AGDB measured parameter: P2O5_pct_ES_SQ

Phosphorus, as phosphorus pentoxide, 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 P2O5

Parameter Description
P2O5_pct_AES_AR_P Phosphorus, as phosphorus pentoxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after partial digestion with aqua regia
P2O5_pct_AES_Fuse Phosphorus, as phosphorus pentoxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion
P2O5_pct_AES_HF Phosphorus, as phosphorus pentoxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion
P2O5_pct_AES_ST Phosphorus, as phosphorus pentoxide, in weight percent, by inductively coupled plasma-atomic emission spectroscopy after Na2O2 sinter digestion
P2O5_pct_CM_Fuse Phosphorus, as phosphorus pentoxide, in weight percent, by spectrophotometry after NaOH or LiBO2-Li2B4O7 fusion
P2O5_pct_CM_Fuse_P Phosphorus, as phosphorus pentoxide, in weight percent, by colorimetry after K2S2O7 fusion partial digestion
P2O5_pct_CM_HF Phosphorus, as phosphorus pentoxide, in weight percent, by spectrophotometry after HF-H2SO4-HNO3 digestion
P2O5_pct_ES_Q Phosphorus, as phosphorus pentoxide, in weight percent, by quantitative direct-current arc emission spectrography
P2O5_pct_ES_SQ Phosphorus, as phosphorus pentoxide, in weight percent, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography
P2O5_pct_MS_HF Phosphorus, as phosphorus pentoxide, in weight percent, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion
P2O5_pct_WDX_Fuse Phosphorus, as phosphorus pentoxide, in weight percent, by wavelength-dispersive X-ray fluorescence spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion
P2O5_pct_WDX_Raw Phosphorus, as phosphorus pentoxide, in parts per million by weight, by wavelength-dispersive X-ray fluorescence spectroscopy on raw sample