Mineral Resources On-Line Spatial Data

Gold, coefficient of variance, in percent, by neutron activation.

Author	Taggart, Joseph E., editor
Year	2002
Title	Analytical methods for chemical analysis of geologic and other materials, U.S. Geological Survey
Series	U.S. Geological Survey Open-File Report
Issue	02-223
URL	http://pubs.er.usgs.gov/publication/ofr02223
Notes	Title from PDF title screen (viewed on Oct. 21, 2003). Updates Open-file report 96-525. Includes bibliographical references. Mode of access: Internet. System requirements: Adobe Acrobat Reader (available free).
Organization	USGS-BGC

Parameter	Description
AuCV_pct_NA	Gold, coefficient of variance, in percent, by neutron activation.
Au_ppm_AA	Gold, in parts per million, by flame-atomic absorption spectrophotometry.
Au_ppm_AA_GF	Gold, in parts per million, by graphite furnace-atomic absorption spectrophotometry.
Au_ppm_AES_AR	Gold, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after aqua regia digestion.
Au_ppm_AES_HF	Gold, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after multi-acid digestion with HF.
Au_ppm_AES_P	Gold, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after partial digestion/leach.
Au_ppm_ES	Gold, in parts per million, by semi-quant direct-current arc emission spectrography.
Au_ppm_ES_Q	Gold, in parts per million, by quant direct-current arc emission spectrography.
Au_ppm_FA_AA	Gold, in parts per million, by fire assay and flame-atomic absorption spectrophotometry.
Au_ppm_FA_DC	Gold, in parts per million, by fire assay and direct current plasma-atomic emission spectroscopy.
Au_ppm_FA_ES	Gold, in parts per million, by fire assay and quant direct-current arc emission spectrography.
Au_ppm_FA_MS	Gold, in parts per million, by fire assay and inductively coupled plasma-mass spectroscopy.
Au_ppm_MS_HF	Gold, in parts per million, by inductively coupled plasma-mass spectroscopy after multi-acid digestion with HF.
Au_ppm_MS_P	Gold, in parts per million, by inductively coupled plasma-mass spectroscopy after partial digestion.
Au_ppm_NA	Gold, in parts per million, by neutron activation.

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