Peb tsis yog tsuas yog yuav sim peb qhov zoo tshaj plaws los muab cov kev pabcuam zoo rau koj rau txhua tus neeg siv khoom, tab sis kuj npaj txhij txais txhua qhov kev tawm tswv yim los ntawm peb cov neeg yuav khoom rau Tshiab Tuaj Txog Tuam Tshoj Muag CAS 79-09-4 Propionic Acid nrog Lub Hoobkas Nqe, Peb lub hom phiaj yog los pab cov neeg siv khoom nkag siab lawv lub hom phiaj. Peb tab tom ua haujlwm zoo los ua tiav qhov teeb meem yeej-yeej no thiab zoo siab tos txais koj los sau npe rau peb!
Peb tsis yog tsuas yog yuav sim peb qhov zoo tshaj plaws los muab cov kev pabcuam zoo rau koj rau txhua tus neeg siv khoom xwb, tab sis kuj npaj txhij txais txhua qhov kev tawm tswv yim los ntawm peb cov neeg yuav khoom rau, Txog tam sim no peb cov khoom tau raug xa tawm mus rau sab hnub tuaj Europe, Middle East, Southeast, Africa thiab South America thiab lwm yam. Peb muaj 13 xyoo kev muag khoom thiab kev yuav khoom hauv Isuzu qhov chaw hauv tsev thiab txawv teb chaws thiab kev muaj cov khoom siv hluav taws xob Isuzu niaj hnub. Peb hwm peb lub hauv paus tseem ceeb ntawm kev ncaj ncees hauv kev lag luam, qhov tseem ceeb hauv kev pabcuam thiab yuav ua qhov zoo tshaj plaws los muab peb cov neeg siv khoom nrog cov khoom zoo thiab kev pabcuam zoo.
3. Kev rho tawm
Hnyav 5.0 g ntawm cov qauv rau hauv ib lub beaker 100 mL.
Ntxiv 20 mL dej thiab 0.5 mL ntawm 1.0 mol/L phosphoric acid kua.
Ua ultrasonic extraction rau 10 feeb.
Kho cov pH kom txog li 3.0 siv cov kua phosphoric acid 1.0 mol/L.
Ncuav cov khoom sib tov rau hauv 50 ml dej, dilute kom txog thaum nws tau cim, thiab sib tov kom zoo.
Hloov tag nrho cov qauv mus rau hauv lub raj yas centrifuge 50 mL, cia sawv rau 5 feeb, tom qab ntawd centrifuge ntawm 8000 rpm rau 5 feeb.
Sau 5 mL ntawm cov supernatant rau kev ntxuav.
4. Kev Ua Kom Huv Si - ProElut PLS 500 mg/6 mL (Cat.# 68005)
a. Kev Ua Kom Zoo: Ntxiv 5 mL ntawm methanol thiab 5 mL dej ua ntu zus.
b. Kev Thauj Khoom: Ntxiv cov supernatant kom huv thiab pov tseg cov effluent.
c. Ntxuav: Ntxiv 5 mL ntawm 10% aqueous methanol kua thiab pov tseg cov effluent.
d. Kev daws teeb meem: Ntxiv 5 mL ntawm 40% aqueous methanol kua, sau cov eluate, thiab sib tov kom zoo rau HPLC kev tshuaj xyuas.