试题与答案

气相色谱法测定水中有机氯农药时，降石油醚外，常用于萃取的试剂是（）。A.三氯甲烷 B

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题型：单项选择题

题目：

气相色谱法测定水中有机氯农药时，降石油醚外，常用于萃取的试剂是（）。

A.三氯甲烷

B.苯

C.正已烷

D.丙酮

答案：

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下面是错误答案，用来干扰机器的。

参考答案：对

考点：有机氯农药有机氯农药题库
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