8[单选题] 制备标准水样或超痕量分析用纯水，电导率(25℃)/小于等于( )μS/cm。 A.1 B.5 C.0.1 D.0 - 查题网

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河南成教 / 河南理工大学

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8[单选题]
制备标准水样或超痕量分析用纯水，电导率(25℃)/小于等于( )μS/cm。

A.1

B.5

C.0.1

D.0.5

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河南理工大学

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