BS 4427-10:1976 : Title: Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use Determination of total phosphorus (V) oxide content: quinoline phosphomolybdate gravimetric method Pages: 10 Year: Publisher: British Standards Institution Availability: Within 1-2 working days
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