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

Standard No.

ISO 2996:1974

Release Date

1974

Published By

International Organization for Standardization (ISO)

Status

Withdraw 2002-05

Latest

ISO 2996:1974

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.

ISO 2996:1974 history

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