AGDB measured parameter: Cr_ppm_ES_Q

Chromium, in parts per million by weight, by quantitative direct-current arc emission spectrography

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