Reference number
ISO 1689:1976
International Standard
ISO 1689:1976
Sodium and potassium silicates for industrial use — Calculation of the ratio : silicon dioxide/sodium oxide or silicon dioxide/potassium oxide
Edition 1
1976-02
Read sample
ISO 1689:1976
6305
Published (Edition 1, 1976)
This publication was last reviewed and confirmed in 2023. Therefore this version remains current.

ISO 1689:1976

ISO 1689:1976
6305
Language
Format
CHF 42
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Abstract

The document specifies the formula for the calculation. In this ratio, only sodium oxide and potassium oxide combined in the form of silicates is considered. Replaces ISO Recommendation R 1689-1970.

General information

  •  : Published
     : 1976-02
    : International Standard confirmed [90.93]
  •  : 1
     : 2
  • ISO/TC 47
    71.060.50 
  • RSS updates

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