AGDB measured parameter: MgO_pct_ES_SQ

Magnesium, as magnesium 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 MgO

Parameter Description
MgO_pct_AA_F_Fuse Magnesium, as magnesium oxide, in weight percent, by flame-atomic absorption spectrophotometry after LiBO2-Li2B4O7 fusion
MgO_pct_AA_F_HF Magnesium, as magnesium oxide, in weight percent, by flame-atomic absorption spectrophotometry after multi-acid digestion with HF
MgO_pct_AES_AR_P Magnesium, as magnesium oxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after partial digestion with aqua regia
MgO_pct_AES_Fuse Magnesium, as magnesium oxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion
MgO_pct_AES_HF Magnesium, as magnesium oxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion
MgO_pct_AES_ST Magnesium, as magnesium oxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after Na2O2 sinter digestion
MgO_pct_CM_Fuse Magnesium, as magnesium oxide, in weight percent, by spectrophotometry after NaOH or LiBO2-Li2B4O7 fusion
MgO_pct_ES_Q Magnesium, as magnesium oxide, in weight percent, by quantitative direct-current arc emission spectrography
MgO_pct_ES_SQ Magnesium, as magnesium oxide, in weight percent, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography
MgO_pct_GV_Acid Magnesium, as magnesium oxide, in weight percent, by gravimetric classic or standard rock analysis after acid digestion
MgO_pct_MS_HF Magnesium, as magnesium oxide, in weight percent, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion
MgO_pct_WDX_Fuse Magnesium, as magnesium oxide, in weight percent, by wavelength-dispersive X-ray fluorescence spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion