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ISO 1688:1976

Sodium and potassium silicates for industrial use — Determination of dry matter — Gravimetric method

Feb 1, 1976
95.99   Withdrawal of Standard   May 27, 2002

General information

95.99     May 27, 2002

ISO

ISO/TC 47

International Standard

71.060.50  

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Scope

The principle consists in drying of a test portion in a platinum or silica dish followed by heating to between 600 °C and 650 °C. Weighing of the residue. The maximum deviation between results obtained is 0,6 % (m/m) in absolute value. Replaces ISO Recommendation R 1688-1970.

Life cycle

NOW

WITHDRAWN
ISO 1688:1976
95.99 Withdrawal of Standard
May 27, 2002

National adoptions

SRPS H.B8.315:1977  
ISS

Sodium and potassium silicates for industrial use — Determination of dry matter — Gravimetric method

95.99   Withdrawal of Standard

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