717808

ISO 3946:1982

Starches and derived products -- Determination of total phosphorus content -- Spectrophotometric method

standard by International Organization for Standardization , 12/01/1982

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Full Description

Destruction of the organic substances by digestion with a sulpho-nitric mixture and conversion of phosphates to orthophosphates. Formation of a phosphomolybdate. Measurement of the intensity of the blue colour at a wavelength of 825 nm. The method applies to contents up to 5 % (m/m).

 

Product Details

Published:
12/01/1982
Number of Pages:
3
File Size:
1 file , 780 KB
Same As:
BS EN ISO 3946:1994, BS EN ISO 3946:1994
Note:
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