AGDB measured parameter: Ir_ppm_FA_MS

Iridium, in parts per million by weight, by NiS fire assay and inductively coupled plasma-mass spectroscopy

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 Ir

Parameter Description
Ir_ppm_ES_SQ Iridium, in parts per million by weight, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography
Ir_ppm_FA_ES Iridium, in parts per million by weight, by PbO fire assay and quantitative direct-current arc emission spectrography
Ir_ppm_FA_MS Iridium, in parts per million by weight, by NiS fire assay and inductively coupled plasma-mass spectroscopy
Ir_ppm_NA Iridium, in parts per million by weight, by neutron activation