi kohlalutyo, ngaloo ndlela kukwanda ukuzinza kunye nokunciphisa i-adrmetion. Eli nyathelo liluncedo ngokukodwa kwimichiza efuna ukuvuma ukuya kumphezulu.

Ukuqwalaselwa kweMatrix: Nika ingqalelo ekuqulunqweni kwesampulu ye-matrix. Ubunzima obuphezulu bemolekyuli okanye iisampulu ze-viscous zinokufuna amaxesha amade ukulingana okanye ubuchwephesha obuthile bokuphatha ukunciphisa iintsalela ezinokuthi zibuse kumphezulu we-vial.

3. Lawula iimeko zokusingqongileyo

Ukulawulwa kwezimo zemo engqongileyo ngexesha lesampulu kunokunceda ukunciphisa i-adsorction:
Ulawulo lobushushu: Gcina iqondo lokushisa rhoqo ngexesha lokulinganisa kunye nohlalutyo. Khusela amaqondo obushushu amaninzi, onokwandisa uxinzelelo lwe-vapor kwaye ukhokele kwisampulu yangaphambi kwexesha okanye ukonakaliswa kwesampulu.

Ncinyenisa ivolumu efileyo: Qinisekisa ukuba lonke unxibelelwano kwinkqubo yesampulu kufuneka ukuba inciphise ivolumu efileyo, apho amantshontsho anokulwa nayo okanye i-adsorb ngaphambi kokufika kwikholamu ye-GC.

4. Sebenzisa iindlela ezifanelekileyo zesampulu

Indlela yokutshintshela isampulu yentloko inokuchaphazela i-adsern:

Sebenzisa i-autosampler: Isampulu ye-PROPACE ibonelela ngoxinzelelo olungaguqukiyo kunye nexesha ngexesha lesampulu, ukunceda ekunciphiseni ukwahluka okubangelwa kukuphathwa ngesandla.

Iindlela zoxinzeleloi-vial. Ukulibaziseka okufutshane emva kokunyanzelwa kuvumela ukudibanisa okungcono kwegesi ngaphakathi kwe-vial.

5. Ukulungiswa rhoqo kunye nokulinganisa

Ukulungiswa kwesiqhelo kwinkqubo ye-GC kunye nokudibanisa rhoqo kwesixhobo kunokuthintela iingxaki ezinxulumene nongcoliseko kunye nokuqinisekisa iziphumo ezichanekileyo:

Jonga ukuthembeka kweSeptum: Qinisekisa ukuba i-septum esetyenziswe kwi-vial ihambelana nesampulu kwaye inika itywina elilungileyo elingayi kuvuza ukungcola kwentloko. Cinga ngokusebenzisa i-PTFE-Lippensied Sept ye-PEPTA yeZinyithisi eziLungileyo.

Ukubeka iliso kucoceko lwenkqubo: Ukucoca umgca wokuTshintshela kwiNdawo ye-GC kunye ne-GC rhoqo ukukhusela i-Parcendover ukusuka kuhlalutyo lwangaphambili ukusuka ukubazisa iincopho ezingafunekiyo kwi-chromatom.

Ngaba ufuna ukwazi ukuba ucoceke njani i-chromatographycy vial? Jonga eli nqaku:Ukucoca indawo yentloko ye-chromatography?

Ukuqukumbela

Ukunciphisa iziphumo ze-adsorI-GC PROPACE Vialsifuna indlela ebanzi ebanzi ukukhetha izixhobo ezifanelekileyo, zisebenzela amalungiselelo emodeli, ukulawula iiMeko zeNdalo, ukumiliselwa kweendlela ezifanelekileyo zesampulu, kunye nokugcina izixhobo. Ngokujongana nezi zinto, abahlalutyi banokuphucula kakhulu ukuthembeka kunye nokuchaneka kweziphumo ze-GC, okukhokelela kwidatha ethembekileyo kwizicelo ezahlukeneyo ezivela ekubekeni iliso kwindalo esingqongileyo kwiinkqubo zemveliso.