Norm

ISO 3706:1976 en

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

31,57

Over deze norm

Status Definitief
Aantal pagina's 3
Gepubliceerd op 01-11-1976
Taal Engels
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.

Details

ICS-code 67.220.20
71.060.30
Nederlandse titel Phosphoric acid for industrial use (including foodstuffs) - Determination of total phosphorus (V) oxide content - Quinoline phosphomolybdate gravimetric method
Engelse titel Phosphoric acid for industrial use (including foodstuffs) - Determination of total phosphorus (V) oxide content - Quinoline phosphomolybdate gravimetric method

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