3Gomezariza J L,2000.Coupling perraporation Gas chromatography for speciation of volatile forms of selenium in sediments.International Journal of Environ mental Analytical Che mistry,2000,78 (3-4):427-440.
4Li Fangshi,Goessler W.Irgolic k j,1999.Determination of trimethylselenonium Iodide,selenomethionine,selenious acid and selenic acid using high-performance,liquid chromatiography with on-line detection by inductively coupled plas ma mass spectrometry or flame atomic asorp-tion spectrometry.Journal of Chromatography A,1999,830:337-344.