Washing powders — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method
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Reference:
ISO 4313:1976
Publication Year:
1976
Domain:
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.
21 000 F CFA
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