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Glavni meni

ISO/CD 8215

Surface active agents — Washing powders — Determination of total silica content — Gravimetric method

Опште информације

30.00     14. 3. 2025.

ISO

ISO/TC 91

Međunarodni standard

Apstrakt

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.

Životni ciklus

PRETHODNO

OBJAVLJEN
ISO 8215:1985

TRENUTNO

PROJEKAT
ISO/CD 8215
30.00 Evidentiranje nacrta komisije standarda
14. 3. 2025.