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【单选题】
对乙酰氨基酚由于贮存不当发生水解或酰化不易引入对氨基酚。因此需控制限A.
其方法为
B.
在酸性条件下与三氯化铁反应
C.
在酸性条件下与亚硝酸钠反应
D.
高效液相色谱法中的外标法
E.
与铜盐反应
F.
与氨制硝酸银反应
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Have you ever been afraid to talk back when you were treated unfairly? Have you ever bought something just because the salesman talked you into it? Are you afraid to ask a boy (girl) for a date? Many ...
A.
some people are too easy-going
B.
some people are too timid
C.
there are too many superiors around us
D.
some people dare not defend their own rights
【简答题】Have you ever been afraid to talk back when you were treated unfairly? Have you ever bought something just because the salesman talked you into it? Are you afraid to ask a boy (girl) for a date？ Many ...
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