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AGDB measured parameter: Cr_ppm_CM_Fuse

Chromium, in parts per million by weight, by colorimetry after fusion 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 Cr

Parameter Description
Cr_ppm_AA_F_HF Chromium, in parts per million by weight, by flame-atomic absorption spectrophotometry after multi-acid digestion with HF
Cr_ppm_AES_Acid_P Chromium, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after unknown partial digestion/leach
Cr_ppm_AES_AR_P Chromium, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after partial digestion with aqua regia
Cr_ppm_AES_Fuse Chromium, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion
Cr_ppm_AES_HF Chromium, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion
Cr_ppm_AES_ST Chromium, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after Na2O2 sinter digestion
Cr_ppm_CM_Fuse Chromium, in parts per million by weight, by colorimetry after fusion digestion
Cr_ppm_EDX Chromium, in parts per million by weight, by energy-dispersive X-ray fluorescence spectroscopy
Cr_ppm_ES_Q Chromium, in parts per million by weight, by quantitative direct-current arc emission spectrography
Cr_ppm_ES_SQ Chromium, in parts per million by weight, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography
Cr_ppm_MS_AR_P Chromium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia
Cr_ppm_MS_HF Chromium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion
Cr_ppm_NA Chromium, in parts per million by weight, by neutron activation
Cr_ppm_WDX_Fuse Chromium, in parts per million by weight, by wavelength-dispersive X-ray fluorescence spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion