AGDB measured parameter: 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

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 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