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: 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

答案:

解析: