ISO 1689:1976

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

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ISO 1689:1976

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

PUBLISH DATE 1976
ISO 1689:1976

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.

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