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ISO International Standard

Sodium and potassium silicates for industrial use — Calculation of the ratio : silicon dioxide/sodium oxide or silicon dioxide/potassium oxide

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.

Purchase ISO Standard

  • Publication Date: 1976-02-01
  • Ref: ISO 1689:1976
  • stdNumber: 1689
  • Version: 1
  • Edition: 1
  • Pages: 2

$45.20

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