BSI - BS 4427-3
Methods of test for sodium tripolyphosphate (
inactive
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| Organization: | BSI |
| Publication Date: | 28 February 1969 |
| Status: | inactive |
| ICS Code (Salts): | 71.060.50 |
scope:
2,2'-Bipyridyl method applicable to sample, containing more than 0.001 per cent of iron.
Document History
September 29, 1989
Methods of Test for Sodium Tripolyphosphate (Pentasodium Triphosphate) and Sodium Pyrophosphate (Tetrasodium Pyrophosphate) for Industrial Use - Part 3: Condensed Phosphates for Industrial Use (Including Foodstuffs): Determination of Iron Content
1,10-phenanthroline spectrometric method, applicable to products with iron contents of not less than 2 mg/kg.
BS 4427-3
February 28, 1969
Methods of test for sodium tripolyphosphate (
2,2'-Bipyridyl method applicable to sample, containing more than 0.001 per cent of iron.