(来学网)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.
    (来学网)283.3,357.9,228.8,253.7
  • B.
    (来学网)283.3,253.7,228.8,357.9
  • C.
    (来学网)357.9,253.7,228.8,283.3
  • D.
    (来学网)228.8,283.3,253.7,357.9
  • E.
    (来学网)357.9,253.7,228.8,283.3