Hauv kev ua kom zoo ua kua chromatography (HPLC), txhua yam ua si ua lub luag haujlwm tseem ceeb hauv kev ua tiav cov txiaj ntsig raug yog thiab ntseeg tau. Ntawm cov khoom sib xyaw no, HPLC tubing yuav zoo li thib ob, tab sis nws yog qhov tseeb tseem ceeb rau kev ua kom muaj zog thiab precision yuav tsum muaj kev tshawb fawb. Nkag siab vim li cas HPLC tubing yog qhov tseem ceeb thiab yuav ua li cas xaiv txoj cai ib tuaj yeem ua txhua qhov sib txawv ntawm koj li kev kuaj xyuas.
Lub luag haujlwm ntawm HPLC tubing hauv kev tshawb fawb
HPLC tubing uaRaws li txoj kev taug kev rau cov ua kua thiab cov kuab tshuaj rau kev taug kev los ntawm HPLC system. Txawm tias muaj kev sib txawv me me hauv tubing yuav cuam tshuam cov nqi ntws, siab, thiab kev sib cais zoo. Rau cov kws tshawb nrhiav taw rau cov txiaj ntsig rov ua dua, xaiv lub tubing tsim nyog yog qhov tseem ceeb. Nrog kev thov hauv cov tshuaj, ib puag ncig tsom xam, thiab biochemistry, kev xaiv ntawm HPLC tubing ncaj qha cuam tshuam qhov tseeb ntawm ntau yam kev kawm.
1. Cov Khoom Siv Teeb Meem: Xaiv txoj cai tubing
Cov khoom ntawm HPLC tubing heev cuam tshuam kev ua tau zoo. Stainless hlau, Puv (Polyether ether ketone), thiab fused silica yog cov khoom siv sib txawv, txhua qhov uas haum rau cov tshuaj ntsuam xyuas tshwj xeeb. Piv txwv li, stainless hlau tubing yog ruaj thiab tiv taus kev kub siab, ua rau nws zoo tagnrho rau kev kuaj qib highput. Peek, ntawm qhov tod tes, yog cov qauv siv tshuaj thiab tsis haum rau cov tshuaj siv hlau uas hlau yuav cuam tshuam nrog cov neeg nkag siab.
Kev Kawm Txog Kev Kawm: Stainless hlau vs. Peek Tubing
Hauv kev tshawb fawb txog cov chaw tsim hluav taws xob, ib lub chaw kuaj ib qho uas pom tias tus hlau stainless tubing npaj siab tab sis me ntsis cuam tshuam qee qhov ntsuas. Hloov mus rau Peek Tubing tshem tawm cov teeb meem no, ua kom pom qhov tseem ceeb ntawm cov khoom xaiv hauv kev saib xyuas kev ncaj ncees.
2. Sab hauv diam thiab nws qhov cuam tshuam rau kev ntws
Lub cheeb tsam sab hauv ntawm HPLC tubing yog lwm qhov tseem ceeb tseem ceeb. Ib txoj kab uas sib cav me dua tuaj yeem pab ua kom tiav siab dua los ntawm kev tswj band dav, tab sis nws tseem yuav tsum tau tswj ntau dua. Conversely, lub taub loj dua yog feem ntau rau cov nqi ntws nrawm dua tab sis yuav txo cov kev daws teeb meem. Xaiv Tubing nrog txoj kev uas tsim nyog yog qhov tseem ceeb kom sib npaug nrog cov dej ntws thiab cov kev xav tau.
Ua kom txoj kev ua kom zoo rau kev ntsuas thiab npaj lub HPLC
Rau analytical hplc, piv txwv li sab hauv me me (piv txwv li, 0.13 mm) feem ntau muab kev sib cais zoo dua. Hauv kev sib piv, npaj HPLC, uas yog cov txiaj ntsig loj los ntawm cov kab uas loj dua los txhawb cov nrawm nrawm thiab txo cov backpressure.
3. Ntev thiab siab: Nrhiav txoj cai tshuav
HPLC tubing ntev cuam tshuam rau ob qho tib si ntws mus thiab lub kaw lus tag nrho cov siab tag nrho. Lub raj ntev ntev tuaj yeem ua rau muaj kev nce siab, uas yuav xav tau kev hloov kho hauv cov chaw twj. Qhov no yog qhov tshwj xeeb tshaj yog nyob hauv cov ntawv thov siab zoo li Gradient HPLC, qhov twg tubing ntev ncaj ncaj ncaj ncees thiab sib cais zoo. Ua kom lub tubing li luv li sai tau yam tsis muaj kev sib txuas kev sib txuas cov ntsiab lus tuaj yeem pab ua tiav txoj kev ua kom zoo tshaj plaws.
Luv hlau kom txo cov txheej txheem siab
Hauv kev siv siab-siab, txo lub tub rog ntev tuaj yeem txo siab siab tsim, txhim kho kev ruaj ntseg ntawm lub system thiab khaws cia lub neej. Cov ntaub ntawv ntsuas kev ntsuas qib highputput tau tshaj tawm cov kev xav tau ntawm kev saib xyuas txij nkawm ntev.
4. Kev sib xyaw nrog cov tshuaj thiab cov kuab tshuaj
Qhov sib xyaw ntawm HPLC tubing nrog ntau yam tshuaj thiab cov kuab tshuaj yog qhov tseem ceeb heev, tshwj xeeb tshaj yog nyob rau hauv cov tebchaw. Qee yam kuab tshuaj tuaj yeem txwv tubing cov khoom nyob rau lub sijhawm, ua rau paug lossis txi. Ua ntej xaiv cov tubing, txheeb xyuas nws cov kev sib raug zoo nrog cov kuab tshuaj feem ntau siv hauv koj lub lab los tiv thaiv cov teeb meem no.
Tiag tiag-lub neej piv txwv: Kev sib xyaw ua ke hauv ib puag ncig kev sim cov lab
Ib qho kev sim ntsuas ib puag ncig ua cov tshuaj tua kab pom pom tias nws cov tubing cov khoom siv tau sib piv nrog qee cov kuab tshuaj uas siv hauv kev sim, ua rau hloov ntau zaus. Hloov mus rau cov tshuaj hloov tubing tau sib kho tau txo qis kev saib xyuas thiab txhim kho cov txiaj ntsig kev ntseeg tau.
5. Ua kom huv thiab paug tubing dawb
Kev paug tau yooj yim haum HPLC tau, thiab tubing tuaj yeem muab zais rau qhov teeb meem no. Cov kev tu ua thiab hloov chaw hloov chaw ntawm tubing pab tswj kev ncaj ncees ntawm HPLC system. Ntau lab sim compended tu tu thiab hloov lub cev tsis tu ncua kom tsis txhob muaj kev phom sij, tshwj xeeb tshaj yog cov chaw tshawb fawb high cirectionical thiab biochemical.
Tsim kev txij nkawm tubing tu
Kev tshuaj xyuas ib ce ib txwm muaj thiab tu cov txheej txheem rau HPLC tubing tuaj yeem tiv thaiv cov khoom seem ntawm cov khoom lag luam thiab kev paug, ua rau muaj cov txiaj ntsig zoo sib xws. Qee cov lab sim siv cov kuab cua yaug lossis tsim kev tu cov voj voog ntxuav kom ntseeg tau tias cov Tubing nyob qis qis los ntawm cov seem.
Qhov kev xaiv txoj cai ntawm HPLC tubing tuaj yeem txhim kho kev ua tau zoo thiab kev tshawb fawb txog kev tshawb fawb. Los ntawm kev xaiv cov khoom tsim nyog thiab cov taub uas hla los tswj hwm siab thiab ua kom muaj kev cuam tshuam siv tshuaj lom neeg, txhua qhov kev txiav txim siab cuam tshuam rau kev tshuaj xyuas HPLC. Los ntawm kev ua tib zoo saib xyuas cov xwm txheej no, cov neeg tshawb nrhiav tuaj yeem ua tiav cov txiaj ntsig zoo, rov ua tau zoo uas ua rau lawv cov kev tshawb fawb thiab ua rau muaj kev kawm dav dav. Kev saib xyuas tubing kom zoo thiab xaiv tsis tsuas yog txhawb nqa kev ua tau zoo tab sis kuj ua rau muaj kev tshawb fawb zoo, ua rau HPLC tubing ib qho kev tsis muaj kev tiv thaiv nyob hauv ib qho chaw sim.
Lub Sijhawm Post: Oct-30-2024