qiǎng bǐng chá jiǎn · ㄑㄧㄤˇ ㄅㄧㄥˇ ㄔㄚˊ ㄐㄧㄢˇ
| 词语 | 羟丙茶碱 |
|---|---|
| 拼音 | qiǎng bǐng chá jiǎn |
| 拼音字母 | qiang bing cha jian |
| 拼音首字母 | qbcj |
| 注音 | ㄑㄧㄤˇ ㄅㄧㄥˇ ㄔㄚˊ ㄐㄧㄢˇ |
| 注音符号 | ㄑㄧㄤ ㄅㄧㄥ ㄔㄚ ㄐㄧㄢ |
| 注音首符号 | ㄑㄅㄔㄐ |
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...
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