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Polarographic determination of tungsten in rocks

Analytical Chemistry

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Abstract

This work was undertaken to develop a simpler and faster method than the classical gravimetric procedure for the determination of tungsten in rocks and ores. A new polarographic wave of tungsten is obtained in a supporting electrolyte of dilute hydrochloric acid containing tartrate ion. This permits the determination of tungsten both rapidly and accurately. No precipitation of the tungsten is necessary, and only the iron need be separated from the tungsten. The accuracy is within the limits of a polarographic procedure; comparison of polarographic and gravimetric results is given. The method reduces appreciably the amount of time ordinarily consumed in determination of tungsten.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Polarographic determination of tungsten in rocks
Series title:
Analytical Chemistry
Volume
26
Issue:
8
Year Published:
1954
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Analytical Chemistry
First page:
1302
Last page:
1304
Number of Pages:
3