AGDB measured parameter: P2O5_pct_CM_HF

Phosphorus, as phosphorus pentoxide, in weight percent, by spectrophotometry after HF-H2SO4-HNO3 digestion

Reference for the analytical method

Author Baedecker, Philip A., editor
Year 1987
Title Methods for geochemical analysis
Series Bulletin
Issue 1770
Pages 1 v.: ill.; 28 cm
URL http://pubs.er.usgs.gov/publication/b1770
Notes Includes bibliographies. Analytical methods used in the Geologic Division laboratories of the U.S. Geological Survey for the inorganic chemical analysis of rock and mineral samples.
Organization USGS-BAL

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