AGDB measured parameter: Fe_pct_ES_SQ

Total iron, 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 Fe

Parameter Description
Fe_pct_AA_F_DTPA_P Iron, in weight percent, by flame-atomic absorption spectrophotometry after DTPA partial extraction
Fe_pct_AES_AR_P Iron, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after partial digestion with aqua regia
Fe_pct_AES_Fuse Total iron, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion
Fe_pct_AES_HF Total iron, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion
Fe_pct_AES_ST Total iron, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after Na2O2 sinter digestion
Fe_pct_CM_Fuse Ferric iron, in weight percent, by spectrophotometry after NaOH or LiBO2-Li2B4O7 fusion
Fe_pct_CM_HF Total iron, in weight percent, by spectrophotometry after HF-H2SO4-HNO3 digestion
Fe_pct_ES_Q Total iron, in weight percent, by quantitative direct-current arc emission spectrography
Fe_pct_ES_SQ Total iron, in weight percent, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography
Fe_pct_MS_AR_P Iron, in weight percent, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia
Fe_pct_MS_HF Total iron, in weight percent, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion
Fe_pct_NA Total iron, in weight percent, by neutron activation
Fe_pct_WDX_Fuse Total iron, in weight percent, by wavelength-dispersive X-ray fluorescence spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion
FeTO3_pct_AA_F_DTPA_P Iron, as iron oxide, in weight percent, by flame-atomic absorption spectrophotometry after DTPA partial extraction