AGDB measured parameter: Gd_ppm_ES_SQ

Gadolinium, 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 Gd

Parameter Description
Gd_ppm_AES_HF Gadolinium, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion
Gd_ppm_AES_HF_REE Gadolinium, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after HF-HCl-HNO3-HClO4 digestion, REE package
Gd_ppm_ES_Q Gadolinium, in parts per million by weight, by quantitative direct-current arc emission spectrography
Gd_ppm_ES_SQ Gadolinium, in parts per million by weight, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography
Gd_ppm_GV_CR Gadolinium, in parts per million by weight, by gravimetric classic rock analysis
Gd_ppm_MS_HF Gadolinium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion
Gd_ppm_MS_ST Gadolinium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after Na2O2 sinter digestion
Gd_ppm_MS_ST_REE Gadolinium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after Na2O2 sinter digestion, REE package
Gd_ppm_NA Gadolinium, in parts per million by weight, by neutron activation
Gd_ppm_WDX_Fuse Gadolinium, in parts per million by weight, by wavelength-dispersive X-ray fluorescence spectroscopy after LiBO2 or LiBO2-Li2B4O7 fusion