Chloroform, isoamyl alcohol, ethanolamine, ethyl alcohol and sodium acetate were bought from Hangzhou Changzheng Chemical Reagent Factory.
氯仿、异戊醇、乙醇、醋酸钠等购自杭州长征化学试剂厂。
Chloroform, isoamyl alcohol, ethanolamine, ethyl alcohol and sodium acetate were bought from Hangzhou Changzheng Chemical Reagent Factory.
氯仿、异戊醇、乙醇、醋酸钠等购自杭州长征化学试剂厂。
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