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