Reference number
ISO 1688:1976
© ISO 2025
ISO 1688:1976
Sodium and potassium silicates for industrial use — Determination of dry matter — Gravimetric method
Edition 1
1976-02
Withdrawn
Withdrawn (Edition 1, 1976)

Abstract

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.

General information

  • Status
     : Withdrawn
    Publication date
     : 1976-02
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 2
  • Technical Committee :
    ISO/TC 47
    ICS :
    71.060.50 
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