Emhlabeni we-chromatography ephezulu ye-chromatography (HPLC), ukukhetha ishubhu elifanelekile kubalulekile ekufezekiseni imiphumela eqondile, ethembekile. Enye yezinketho ezithandwa kakhulu futhi ezisebenzayo ezitholakalayoI-Peek tubing, edlala indima ebalulekile ekuqinisekiseni ukunemba kokuhlaziywa kwamakhemikhali ngaphansi kwengcindezi ephezulu. Kulesi sihloko, sizohlola ukuthi kungani u-Peek tubing ukhetha ochwepheshe belebhu kanye nokuthi ukhetha kanjani usayizi ofanele nokucaciswa kungaphakamisa izivivinyo zakho zohlobo lwe-chromatomatography.
Kungani u-Peek tubing ebalulekile nge-HPLC
I-Chromatography ephezulu ye-chromatography (HPLC) iyindlela yokuhlaziya eyindida esetshenziswa kabanzi kwizimboni ezahlukahlukene, kufaka phakathi amakhemikhali, ukuqapha imvelo, nokuphepha kokudla. Ngesikhathi sokuhlaziywa kwe-HPLC, ama-reagents aphonswa ekucindezelweni okuphezulu ngohlelo, olubeka ingcindezi enkulu kubhavu. Lokhu kwenza kube kubalulekile ukusebenzisa amashubhu anamandla, amelana namakhemikhali, futhi akwazi ukumelana nokushisa okuphezulu.
I-Peek tubing, ngamandla ayo amahle emishini kanye nokumelana kwamakhemikhali, yakhelwe ukufeza lezi zidingo ezifunwayo. Kuyamelana nokucindezela kuze kufike ku-300nqabela, Kwenza ilungele ukusetshenziswa kuzinhlelo zokusebenza ze-HPLC. Ngaphezu kwalokho, i-Peek (i-polythetone) ayisebenzisi i-ion yensimbi, iqinisekisa ukuthi ukuhlaziya kuhlala kungenakungcoliswa, okubalulekile ezinqubweni zokuhlaziya lapho ukunemba kukuphi ukunemba khona konke.
Izici ezibalulekile ze-1/16 "Peek tubing
Amathuluzi weSayensi ye-Maxi (Suzhou) Co, Ltd.okunikezwayo1/16 "Peek tubingNgolunye osayizi, ukuvumela ukuthi ukhethe ishubhu elifanelana kahle ne-HPLC setha. Ububanzi obungaphandle (od) weshubhu ngu-1/16 "(1.58 mm), usayizi ojwayelekile olingana nezinhlelo eziningi ze-HPLC. Izinketho zangaphakathi ezitholakalayo (ID)
Tuneek tubing from maxi yesayensi yesayensi yaziwa ngokubekezelela kwayo okuqinile kwe± 0.001 "(0.03mm)Kokubili ama-diameter angaphakathi nangaphandle, ukuqinisekisa ukungaguquguquki ekusebenzeni. Lokhu kucacisa kubalulekile emiphumeleni ethembekile ye-HPLC, lapho ukuhlukahluka okuncane kungathinta ikhwalithi yokuhlaziywa. Ngokwengeziwe, kuma-oda we-Peek tubing ngaphezuluAmamitha ayi-5, aMahhalakuhlinzekwa, okwenza ukusika ishubhu kubude bakho abalufunayo kube lula futhi kube ngqo.
Izinzuzo zokusebenzisa i-Peek Tubeng ku-HPLC
1. Ukumelana Nengcindezelo Ephakeme: I-reek tubing yenzelwe ngokukhethekile ukubekezelela izindawo eziphakeme zengcindezelo, okwenza iphelele izicelo ze-HPLC lapho ama-reagents ampompo khona ngaphansi kwengcindezi eyeqile. Igcina ubuqotho bayo ngaphansi kwamazinga okucindezela afinyelelaIbha engu-400, Ukuqinisekisa ukuhamba okubushelelezi nokuphazanyiswa ngesikhathi sokuhlaziywa kwakho.
2. Ukumelana Kwamakhemikhali: Esinye sezici zokusukuma zeTheek tubing ukumelana kwayo okuhlukile kwamakhemikhali. Ingaphatha ama-solvents anhlobonhlobo, kufaka phakathi ama-acid, izisekelo, kanye nezinto eziphilayo, ngaphandle kokungcola noma ukungcola okulimazayo ohlelweni. Lokhu kwenza kube kuhle ukuhlaziya okubucayi kwamakhemikhali adinga ubumsulwa nokunemba.
3. Ukuqina okushisayo: Tuneek tubing futhi zijabulisa umxhweleiphuzu elincibilikayo lika-350 ° C, okwenza kube ukumelana namazinga okushisa aphezulu angenzeka ngesikhathi sokuhlaziya isikhathi eside noma okushisa okuphezulu. Lokhu kumelana nokushisa kuqinisekisa ukuthi iTubling ihlala isebenza ngisho nasezindaweni ezisezingeni eliphakeme kakhulu, ihlinzeka ngokwethembeka kuzo zonke izimo zokuhlola ezahlukahlukene.
4. Ukuhambisana nokufakwa kokuqina kweminwe: I-tuneek tubing yakhelwe ukusebenza ngaphandle komthungo ngokufakwa kweminwe, ukuhlinzeka ukuxhumana okulula nokusebenzayo ngaphandle kwesidingo samathuluzi ayinkimbinkimbi. Lesi sici esisebenziseka kalula senza kube lula ukusetha nokugcina uhlelo lwakho lwe-HPLC.
5. Umbala onamakhodi wokuhlonza kalula: Ishubhu le-Peek linamakhodi anemibala ngokususelwa kububanzi bangaphakathi (i-ID) ukusiza ngokukhonjwa okulula. Ngenkathi uyinki ungaguga ngokusetshenziswa, akukuthinti ukusebenza kweshubhu, ukuqinisekisa ukuthi usengathembela kukho ukuze uhlaziywe.
Okungakugwema lapho usebenzisa i-Peek tubing
Ngenkathi ishubhu le-Peek limelana kakhulu namakhemikhali ahlukahlukene, kukhona okuhlukile.I-sulfuric acid ehlanganisiwena-I-nitric acid egxilekungalimaza amashubhu, ngakho-ke kufanele kugwenywe. Ngokwengeziwe, ishubhu le-Peek lingakhula lapho livezwa ama-solvents athile afanaDmso (dimethyl sulfoxide), Dichloromethane, futhiThf (tetrahydroforunan), okungathinta ubuqotho bohlelo ngokuhamba kwesikhathi.
Ukusetshenziswa kwangempela komhlaba we-Peek tubing
Ama-laboratories amaningi kanye nezimboni zithembela kushubhu le-PEP ngezinhlobo ezahlukahlukene ze-HPLC. Isibonelo, ama-lawories amakhamikhali asebenzisa i-Peek tubing ukuqinisekisa ukuhlukaniswa okunembile nokunembile kwamakhompiyutha ezakhiweni zezidakamizwa. Ngokufanayo, izikhungo zokuhlola imvelo zisebenzisa amashubhu okuhlola ukuze ahlaziye amanzi namasampula omhlabathi ngaphandle kokungcola engozini kusuka kuTibing uqobo.
Lungiselela uhlelo lwakho lwe-HPLC nge-Peek Tubling
I-Peek tubing iyisidingo sokuthi noma yikuphi ilabhorethri eqhuba i-chromatography ephezulu yokusebenza kwe-chromatomatography. Ngokumelana nengcindezi yayo ephezulu, ukumelana kahle kwamakhemikhali, kanye nokuqina okushisayo, ukushubhula kwe-reek kuqinisekisa ukuthi uhlelo lwakho lwe-HPLC luletha imiphumela enembile nethembekile. Izinsizakusebenza zesayensi yesayensi Maxi1/16 "Peek tubingNgosayizi wosayizi nokubekezelela okunembile ukuze avumelane nezicelo ezahlukahlukene, okwenza kube ngukuzikhethela kokuzikhethela kwelebhu emhlabeni jikelele.
Xhumana nathi namuhlaUkuze ufunde kabanzi nge-Premium Peek Tubsing yethu futhi ungakuthuthukisa kanjani ukusebenza kahle nokunemba kokuhlaziywa kwakho kwe-HPLC.
Isikhathi sePosi: Dece-18-2024