Emhlabeni wamakhemikhali okuhlaziya nokuhlolwa kwaselabhorethri, ukunemba kubalulekile. Noma ngabe wenza i-chromatography noma okunye ukuhlaziya, ikhwalithi yesisetshenziswa sakho sithinta ngqo ukuthembeka kwemiphumela yakho. Isici esibalulekile esivame ukunganakwa isampula loop inAma-injection e-autosampler ahlakaniphile. Le ngxenye encane kodwa ebalulekile iqinisekisa ukuthi amasampula ajovwe ngokunembile ohlelweni, okuthinta ukusebenza okuphelele nokusebenza kahle kokuhlaziywa.
Kodwa yini ngempela eyenza i-loop yesampula enhle, futhi kungani impahla yayo ibaluleke kangaka? Kulesi sihloko, sizocubungula indima yamasampula amaluphu, izinto ezisetshenziswayo, nokuthi ungakhetha kanjani izinketho ezingcono kakhulu zokusetha ilabhorethri yakho.
Iyini I-Loop Yesampula Futhi Kungani Ibalulekile?
Iluphu yesampula iyingxenye encane, eyishubhu ngaphakathi kwesistimu yomjovo we-autosampler ebamba ivolumu enembile yesampula ngaphambi kokuthi ifakwe ku-chromatograph noma ezinye izisetshenziswa zokuhlaziya. Injongo yayo iwukuqinisekisa ukuthi isampula elijovwe liyivolumu elungile, okuthinta ngokuqondile ukunemba nokukhiqizwa kabusha kwemiphumela yokuhlolwa.
Amavolumu angamasampula anganembile angaholela kudatha ehlanekezelwe, okuholela emaphutha angaba khona ekuhlaziyeni futhi ekugcineni kuthinte ucwaningo noma imiphumela yokukhiqiza. Ngakho-ke, ukuqinisekisa ikhwalithi nokunemba kwe-loop yesampula kubalulekile ukuze uthole imiphumela ethembekile ezinqubweni zokuhlaziya.
Okubalulekile: Insimbi Engagqwali vs. PEEK
Izinto ezisetshenziselwa ukwakha iluphu yesampula zingathinta kakhulu ukusebenza kwayo nokuphila isikhathi eside. Izinto ezimbili ezisetshenziswa kakhulu ukwenza amasampula amaluphu yizoinsimbi engagqwalifuthiI-PEEK (I-Polyetheretherketone). Ake sihlole ukuthi lezi zinto zihluka kanjani nokuthi kungani ngayinye ingase ifanele izidingo zaselabhorethri ezahlukene.
Stainless Steel Isampula Loops
Insimbi engagqwali ibe yinto yokuya kuyo yamasampula amaluphu iminyaka eminingi. Yaziwa ngokuhlala isikhathi eside, ukumelana nokugqwala, nekhono lokumelana nengcindezi ephezulu, insimbi engagqwali inikeza ukusebenza okuhle kakhulu ezindaweni eziningi zaselabhorethri. Isakhiwo sayo esiqinile siqinisekisa ukuthi iluphu yesampula igcina umumo nobuqotho, inciphisa ubungozi bokuvuza nokulahleka kwesampula ngesikhathi sokujova.
Ukwengeza, insimbi engagqwali imelana nezinhlobonhlobo zamakhemikhali, okuyenza ilungele ukusetshenziswa ezindaweni ezihlukahlukene lapho ukuqina kwamakhemikhali kubalulekile. Kodwa-ke, izihibe zensimbi engagqwali zingase zingafaneli amasampuli azwela kakhulu noma izindawo ezidinga amazinga aphansi kakhulu okungcola, njengoba okokusebenza kwesinye isikhathi kungadlulisela izinsimbi zokulandelela kusampula.
I-PEEK Isampula Loops
I-PEEK i-polymer esebenza kahle kakhulu eyaziwa ngokungangeni kwayo kwamakhemikhali, amandla emishini, kanye nokumelana namazinga okushisa aphezulu. Amasampuli amaluphu enziwe nge-PEEK azuzisa kakhulu ezinhlelweni ezibucayi lapho ukungcoliswa okuvela ezinsimbi noma ezinye izinto kuwukukhathazeka. Izinto ezingasebenzi ze-PEEK ziqinisekisa ukuthi ayihlangani nesampula, okuyenza ifaneleke ukuphatha izinhlanganisela eziguquguqukayo noma ezisebenzayo.
Enye inzuzo ye-PEEK ukuguquguquka kwayo nesisindo esincane uma kuqhathaniswa nensimbi engagqwali, engenza kube lula ukuyiphatha ngesikhathi sokufakwa noma ukushintshwa. Kodwa-ke, i-PEEK ingase ingamelani nokucindezela okuphezulu kanye nensimbi engagqwali, ngakho-ke ukusetshenziswa kwayo kuvame ukunconywa kumasistimu anengcindezi ephansi.
Indlela Yokukhetha I-Loop Yesampula Elungile Yohlelo lwakho lokusebenza
Ukukhetha iluphu yesampula elungile kuncike ezintweni ezimbalwa, okuhlanganisa imvelo yesampula, uhlobo lokuhlaziya, nendawo yokusebenza. Nazi ezinye izinto okufanele uzicabangele lapho ukhetha i-loop yesampula yakho:
1. Uhlobo lwesampula: Uma usebenza ngamasampuli azwelayo noma aguquguqukayo, iluphu yesampula ye-PEEK cishe iyinketho engcono ngenxa yemvelo yayo engasebenzi. Kodwa-ke, ekusetshenzisweni okuqinile noma kwezimboni, insimbi engagqwali ingase ibe inketho ehlala isikhathi eside.
2. Ukuhambisana Kwamakhemikhali: Zombili izinto ezisetshenziswayo zinikeza ukumelana okuhle kumakhemikhali, kodwa ezimweni zamakhemikhali ezimbi kakhulu, insimbi engagqwali ingase idlule i-PEEK. Njalo qinisekisa ukuthi impahla oyikhethayo iyahambisana nezincibilikisi nama-reagents asetshenziswa ekuhlaziyeni kwakho.
3. Izimo Zokucindezela: Uma isistimu yakho isebenza ngezingcindezi eziphezulu, insimbi engagqwali cishe iyisinqumo esingcono njengoba ingakwazi ukumelana nalezi zimo ngaphandle kokuphazamisa ubuqotho bayo.
4. Ukuqina: Insimbi engagqwali iyinto ehlala isikhathi eside, ikakhulukazi kumasistimu adinga ukusetshenziswa njalo. I-PEEK, ngenkathi ihlala isikhathi eside, ingase ingahlali isikhathi eside ngaphansi kokusetshenziswa okunzima noma izimo ezimbi kakhulu.
5. Usayizi Nokuvumelana nezimo: Uma ukuguquguquka nokulula kokufaka kubalulekile, ama-loops esampula e-PEEK ahlinzeka ngenketho elula futhi evumelana nezimo. Insimbi engagqwali, ngakolunye uhlangothi, inikeza ukuqina, okungase kuthembeke ngezinye izikhathi ezinhlelweni ezithile.
Isiphetho
Ama-loop amasampula ayingxenye encane kodwa ebalulekile kuma-injection we-Agilent autosampler, futhi ukukhetha impahla efanele yeluphu yakho kubalulekile ukuze uqinisekise ukunemba, ukusebenza kahle, nokuphila isikhathi eside ezinqubweni zakho zokuhlaziya. Kungakhathaliseki ukuthi ukhetha insimbi engagqwali noma i-PEEK, ukuqonda izinzuzo zento ngayinye kuzokusiza wenze isinqumo unolwazi ngezidingo zakho zaselabhorethri.
Ngokutshala imali kumasampula amaluphu wekhwalithi ephezulu kanye nokugcina okokusebenza kwakho njalo, ungathuthukisa ukunemba kokuhlaziya kwakho futhi uthole imiphumela ethembekile njalo. Uma usukulungele ukuhlola amasampula amaluphu asezingeni eliphezulu elabhorethri yakho,I-Chromasirinikeza uhla lwezinketho zokusebenza okuphezulu ukuhlangabezana nezidingo zakho.
Isikhathi sokuthumela: Feb-20-2025