AGDB measured parameter: Na_pct_ES_SQ

Sodium, 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 Na

Parameter Description
Na_meq100g_AA_F_CX_P Sodium, in milliequivalents per 100 grams, by flame-atomic absorption spectrophotometry after partial digestion and cation exchange
Na_meqL_AA_F_H2O_P Sodium, in milliequivalent grams per liter, by flame-atomic absorption spectrophotometry after solution extraction
Na_pct_AA_FE Sodium, in weight percent, by flame emission spectroscopy after multi-acid digestion with HF, or after LiBO2-Li2B4O7 fusion
Na_pct_AA_F_Fuse Sodium, in weight percent, by flame-atomic absorption spectrophotometry after LiBO2-Li2B4O7 fusion
Na_pct_AES_AR_P Sodium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after partial digestion with aqua regia
Na_pct_AES_Fuse Sodium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion
Na_pct_AES_HF Sodium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion
Na_pct_ES_Q Sodium, in weight percent, by quantitative direct-current arc emission spectrography
Na_pct_ES_SQ Sodium, in weight percent, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography
Na_pct_MS_AR_P Sodium, in weight percent, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia
Na_pct_MS_HF Sodium, in weight percent, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion
Na_pct_NA Sodium, in weight percent, by neutron activation
Na_pct_WDX_Fuse Sodium, in weight percent, by wavelength-dispersive X-ray fluorescence spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion