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ISO

ISO 4313 : 1976

Washing powders — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method

Standard Details

The determination is carried out in the following way: Hydrolysis of polyphosphates by nitric acid. Precipitation of phosphates in the form of quinoline phosphomolybdate in acetone solution. Drying and weighing of the precipitate.

General Information

Status : Published
Standard Type: Main
Document No: ISO 4313 : 1976
Document Year: 1976
Pages: 3
Edition: 1

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ISO 4313 : 1976
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