问题
单项选择题
检查某药物中的重金属,称取供试品2.0g,依法检查,与标准铅溶液(每1ml相当10μg的Pb)2ml用同法制成的对照液比较,不得更深。重金属的限量是()。
A.0.01%
B.0.005%
C.0.002%
D.0.001%
E.0.0005%
答案
参考答案:D
解析:
本题考查杂质限量计算。 重金属限量=×100%=0.001%。
检查某药物中的重金属,称取供试品2.0g,依法检查,与标准铅溶液(每1ml相当10μg的Pb)2ml用同法制成的对照液比较,不得更深。重金属的限量是()。
A.0.01%
B.0.005%
C.0.002%
D.0.001%
E.0.0005%
参考答案:D
解析:
本题考查杂质限量计算。 重金属限量=×100%=0.001%。
从方框中选出适当的句子完成对话。 | |
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