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ISO 2996:1974

Sodium tripolyphosphate and sodium pyrophosphate for industrial use — Determination of particle size distribution by mechanical sieving ISO 2996:1974

Publication date:   Dec 1, 1974

95.99   Withdrawal of Standard   May 27, 2002

General information

95.99   Withdrawal of Standard   May 27, 2002

ISO

ISO/TC 47 Chemistry

International Standard

71.060.50   Salts

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Scope

Details the mechanical sieving of a test portion under fixed conditions by means of a series of circular test sieves and an automatic device, capable of applying to a set. Weighing of each of the fractions.Has also been approved by the IUPAC.

Life cycle

NOW

WITHDRAWN
ISO 2996:1974
95.99 Withdrawal of Standard
May 27, 2002




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