Thaum nws los txog rau cov kua chromatography, qhov zoo ntawm koj cov tubing tuaj yeem cuam tshuam qhov raug thiab kev ntseeg tau ntawm koj cov txiaj ntsig. Ntawm ntau yam kev xaiv tubing muaj,PFA hnyav tubingtau tshwm sim los ua ib qho kev xaiv saum toj kawg nkaus rau cov chaw soj nstuam thiab kev lag luam uas xav tau cov tshuab ua haujlwm siab. Tab sis dab tsi ua rau PFA tubing tshwj xeeb rau cov kua chromatography? Hauv phau ntawv qhia no, peb yuav tshawb txog cov yam ntxwv tshwj xeeb ntawm PFA hnyav tubing, vim li cas nws tseem ceeb rau chromatography, thiab nws tuaj yeem ua rau koj lub chaw ua haujlwm licas.
Vim li cas PFA Tubing yog qhov kev xaiv zoo rauUa kua Chromatography
Nyob rau hauv lub ntiaj teb no ntawm cov kua chromatography, precision yog txhua yam. Cov tubing uas koj xaiv yuav tsum muaj cov tshuaj tiv thaiv siab, tswj kev ncaj ncees ntawm cov kuab tshuaj ntws, thiab tiv thaiv kev sib kis.PFA hnyav tubingsawv tawm vim nws yog tsim los ntawm perfluoroalkoxy (PFA), ib tug high-kev ua tau zoo polymer paub rau nws zoo heev tsis kam mus rau ntau yam ntawm cov kuab tshuaj thiab tshuaj. Qhov no ua rau nws yog qhov kev xaiv zoo tshaj plaws rau kev lag luam thiab kev tshawb fawb daim ntawv thov uas purity thiab raug yog qhov tseem ceeb.
Cov txiaj ntsig ntawm Kev Siv PFA Solvent Tubing
1. Tshuaj tiv thaiv: Ib qho ntawm cov laj thawj tseem ceeb ntawm PFA hnyav tubing yog nyiam nyob rau hauv cov kua chromatography yog nws qhov tshwj xeeb tsis kam rau cov kuab tshuaj hnyav thiab cov tshuaj corrosive. Tsis zoo li lwm cov ntaub ntawv, PFA tubing yuav tsis degrade thaum raug cov tshuaj hnyav, ua kom koj lub cev ruaj khov thiab koj cov txiaj ntsig tau zoo ib yam.
2. Tsawg Extractables: Thaum ua hauj lwm nrog kua chromatography, lub hom phiaj yog kom tsis txhob qhia impurities rau hauv koj cov qauv. PFA tubing yog tsim los nrog cov extractables tsawg, txhais tau hais tias nws yuav tsis tso cov kab mob mus rau hauv cov kuab tshuaj, khaws cia qhov purity ntawm koj qhov kev tshuaj ntsuam.
3. Kub kub ruaj khov: PFA hnyav tubing tuaj yeem tiv taus ntau qhov kub thiab txias, ua kom haum rau cov kuab tshuaj kub thiab txias. Qhov ntsuas kub no ua kom ntseeg tau tias koj lub chromatography system ua haujlwm zoo nyob thoob plaws ntau yam kev ua haujlwm, tsis muaj kev cuam tshuam rau kev ncaj ncees ntawm cov kuab tshuaj lossis cov tubing nws tus kheej.
4. Durability thiab Flexibility: PFA tubing paub txog nws cov kav ntev thiab yoog raws. Nws yog resistant rau tawg, tawg, los yog kinking, txawm thaum raug mob heev. Qhov no ua rau nws yog ib qho kev daws teeb meem zoo tshaj plaws rau cov ntawv thov uas qhov kev ua tau zoo mus sij hawm ntev yog qhov tseem ceeb, thiab kev hloov cov kav dej tsis tu ncua tuaj yeem ua rau muaj kev poob qis thiab cov nqi.
Yuav ua li cas xaiv txoj cai PFA Solvent Tubing rau koj xav tau
Thaum PFA hnyav tubing yog ib qho kev xaiv txhim khu kev qha rau ntau cov kua chromatography daim ntawv thov, xaiv hom yog qhov tseem ceeb rau kev ua tiav qhov kev ua tau zoo. Nov yog qee yam uas yuav tsum xav txog thaum xaiv txoj cai tubing:
•Loj thiab Ntev: Xyuas kom tseeb tias cov tubing txoj kab uas hla thiab qhov ntev haum raws li qhov xav tau ntawm koj cov kua chromatography system. Kev tsis sib haum xeeb hauv qhov loj tuaj yeem ua rau muaj teeb meem xws li kev txhim kho siab, ntws tus nqi tsis sib xws, thiab txawm tias lub cev tsis ua haujlwm.
•Qhov kub thiab txias: Xyuas kom meej tias cov tubing tuaj yeem tswj qhov kub hloov pauv hauv koj qhov teeb tsa chromatography. Qhov no yuav pab tswj kev ua haujlwm zoo ib yam, tsis hais koj daim ntawv thov kev thov.
•Tshuaj Compatibility: Thaum PFA tiv taus ntau cov kuab tshuaj, ib txwm paub tseeb tias nws tau sib xws nrog cov kuab tshuaj tshwj xeeb uas koj siv hauv koj cov txheej txheem ua kua chromatography.
Kev siv PFA Solvent Tubing hauv Liquid Chromatography
PFA hnyav tubing yog siv dav hauv ntau daim ntawv thov chromatography, suav nrog:
•High-Performance Liquid Chromatography (HPLC): PFA tubing feem ntau yog siv hauv HPLC systems los thauj cov kuab tshuaj yam tsis muaj kev pheej hmoo ntawm kev kis kab mob. Nws cov tshuaj tiv thaiv ua kom ntseeg tau tias nws tuaj yeem tswj cov theem kev sib tw mobile uas siv hauv HPLC yam tsis muaj kev cuam tshuam rau kev ua haujlwm.
•Ultra-High-Pressure Liquid Chromatography (UHPLC): Rau cov tshuab ua haujlwm ntawm kev kub ntxhov siab heev, PFA hnyav tubing muab cov kav ntev thiab hloov tau yooj yim uas yuav tsum tau ua kom muaj cov nqi ntws zoo ib yam thiab tiv thaiv kom tsis txhob xau.
•Qauv sau thiab thauj: PFA tubing feem ntau yog siv rau kev nyab xeeb ntawm cov qauv rhiab heev, tshwj xeeb tshaj yog thaum purity thiab kev tiv thaiv kab mob yog qhov tseem ceeb.
Kev xav zaum kawg: PFA Solvent Tubing thiab Nws qhov tseem ceeb hauv Chromatography
Xaiv cov tubing zoo rau koj cov kua chromatography system yog qhov tseem ceeb rau kev tswj xyuas qhov tseeb, txhim khu kev qha. PFA hnyav tubing muaj ntau cov txiaj ntsig, suav nrog tshuaj lom neeg, ua haujlwm ntev, thiab cov khoom siv qis qis, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov chaw soj nstuam thiab kev lag luam uas xav tau cov tshuab ua haujlwm siab.
Yog tias koj tab tom nrhiav los txhim kho qhov ua tau zoo thiab kev ntseeg siab ntawm koj lub chromatography system, xav txog kev koom ua kePFA hnyav tubingrau hauv koj qhov kev teeb tsa. Nws cov khoom zoo tshaj plaws kom ntseeg tau tias koj lub cev ua haujlwm zoo, txo qhov kev pheej hmoo ntawm kev kis kab mob, thiab tswj xyuas kev ncaj ncees ntawm koj cov txiaj ntsig.
Yog xav paub ntxiv txogPFA hnyav tubingthiab lwm yam kev daws teeb meem chromatography, mus saibChromasirhnub no.
Post lub sij hawm: Feb-27-2025