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BSI BS ISO 7781:2017

Styrene-butadiene rubber, raw. Determination of soap and organic-acid content
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BSI BS ISO 7781:2017

Styrene-butadiene rubber, raw. Determination of soap and organic-acid content

PUBLISH DATE 2017
PAGES 18
BSI BS ISO 7781:2017

This document specifies three methods for the determination of the soap and organic-acid content of raw styrene-butadiene rubber (SBR).

  • Method A is the titration method using indicator reagent.

  • Method B is the titration method using an automatic potentiometric titrator.

  • Method C is the back titration method using an automatic potentiometric titrator.

Since the soaps and organic acids present in the rubber are not single chemical compounds, the method gives only an approximate value for the soap and organic-acid content.

SDO BSI: British Standards Institution
Document Number ISO 7781
Publication Date Nov. 28, 2017
Language en - English
Page Count
Revision Level
Supercedes
Committee PRI/22
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