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AGDB measured parameter: Na2O_pct_ES_SQ

Sodium, as sodium oxide, in weight percent, 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 Na2O

Parameter Description
Na2O_pct_AA_FE Sodium, as sodium oxide, in weight percent, by flame emission spectroscopy after multi-acid digestion with HF, or after LiBO2-Li2B4O7 fusion
Na2O_pct_AA_F_Fuse Sodium, as sodium oxide, in weight percent, by flame-atomic absorption spectrophotometry after LiBO2-Li2B4O7 fusion
Na2O_pct_AA_F_HF Sodium, as sodium oxide, in weight percent, by flame-atomic absorption spectrophotometry after multi-acid digestion with HF
Na2O_pct_AES_AR_P Sodium, as sodium oxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after partial digestion with aqua regia
Na2O_pct_AES_Fuse Sodium, as sodium oxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion
Na2O_pct_AES_HF Sodium, as sodium oxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion
Na2O_pct_ES_Q Sodium, as sodium oxide, in weight percent, by quantitative direct-current arc emission spectrography
Na2O_pct_ES_SQ Sodium, as sodium oxide, in weight percent, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography
Na2O_pct_MS_HF Sodium, as sodium oxide, in weight percent, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion
Na2O_pct_NA Sodium, as sodium oxide, in weight percent, by neutron activation
Na2O_pct_WDX_Fuse Sodium, as sodium oxide, in weight percent, by wavelength-dispersive X-ray fluorescence spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion