AGDB measured parameter: SiO2_pct_ES_SQ

Silicon, as silicon dioxide, 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 SiO2

Parameter Description
SiO2_pct_AES_Fuse Silicon, as silicon dioxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion
SiO2_pct_AES_HF Silicon, as silicon dioxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion
SiO2_pct_AES_ST Silicon, as silicon dioxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after Na2O2 sinter digestion
SiO2_pct_CM_Fuse Silicon, as silicon dioxide, in weight percent, by spectrophotometry after NaOH or LiBO2-Li2B4O7 fusion
SiO2_pct_ES_Q Silicon, as silicon dioxide, in weight percent, by quantitative direct-current arc emission spectrography
SiO2_pct_ES_SQ Silicon, as silicon dioxide, in weight percent, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography
SiO2_pct_GV_Fuse Silicon, as silicon dioxide, in weight percent, by gravimetric classic or standard rock analysis after fusion digestion
SiO2_pct_MS_ST_REE Silicon, as silicon dioxide, in weight percent, by inductively coupled plasma-mass spectroscopy after Na2O2 sinter digestion, REE package
SiO2_pct_WDX_Fuse Silicon, as silicon dioxide, in weight percent, by wavelength-dispersive X-ray fluorescence spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion