ISO 1689:1976
Current
Current
Sodium and potassium silicates for industrial use — Calculation of the ratio : silicon dioxide/sodium oxide or silicon dioxide/potassium oxide
Available format(s)
Hardcopy , PDF
Language(s)
English, French
Published date
02-01-1976
US$63.00
Excluding Tax where applicable
Summarise this standard
AI-generated summary
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 |
US$63.00
Excluding Tax where applicable