ISO 4313:1976
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Washing powders — Determination of total phosphorus(V) oxide content — Quinoline phosphomolybdate gravimetric method
| Published By | Publication Date | Number of Pages |
| ISO | 1976-11 | 5 |
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.
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