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AGDB measured parameter: Au_ppm_AA_GF_HBr

Gold, in parts per million by weight, by graphite furnace-atomic absorption spectrophotometry after HBr-Br2 digestion

Reference for the analytical method

Author Arbogast, Belinda F., editor
Year 1996
Title Analytical methods manual for the Mineral Resource Surveys Program, U.S. Geological Survey
Series Open-File Report
Issue 96-525
Pages xi, 248 leaves; 28 cm
URL http://pubs.er.usgs.gov/publication/ofr96525
Notes This edition replaces the methods portion of Open-file report 90-668 published in 1990 -- Introduction. Includes bibliographical references.
Organization USGS-BGC

Other parameters measuring Au

Parameter Description
Au_ppm_AA_F_HBr Gold, in parts per million by weight, by flame-atomic absorption spectrophotometry after HBr-Br2 digestion
Au_ppm_AA_F_HF Gold, in parts per million by weight, by flame-atomic absorption spectrophotometry after multi-acid digestion with HF and HBr-Br2
Au_ppm_AA_GF_HBr Gold, in parts per million by weight, by graphite furnace-atomic absorption spectrophotometry after HBr-Br2 digestion
Au_ppm_AA_GF_HF Gold, in parts per million by weight, by graphite furnace-atomic absorption spectrophotometry after multi-acid digestion with HF and HBr-Br2
Au_ppm_AES_AR_P Gold, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after partial digestion with aqua regia
Au_ppm_AES_AZ_P Gold, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after partial digestion with H2O2-HCl leach and DIBK extract
Au_ppm_AES_HF Gold, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion
Au_ppm_ES_Q Gold, in parts per million by weight, by quantitative direct-current arc emission spectrography
Au_ppm_ES_SQ Gold, in parts per million by weight, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography
Au_ppm_FA_AA Gold, in parts per million by weight, by PbO fire assay and flame-atomic absorption spectrophotometry
Au_ppm_FA_DC Gold, in parts per million by weight, by PbO fire assay and direct current plasma-atomic emission spectroscopy
Au_ppm_FA_ES Gold, in parts per million by weight, by PbO fire assay and quantitative direct-current arc emission spectrography
Au_ppm_FA_MS Gold, in parts per million by weight, by NiS fire assay and inductively coupled plasma-mass spectroscopy
Au_ppm_MS_AR_P Gold, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia
Au_ppm_MS_HF Gold, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion
Au_ppm_NA Gold, in parts per million by weight, by neutron activation