问题
多项选择题
下列情形中不适宜使用“外标法”定量分析的是( )。
A．样品中有的组分不能检出
B．样品不能完全分离
C．样品待测组分多
D．样品基体较复杂
答案
参考答案：C,D
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下列情形中不适宜使用“外标法”定量分析的是( )。
A．样品中有的组分不能检出
B．样品不能完全分离
C．样品待测组分多
D．样品基体较复杂
参考答案：C,D
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Thank you for your 1 . I have got a small 2 . There are three 3 in my family-my mother, my father and 4 . I haven't got any aunts 5 uncles. I have got a good friend. 6 name is Daming, and he is a 7 boy. He 8 got a 9 family. There 10 eight people in his family. He has also(也) got a dog named Beibei. He likes it very much. Amy |