BSI BS 2690-105:1983

Withdrawn Revision
Methods of testing water used in industry -- Soluble phosphate and organophosphorus compounds

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A newer publication replaces it: BSI BS 6068-2-2.28


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BSI BS 2690-105:1983

Methods of testing water used in industry -- Soluble phosphate and organophosphorus compounds

PUBLISH DATE 1983
BSI BS 2690-105:1983

WITHDRAWN

Orthophosphate by formation of phosphomolybdic acid, reduction to molybdenum blue, and spectrophotometric measurement.

Condensed phosphates by prior hydrolysis to orthophosphate.

Organophosphorus compounds by prior oxidation to orthophosphate and condensed phosphates.

All three methods applicable to up to 100 μg of PO4 in up to 50 mL.

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