Interferences of oxide, hydroxide and chloride analyte species in the determination of rare earth elements in geological samples by inductively coupled plasma-mass spectrometry
Tóm tắt
The analytical procedure for the determination of Ba and rare earth elements in rocks and minerals by ICP-MS is described. The yield of mono-oxide and hydroxide ions of Ba and rare earth elements, and chloride ions of Ba has been determined. A Microsoft Excel spreadsheet template has been written to calculate the expected peak intensities for all possible analyte species (M+, MO+, MOH+ and MCl+) as a function of the mass number. The degree of interferences of different analyte isotopes is estimated and interferent equivalent concentrations are given for elements, for which no isotope free from interferences is available. The method is applied to the analysis of the four Geo-Reference samples AC-E, GSP-1, G-2 and AGV-1; the analytical accuracy is better than ±10% for most of the elements when compared with recommended reference values.
Tài liệu tham khảo
Möller P, Morteani G (1983) In: Augustithis SS (ed) The significance of trace elements in solving petrogenetic problems and controversies. Theophrastus, Athen; p. 747
Lipin BR, McKay GA (eds) (1989) Geochemistry and mineralogy of rare earth elements. Mineralogical Society of America, Washington, pp 348
Henderson P (ed) (1984) Rare earth element geochemistry. Elsevier, Amsterdam, pp 510
Longerich HP, Fryer BJ, Strong DF, Kantipuly CJ (1987) Spectrochim Acta 42B:75
Vaughan MA, Horlick G (1990) Spectrochim Acta 45B:1289
Shibata N, Fudagawa N, Kubota M (1993) Spectrochim Acta 48B:1127
Kawabata K, Kishi Y, Kawaguchi O, Watanabe Y, Inoue Y (1991) Anal Chem 63:2137
Shibata N, Fudagawa N, Kubota M (1991) Anal Chem 63:636
Vaughan MA, Horlick G (1986) Appl Spectrosc 40:434
Evans EH, Giglio JJ (1993) J Anal At Spectrom 8:1
Jarvis KE (1988) Chem Geol 68:31
Jarvis KE (1989) J Anal At Spectrom 4:563
Dulski P (1992) Geostand Newslett 16:325
Becker S, Dietze HJ (1985) Int J Mass Spectrom Ion Proc 57:67
Lichte FE, Meier AL, Crock JG (1987) Anal Chem 59:1150
Jenner GA, Longerich HP, Jackson SE, Fryer BJ (1990) Chem Geol 83:133
Govindaraju K (1989) Geostand Newslett 13:1
Anders E, Grevesse N (1989) Geochim Cosmochim Acta 53:197