AGDB measured parameter: Tl_ppm_ES_SQ

Thallium, 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 Tl

Parameter Description
Tl_ppm_AA_F_HF Thallium, in parts per million by weight, by flame-atomic absorption spectrophotometry after multi-acid digestion with HF
Tl_ppm_AA_GF_HF Thallium, in parts per million by weight, by graphite furnace-atomic absorption spectrophotometry after multi-acid digestion with HF and HBr-Br2
Tl_ppm_AA_GF_ST Thallium, in parts per million by weight, by graphite furnace-atomic absorption spectrophotometry after Na2O2 sinter digestion
Tl_ppm_AES_AR_P Thallium, in parts per million by weight, by inductively coupled plasma-atomic emission spectroscopy after partial digestion with aqua regia
Tl_ppm_ES_Q Thallium, in parts per million by weight, by quantitative direct-current arc emission spectrography
Tl_ppm_ES_SQ Thallium, in parts per million by weight, by semi-quantitative visual 6-step or direct reader direct-current arc emission spectrography
Tl_ppm_MS_AR_P Thallium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after partial digestion with aqua regia
Tl_ppm_MS_HF Thallium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after HF-HCl-HNO3-HClO4 digestion
Tl_ppm_MS_ST Thallium, in parts per million by weight, by inductively coupled plasma-mass spectroscopy after Na2O2 sinter digestion