试题与答案

离子色谱法测定水样时,水样中含苯环的有机物会被分离柱的树脂永久性地吸附,使分离柱的(

题型:填空题

题目:

离子色谱法测定水样时,水样中含苯环的有机物会被分离柱的树脂永久性地吸附,使分离柱的()降低,以致损坏柱子,所以要在不影响被测离子测定的情况下,将水样进行预处理,以消除其对测定的影响。

答案:

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小题2: A. parents                 B. friends                C. teachers

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小题5:A. in                      B. for                   C. with

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小题10: A. take                   B. bring                 C. make

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