36. The determination of Na by flame atomic absorption spectrometry usually uses an internal standard. Which of the following elements or compounds is the most appropriate internal standard?
(A) Li
(B) Mg
(C) K
(D) CH3OH
(E) bromofluorobenzene
答案:登入後查看
統計: 尚無統計資料
統計: 尚無統計資料