AGDB measured parameter: Gd_ppm_GV_CR

Gadolinium, in parts per million by weight, by gravimetric classic rock analysis

Reference for the analytical method

Author Peck, Lee C.
Year 1964
Title Systematic analysis of silicates
Series Bulletin
Issue 1170
Pages iv, 89 p.: ill.; 24 cm
URL http://pubs.er.usgs.gov/publication/b1170
Notes Four folded plates in pocket. Bibliography: p. 88-89.
Organization USGS-BAL

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