AGDB measured parameter: 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

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