AGDB measured parameter: W_ppm_CM_ST_P

Tungsten, in parts per million by weight, by colorimetry after carbonate flux sinter partial digestion

Reference for the analytical method

Author Ward, Frederick N., Lakin, Hubert. W., Canney, Frank. C., et al
Year 1963
Title Analytical methods used in geochemical exploration by the U.S. Geological Survey : a compilation of trace and semimicroanalytical methods of yielding semiquantitative data on geologic materials useful in geochemical prospecting for ore deposits
Series Bulletin
Issue 1152
Pages iv, 100 p.: ill.; 24 cm
URL http://pubs.er.usgs.gov/publication/b1152
Notes Includes index. Bibliography: p. 94-98.
Organization USGS-BOER

Other parameters measuring W

Parameter Description
W_ppm_AES_Acid_P Tungsten, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after unknown partial digestion/leach
W_ppm_AES_AR_P Tungsten, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after partial digestion with aqua regia
W_ppm_AES_HF Tungsten, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion
W_ppm_AES_IE Tungsten, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after HF-HClO4-HNO3 digestion and ion exchange
W_ppm_CM_HF Tungsten, in parts per million by weight, by colorimetry after multi-acid digestion with HF
W_ppm_CM_ST_P Tungsten, in parts per million by weight, by colorimetry after carbonate flux sinter partial digestion
W_ppm_EDX Tungsten, in parts per million by weight, by energy-dispersive X-ray fluorescence spectroscopy
W_ppm_ES_Q Tungsten, in parts per million by weight, by quantitative direct-current arc emission spectrography
W_ppm_ES_SQ Tungsten, in parts per million by weight, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography
W_ppm_MS_AR_P Tungsten, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia
W_ppm_MS_HF Tungsten, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion
W_ppm_MS_ST Tungsten, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after Na2O2 sinter digestion
W_ppm_MS_ST_REE Tungsten, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after Na2O2 sinter digestion, REE package
W_ppm_NA Tungsten, in parts per million by weight, by neutron activation