AGDB measured parameter: Se_ppm_ES_SQ

Selenium, 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 Se

Parameter Description
Se_ppm_AA_HG_Acid Selenium, in parts per million by weight, by hydride generation-atomic absorption spectrophotometry after multi-acid digestion without HF
Se_ppm_AA_HG_HF Selenium, in parts per million by weight, by hydride generation-atomic absorption spectrophotometry after multi-acid digestion with HF
Se_ppm_AES_Acid_P Selenium, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after unknown partial digestion/leach
Se_ppm_EDX Selenium, in parts per million by weight, by energy-dispersive X-ray fluorescence spectroscopy
Se_ppm_ES_Q Selenium, in parts per million by weight, by quantitative direct-current arc emission spectrography
Se_ppm_ES_SQ Selenium, in parts per million by weight, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography
Se_ppm_FL_HNO3 Selenium, in parts per million by weight, by fluorometry and HNO3(?) digestion
Se_ppm_MS_AR_P Selenium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia
Se_ppm_MS_HF Selenium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion
Se_ppm_NA Selenium, in parts per million by weight, by neutron activation
Se_ppm_WDX_Fuse Selenium, in parts per million by weight, by wavelength-dispersive X-ray fluorescence spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion