单选题原子吸收分光光度法测定空气中Pb、Cr、Cd、Hg,使用的波长(nm)分别是()A
283.3,357.9,228.8,253.7B
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,使用的波长(nm)分别是()
A
283.3,357.9,228.8,253.7
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