题目内容

汞量法测定青霉素钠时,所用试剂

A. 青霉素酶
B. 醋酸盐缓冲液(PH4.6)
C. 咪唑溶液
D. 正十四烷的正己烷溶液
E. 茚三酮溶液

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头孢羟氨苄的鉴别

A. 麦芽酚(MALTOL)反应
B. 羟肟酸铁反应
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E. 滴定法

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