BSI - BS 4258-2
Methods of Test for Phosphoric Acid (Orthophosphoric Acid) for Industrial Use Part 2: Determination of Iron Content
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| Organization: | BSI |
| Publication Date: | 29 September 1989 |
| Status: | active |
| Page Count: | 8 |
| ICS Code (Acids): | 71.060.30 |
scope:
1,10-phenanthroline spectrometric method; applicable to products with iron contents of not less than 20 mg/kg.
Document History
BS 4258-2
September 29, 1989
Methods of Test for Phosphoric Acid (Orthophosphoric Acid) for Industrial Use Part 2: Determination of Iron Content
1,10-phenanthroline spectrometric method; applicable to products with iron contents of not less than 20 mg/kg.
January 31, 1968
Methods of test for phosphoric acid for industrial use. Determination of iron content
Spectrophotometric determination using 2,2'-bipyridyl; acids containing polyphosphoric acid treated as a special case.