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BS 4427-11:1983 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use. Separation by column chromatography and determination of the different phosphate forms
standard by BSI Group, 02/28/1983
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Determination of ortho-, pyro- and tripolyphosphates, and higher condensed phosphate forms, in the absence of tetra- and penta-metaphosphates. To be read in conjunction with BS 4427-10:1976Cross References:
BS 410
BS 3978
BS 4427:Part 8
BS 4427:Part 10