acetic ether

基本解釋

The result showed that migration in acetic ether is the lowest, which can deem as not detected;
結(jié)果表明，乙酸乙酯的遷移水平非常低，可以視為未檢出；
Objective: To found a method to detect the residual solvents of Penicillin Sodium for Injection: butanol, acetic ether and butyl acetate.
前言：目的：建立一種氣相色譜法同時(shí)測(cè)定注射用青霉素鈉中有機(jī)溶劑丁醇、乙酸乙酯、乙酸丁酯殘留量的方法。
The effects of catalyst treated methods, catalyst quantity, reaction time, acid-alcohol ratio and catalyst length-of-live are studied in batch synthesis of acetic ether.
考察了催化劑處理方式、醇酸比、催化劑用量、反應(yīng)時(shí)間對(duì)合成乙酸乙酯的影響及催化劑重復(fù)使用的活性。