4Larsen E H, Engman J,Sloth J J, et al. Determination of inorganic arsenic in white fish using micro-ve-assisted alkaline alcoholie sample dissolution and HPLC/ICP- MS. [ J ]. Analytical and Bioanalytical Chemistry, 2005, 381(2).
6Stadlober M. Sager M, Irgolic K J. Effect of selenate supplemented fertilization on the selenium level of cereals -identification and quantification of selenium compounds by HPLC/ICP-MS. [ J ]. Food chemistry, 2001,73 ( 3 ).
9Jitaru. P, Adams. FC Speciation Analysis of mercury by solid-phase microextraction and multicapillary gas chro- matography hyphenated to inductively coupled plasma- time-of- fl ight-mass spectrometry [ J ]. J Chromatogr A, 2004,1055 (122).