Cross References:
ENV 12160:1997
EN 28601:1992
ISO 8601:1988
ISO 8601/Corr.1:1991
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BS 4427-2:1969
Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use-Measurement of pH value of sodium tripolyphosphate
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