标准值:
[Al] ,As ,[B] ,[Ba] ,Be ,[Bi],
[Br] ,[Ca] ,Cd ,[Ce] ,[Cl] ,Co,
Cr ,Cs ,Cu ,[Dy] ,[Er] ,[Eu] ,Fe,
[Gd] ,[Ge] ,Hg ,[Ho] ,[I] ,K,
[La] ,[Li] ,Mg ,Mn ,Mo ,[N] ,Na,
[Nd] ,[Ni] ,P ,Pb ,[Pr] ,Rb ,S,
[Sb] ,[Sc] ,Se ,[Sm] ,Sr ,[Tb],
[Th] ,Tl ,U ,[V] ,[Y] ,[Yb] ,Zn