ISO 1689:1976
Current
The latest, up-to-date edition.
Sodium and potassium silicates for industrial use — Calculation of the ratio : silicon dioxide/sodium oxide or silicon dioxide/potassium oxide
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
English, French
01-02-1976
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.
| 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 |
| NBN T 03 234 : 1980 | Identical |
| UNE 55624:1982 | Not Equivalent |
| UNE 55624:1982 | 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; German version EN 1209:2003 |
| 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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