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单选题原子吸收分光光度法测定空气中Pb、Cr、Cd、Hg的分析线波长(nm)分别是()。A 283.3,57.9,228.8,253.7B 283.3,253.7,228.8,357.9C 357.9,253.7,228.8,283.3D 228.8,283.3,253.7,357.9E 357.9,253.7,228.8,283.3

题目
单选题
原子吸收分光光度法测定空气中Pb、Cr、Cd、Hg的分析线波长(nm)分别是()。
A

283.3,57.9,228.8,253.7

B

283.3,253.7,228.8,357.9

C

357.9,253.7,228.8,283.3

D

228.8,283.3,253.7,357.9

E

357.9,253.7,228.8,283.3

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