Aktivní norma | Vydána: 01.12.1973

ISO 2869:1973

Surface active agents — Detergents — Anionic-active matter hydrolyzable under alkaline conditions — Determination of hydrolyzable and non-hydrolyzable anionic-active matter
(Agents de surface — Détergents — Matiere active anionique hydrolysable en milieu alcalin — Détermination de la matiere active anionique hydrolysable et non hydrolysable)

Dostupné jazyky: Anglicky, Francouzsky

Dostupné provedení: Elektronické PDF, Tištěné

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Podrobné informace

Označení: ISO 2869:1973

Datum vydání: 01.12.1973

Stran: 2

Země: Mezinárodní technická norma

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Anotace

Description / Abstract: The determination is carried out as follows: Titration of an aliquiot portion of a sample solution with benzethonium chloride solution according to the direct two-phase titration procedure describes in ISO 2271. Hydrolysis by refluxing under alkaline conditions of a second aliquot portion of the sample solution. Titration of unhydrolyzed anionic-active matter with benzethonium chloride solution as before. Calculation of the contents of hydrolyzable and non-hydrolyzable anionic-active matter from the results obtained.

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