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Nephelometric determination of fluorine

Industrial and Engineering Chemistry

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Abstract

Fluorine in minerals may be determined with the nephelometer to about 1 per cent of the fluorine. The determination is made on an aliquot of the sodium chloride solution of the fluorine, obtained by the Berzelius method of extraction. The fluorine is precipitated as colloidal calcium fluoride in alcoholic solution, gelatin serving as a protective colloid. Arsenates, sulfates, and phosphates, which interfere with the determination, must be removed.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Nephelometric determination of fluorine
Series title:
Industrial and Engineering Chemistry
Volume
8
Issue:
4
Year Published:
1936
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
248
Last page:
252
Number of Pages:
5