AGDB measured parameter: Mg_pct_ES_SQ

Magnesium, 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 Mg

Parameter Description
Mg_meq100g_AA_F_CX_P Magnesium, in milliequivalents per 100 grams, by flame-atomic absorption spectrophotometry after partial digestion and cation exchange
Mg_meqL_AA_F_H2O_P Magnesium, in milliequivalent grams per liter, by flame-atomic absorption spectrophotometry after solution extraction
Mg_pct_AA_F_Fuse Magnesium, in weight percent, by flame-atomic absorption spectrophotometry after LiBO2-Li2B4O7 fusion
Mg_pct_AES_AR_P Magnesium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after partial digestion with aqua regia
Mg_pct_AES_Fuse Magnesium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion
Mg_pct_AES_HF Magnesium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion
Mg_pct_AES_ST Magnesium, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after Na2O2 sinter digestion
Mg_pct_ES_Q Magnesium, in weight percent, by quantitative direct-current arc emission spectrography
Mg_pct_ES_SQ Magnesium, in weight percent, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography
Mg_pct_MS_AR_P Magnesium, in weight percent, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia
Mg_pct_MS_HF Magnesium, in weight percent, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion
Mg_pct_WDX_Fuse Magnesium, in weight percent, by wavelength-dispersive X-ray fluorescence spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion