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

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Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, French

Published date

01-02-1976

Publisher

International Organization for Standardization

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.

Committee	ISO/TC 47
DocumentType	Standard
Pages	2
PublisherName	International Organization for Standardization
Status	Current

Standards	Relationship
PN ISO 1689 : 2000	Identical
NBN EN 1209 : 2004	Identical
UNE 55624:1982	Identical
NBN T 03 234 : 1980	Identical

EN 1209:2003	Chemicals used for treatment of water intended for human consumption - Sodium silicate
DIN EN 1209:2004-03	Chemicals used for treatment of water intended for human consumption - Sodium silicate
BS EN 1209:2003	Chemicals used for treatment of water intended for human consumption. Sodium silicate

ISO 1690:1976	Sodium and potassium silicates for industrial use — Determination of silica content — Gravimetric method by insolubilization
ISO 1692:1976	Sodium and potassium silicates for industrial use — Determination of total alkalinity — Titrimetric method
ISO 1691:1976	Sodium and potassium silicates for industrial use — Determination of carbonates content — Gas-volumetric method

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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

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