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Document Type

Research

Abstract

When a potassium salt is added to a solution of phosphotungstic acid a characteristic dense, white, difficultly filterable precipitate is formed. The test is as sensitive as any of the tests commonly used; one cc. of a ten percent solution will give an easily distinguishable precipitate with 1 cc. of 0.02 M potassium chloride. Ammonium, which also forms a very insoluble compound, interferes, and must first be removed.

Publication Date

1936

Journal Title

Proceedings of the Iowa Academy of Science

Volume

43

Issue

1

First Page

179

Last Page

179

Copyright

© Copyright 1936 by the Iowa Academy of Science, Inc.

Language

EN

File Format

application/pdf

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