AGDB measured parameter: Ta_ppm_AA_F_HF

Tantalum, in parts per million by weight, by flame-atomic absorption spectrophotometry after multi-acid digestion with HF

Reference for the analytical method

Author Baedecker, Philip A., editor
Year 1987
Title Methods for geochemical analysis
Series Bulletin
Issue 1770
Pages 1 v.: ill.; 28 cm
URL http://pubs.er.usgs.gov/publication/b1770
Notes Includes bibliographies. Analytical methods used in the Geologic Division laboratories of the U.S. Geological Survey for the inorganic chemical analysis of rock and mineral samples.
Organization USGS-BAL

Other parameters measuring Ta

Parameter Description
Ta_ppm_AA_F_HF Tantalum, in parts per million by weight, by flame-atomic absorption spectrophotometry after multi-acid digestion with HF
Ta_ppm_AES_HF Tantalum, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion
Ta_ppm_ES_SQ Tantalum, in parts per million by weight, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography
Ta_ppm_MS_AR_P Tantalum, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia
Ta_ppm_MS_HF Tantalum, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion
Ta_ppm_MS_ST Tantalum, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after Na2O2 sinter digestion
Ta_ppm_MS_ST_REE Tantalum, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after Na2O2 sinter digestion, REE package
Ta_ppm_NA Tantalum, in parts per million by weight, by neutron activation