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Determination of iron: In the presence of chromium and titanium with the jones reductor

Industrial and Engineering Chemistry

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Abstract

Sulfuric acid solutions of titanous and chromous sulfates, obtained by passage through the Jones reductor, are oxidized by aeration for from 5 to 10 minutes in the presence of a trace of copper sulfate as a catalyst. Ferrous sulfate is essentially unoxidized and is titrated with permanganate after aeration. Best results are obtained by using 0.0003 millimole of copper sulfate in about 300 ml. of solution. Larger quantities of copper sulfate lead to slightly low results when both chromium and titanium are present.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Determination of iron: In the presence of chromium and titanium with the jones reductor
Series title:
Industrial and Engineering Chemistry
Volume
15
Issue:
6
Year Published:
1943
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Industrial and Engineering Chemistry
First page:
387
Last page:
388