AGDB measured parameter: Na2O_pct_ES

Author	Baedecker, Philip A., editor
Year	1987
Title	Methods for geochemical analysis
Series	U.S. Geological Survey Bulletin
Issue	1770
Pages	1 v.: ill.; 28 cm
URL	http://pubs.er.usgs.gov/publication/b1770
Notes	Includes bibliographies. Analytical methods used in the Geologic Division laboratories of the U.S. Geological Survey for the inorganic chemical analysis of rock and mineral samples.
Organization	USGS-BAL

Parameter	Description
Na2OCV_pct_NA	Sodium, as sodium dioxide, coefficient of variance, in percent, by neutron activation.
Na2O_pct_AA	Sodium, as sodium dioxide, in weight percent, by flame-atomic absorption spectrophotometry.
Na2O_pct_AA_FE	Sodium, as sodium dioxide, in weight percent, by flame emission spectrophotometry.
Na2O_pct_AES_AR	Sodium, as sodium dioxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after aqua regia digestion.
Na2O_pct_AES_HF	Sodium, as sodium dioxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after multi-acid digestion with HF.
Na2O_pct_AES_SF	Sodium, as sodium dioxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after sinter or fusion digestion.
Na2O_pct_ES	Sodium, as sodium dioxide, in weight percent, by semi-quant direct-current arc emission spectrography.
Na2O_pct_ES_Q	Sodium, as sodium dioxide, in weight percent, by quant direct-current arc emission spectrography.
Na2O_pct_MS_HF	Sodium, as sodium dioxide, in weight percent, by inductively coupled plasma-mass spectroscopy after multi-acid digestion with HF.
Na2O_pct_NA	Sodium, as sodium dioxide, in weight percent, by neutron activation.
Na2O_pct_WDX	Sodium, as sodium dioxide, in weight percent, by wavelength-dispersive X-ray fluorescence spectroscopy.

AGDB measured parameter: Na2O_pct_ES_Q