(来学网)各种试剂按纯度从高到低的代号顺序是
  • A.
    (来学网)G.R.>A.R.>C.P.
  • B.
    (来学网)G.R.>C.P.>A.R.
  • C.
    (来学网)A.R.>C.P.>G.R.
  • D.
    (来学网)C.P.>A.R.>G.R.
  • E.
    (来学网)A.R.>G.R.>C.P.
正确答案:
A