ISO 3706:1976 ✓ Most Recent

717621

Phosphoric acid for industrial use (including foodstuffs) -- Determination of total phosphorus(V) oxide content -- Quinoline phosphomolybdate gravimetric method

standard by International Organization for Standardization , 11/01/1976

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Full Description

Applicable to products whether or not they are homogeneous and whether or not they contain polyphosphoric acids. Specifies preliminary hydrolysis of the polyphosphoric acids by boiling in the presence of hydrochloric acid. The precipitation of the phosphoric acid is carried out in the form of quinoline phosphomolybdate in the presence of acetone. Filtration by a filter crucible, washing, drying and weighing of the precipitate.

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Product Details

Published:

11/01/1976

Number of Pages:

3

File Size:

1 file

Note:

This product is restricted and cannot be purchased in the following countries Ukraine, Russia, Belarus