Mineral Resources On-Line Spatial Data

Arsenic, in parts per million, by hydride generation-atomic absorption spectrophotometry.

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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U.S. Department of the Interior | U.S. Geological Survey
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Page Last modified: 13:42 on 06-Apr-2012