ISO 8215:1985
Current
The latest, up-to-date edition.
Surface active agents — Washing powders — Determination of total silica content — Gravimetric method
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English, French
12-12-1985
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From a test portion all ethanol-soluble matter is removed by extraction with ethanol. The solution of the ethanol-insoluble residue is treated with hydrochloric acid and evaporated to dryness. The residue is dissolved in water and the operations are repeated twice. From the solution obtained after this operations the precipitate is filtered, washed, heated to 900 °C and weighed.
| Committee |
ISO/TC 91
|
| DevelopmentNote |
Also numbered as BS 3762-3.21(1986) (07/2005) This standard was just updated in our system however it was originally released on 01-2019
|
| DocumentType |
Standard
|
| Pages |
3
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| PN ISO 8215 : 2000 | Identical |
| NF ISO 8215 : 1986 | Identical |
| NBN T 63 160 : 1987 | Identical |
| NEN ISO 8215 : 1986 | Identical |
| UNE 55837:1987 | Identical |
| BS 3762-0:1991 | Analysis of formulated detergents General introduction |
| BS 3762-0:1989 | Analysis of formulated detergents Introduction and general methods |
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