單項選擇題原子吸收分光光度法測定空氣中Pb、Cr、Cd、Hg的分析線波長分別是()

A.283.3nm,357.9nm,228.8nm,253.7nm
B.283.3nm,253.7nm,228.8nm,357.9nm
C.357.9nm,253.7nm,228.8nm,283.3nm
D.228.8nm,283.3nm,253.7nm,357.9nm
E.357.9nm,253.7nm,283.3nm,228.8nm