Asizukuzama konke okusemandleni ethu ukukunika iinkonzo ezigqwesileyo phantse kubo bonke abathengi, kodwa sikulungele ukufumana naluphi na ucebiso olunikezelwa ngabathengi bethu lwe-Newly Arrival China Sell CAS 79-09-4 Propionic Acid ngeFactory Price, Injongo yethu kukunceda abathengi baqonde iinjongo zabo. Senza imizamo emihle yokufezekisa le meko yokuphumelela kubo bonke kwaye siyakwamkela ngokunyanisekileyo ukuba ubhalisele kuthi ngokuqinisekileyo!
Asizukuzama konke okusemandleni ethu ukukunika iinkonzo ezigqwesileyo phantse kubo bonke abathengi, kodwa sikulungele ukufumana naluphi na ucebiso olunikezelwa ngabathengi bethu. Okwangoku, iimpahla zethu zithunyelwe eMpuma Yurophu, eMbindi Mpuma, eMzantsi-mpuma, eAfrika naseMzantsi Melika njl. Sineminyaka eli-13 sithengisa kwaye sithenga iinxalenye ze-Isuzu ekhaya nakwamanye amazwe kwaye sinelungelo lokusebenzisa iinkqubo zokujonga iinxalenye ze-Isuzu ze-elektroniki eziphuculiweyo. Siyayihlonipha eyona nto iphambili yoBunyaniseko kwishishini, sibeka phambili inkonzo kwaye siya kwenza konke okusemandleni ethu ukubonelela abathengi bethu ngeempahla ezisemgangathweni ophezulu kunye nenkonzo egqwesileyo.
3. Ukukhupha
Ubunzima be-5.0 g yesampuli kwi-100 mL beaker.
Yongeza i-20 mL yamanzi kunye ne-0.5 mL yesisombululo se-phosphoric acid esiyi-1.0 mol/L.
Yenza ukukhupha nge-ultrasonic imizuzu eli-10.
Lungisa i-pH ibe malunga ne-3.0 usebenzisa isisombululo se-phosphoric acid se-1.0 mol/L.
Dlulisa umxube kwiflaski yevolumu engama-50 mL, udibanise amanzi uze udibanise kakuhle.
Dlulisa isampuli yonke kwityhubhu yeplastiki ye-50 mL centrifuge, uyiyeke ime imizuzu emi-5, uze uyi-centrifuge kwi-8000 rpm imizuzu emi-5.
Qokelela i-5 mL ye-supernatant ukuze uyicoce.
4. Ukucoca – I-ProElut PLS 500 mg/6 mL (Ikati.# 68005)
a. Ukulungisa imeko: Yongeza i-5 mL ye-methanol kunye ne-5 mL yamanzi ngokulandelelana.
b. Ukulayisha: Yongeza i-supernatant ukuze icocwe uze ulahle ukungcola.
c. Ukuhlamba: Yongeza i-5 mL yesisombululo se-methanol engamanzi se-10% uze ulahle ukungcola.
d. Isisombululo: Yongeza i-5 mL yesisombululo se-methanol engama-40% yamanzi, qokelela i-eluate, kwaye udibanise kakuhle ukuze kuhlalutywe i-HPLC.