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ISO 2869:1973

Surface active agents — Detergents — Anionic-active matter hydrolyzable under alkaline conditions — Determination of hydrolyzable and non-hydrolyzable anionic-active matter
1. 12. 1973.

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90.93     29. 8. 2022.

ISO

ISO/TC 91

Međunarodni standard

71.100.40  

francuski   engleski  

Kupovina

Objavljen

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Apstrakt

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.

Životni ciklus

TRENUTNO

OBJAVLJEN
ISO 2869:1973
90.93 Odluka o potvrđivanju standarda
29. 8. 2022.

Nacionalna preuzimanja

SRPS ISO 2869:1996  
ISS

Površinski aktivne materije - Deterdženti - Anjonaktivne materije koje hidrolizuju u alkalnoj sredini - Određivanje hidrolizujućih i nehidrolizujućih anjonaktivnih materija (identičan sa ISO 2869:1973)

90.93   Odluka o potvrđivanju standarda

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