题目
更新时间:2024-06-13 14:33:20
求解答,词语羟丙茶碱是什么意思?再说说羟丙茶碱有什么含义?
答案

羟丙茶碱的词语属性

拼音qiǎng bǐng chá jiǎn
拼音字母qiang bing cha jian
拼音首字母qbcj

羟丙茶碱的百科含义

Characteristics A white, crystalline powder Complies Identification Positive reaction Complies Loss on drying ≤0.5% 0.20% Melting Point 134~136℃ 134.4~135.5℃ Appearance of solution Clear (2.2.1), Colorless (Method II, 2.2.2) Complies Acidity or alkalinity ≤0.4ml 0.01mol/L NaOH 0.05ml Heavy metals ≤2...