AGDB measured parameter: Hf_ppm_ES_SQ

Hafnium, 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 Hf

Parameter Description
Hf_ppm_ES_SQ Hafnium, in parts per million by weight, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography
Hf_ppm_MS_AR_P Hafnium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia
Hf_ppm_MS_HF Hafnium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion
Hf_ppm_MS_ST Hafnium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after Na2O2 sinter digestion
Hf_ppm_MS_ST_REE Hafnium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after Na2O2 sinter digestion, REE package
Hf_ppm_NA Hafnium, in parts per million by weight, by neutron activation