Committee Draft
ISO/CD 8215
Surface active agents — Washing powders — Determination of total silica content — Gravimetric method
Reference number
ISO/CD 8215
Edition 2
© ISO 2025
Committee Draft
Under development
A draft is being reviewed by the committee.
Will replace ISO 8215:1985

Abstract

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.

General information

  • Status
     : Under development
    Stage
    : Committee draft (CD) registered [30.00]
  • Edition
     : 2
  • Technical Committee :
    ISO/TC 91
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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