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Spectrofluorimetric determination of thallium in silicate rocks with rhodamine b in the presence of aluminum chloride

Analytica Chimica Acta

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Abstract

A sensitive spectrofluorimetric procedure with rhodamine B in the presence of aluminum chloride is given for determining submicrogram and microgram quantities of thallium in silicate rocks. Samples are decomposed with a mixture of hydrofluoric and nitric acids and then treated with hydrochloric acid. Thallium is extracted as its dithizonate with chloroform from an alkaline medium containing ascorbate, citrate, and cyanide and then back-extracted with dilute nitric acid. After destruction of the organic matter and treatment with bromine, hydrochloric acid, aluminum chloride, and rhodamine B, the {A table is presented}. ?? 1975.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Spectrofluorimetric determination of thallium in silicate rocks with rhodamine b in the presence of aluminum chloride
Series title:
Analytica Chimica Acta
Volume
79
Issue:
C
Year Published:
1975
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Analytica Chimica Acta
First page:
101
Last page:
108
Number of Pages:
8