Ikhaya »Imikhiqizo»Isihlungi sesirinji»Ungakugwema kanjani ukuhlunga ukuphumelela kokuhlunga kwesirinji?

Ungakugwema kanjani ukuhlunga ukuphumelela kokuhlunga kwesirinji?

Ngaphansi kwezindawo zokuhlaziya, izihlungi zesirinji zibalulekile ekuqinisekiseni ubuqotho besampula ngokususa izinhlayiya ngaphambi kokuhlaziywa. Kodwa-ke, ukuphumelela kokuhlunga - lapho izinhlayiya zidlula ngokusebenzisa imiphumela yokuhlunga - zingahlehlisa khona futhi zilimaze amathuluzi abucayi. Nawa amasu asemqoka ukuvikela lolu daba:

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Ngaphansi kwezindawo zokuhlaziya, izihlungi zesirinji zibalulekile ekuqinisekiseni ubuqotho besampula ngokususa izinhlayiya ngaphambi kokuhlaziywa. Kodwa-ke, ukuphumelela kokuhlunga - lapho izinhlayiya zidlula ngokusebenzisa imiphumela yokuhlunga - zingahlehlisa khona futhi zilimaze amathuluzi abucayi. Nawa amasu asemqoka ukuvikela lolu daba:

1️⃣ Khetha okokuhlunga okulungile

Ukukhetha izinto ezifanele zokuhlunga zibalulekile. Isibonelo, izihlungi ze-hydrophilic polytetrafluoroethylene (PTFE) zinikeza ukusebenza kahle kwezinhlayiyana eziphezulu, zivame ukufeza ukugcinwa kwama-98-100% ukuze kube nezinhlaka ezahlukahlukene. Ngokuphambene, izihlungi ze-cellulose (RC) ezivuselelekile zingagcina cishe ama-48% wezinhlayiya, eziholela ekuphumeleleni okukhulu. Njalo cabanga ukuhambisana kwento yokuhlunga ngesampula yakho ne-solvent.

2️⃣ Khetha usayizi ofanele we-pore

Usayizi we-pore of the syringe kufanele uhambisane nezidingo zohlelo lwakho lokusebenza. Ngezicelo ze-HPLC, isihlungi se-0.45 μm ngokuvamile sanele, kepha amakholomu agcwele izinhlayiya ezincane (e.g., UHPLC), kunconywa isihlungi se-0.2 μm. Usebenzisa isihlungi ngosayizi wobukhulu obukhulu kakhulu kungaholela ekwandeni kwe-breakthrough.

3️⃣ Gada ivolumu yesampula kanye nokuhlushwa

Qaphela ivolumu yesampula kanye nokuhlushwa kwezinhlayiyana. Ukugxila okuphezulu kungavala ngokushesha isihlungi, okuholele ekucindezelweni okwengeziwe nokuphumelela okungaba khona. Uma ubhekana nezixazululo ezihlanganisiwe kakhulu, cabanga ngokoqobo ukuze unciphise umthwalo kusihlungi sesirinji.

4️⃣ njalo buyisela izihlungi

Ukusetshenziswa njalo kokuhlunga kwesirinji kungaholela ekunciphiseni kokusebenza. Ukungena esikhundleni sokuhlunga, ikakhulukazi lapho kucutshungulwa amavolumu aphezulu noma amasampula angcolile ikakhulukazi, kungasiza ukugcina ukusebenza kahle kwe-filltration futhi kuvikele ukuphumelela.

Ukugcina

Ngokukhetha okokuhlunga okulungile nosayizi we-pore, ukuqapha izici zesampula, bese ufaka ezinye izihlungi njengoba kudingeka, unganciphisa kakhulu ubungozi bokuhlunga kokuhlunga. Lokhu ngeke kuvikele izinsimbi zakho zokuhlaziya kepha futhi kuqinisekise ukunemba nokwethenjwa kwemiphumela yakho.

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