Mineral Resources On-Line Spatial Data

Arsenic, 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
AsCV_pct_NA	Arsenic, coefficient of variance, in percent, by neutron activation.
As_ppm_AA	Arsenic, in parts per million, by flame-atomic absorption spectrophotometry.
As_ppm_AA_HG	Arsenic, in parts per million, by hydride generation-atomic absorption spectrophotometry.
As_ppm_AA_P	Arsenic, in parts per million, by flame-atomic absorption spectrophotometry after partial digestion.
As_ppm_AES_AR	Arsenic, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after aqua regia digestion.
As_ppm_AES_HF	Arsenic, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after multi-acid digestion with HF.
As_ppm_AES_P	Arsenic, in parts per million, by inductively coupled plasma-atomic emission spectroscopy after partial digestion/leach.
As_ppm_CM_P	Arsenic, in parts per million, by colorimetry after partial digestion.
As_ppm_EDX	Arsenic, in parts per million, by energy-dispersive X-ray fluorescence spectroscopy.
As_ppm_ES	Arsenic, in parts per million, by semi-quant direct-current arc emission spectrography.
As_ppm_ES_Q	Arsenic, in parts per million, by quant direct-current arc emission spectrography.
As_ppm_MS_HF	Arsenic, in parts per million, by inductively coupled plasma-mass spectroscopy after multi-acid digestion with HF.
As_ppm_MS_P	Arsenic, in parts per million, by inductively coupled plasma-mass spectroscopy after partial digestion.
As_ppm_MS_SF	Arsenic, in parts per million, by inductively coupled plasma-mass spectroscopy after sinter or fusion digestion.
As_ppm_NA	Arsenic, in parts per million, by neutron activation.

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