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ISO 7781:2008

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

standard by International Organization for Standardization , 04/01/2008

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ISO 7781:2008 specifies 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 autotitrator or pH-meter.

The methods depend on the extraction of the organic acids and soaps from the rubber by means of a specified solvent. In practice, therefore, it is convenient to determine both organic-acid and soap contents on separate portions of the same solvent extract. 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.

 

Product Details

Published:
04/01/2008
File Size:
1 file , 160 KB
Same As:
BS ISO 7781:2008, BS ISO 7781:2008
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This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. ISO 7781:2017


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

    • Most Recent

  2. ISO 7781:2008

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

    • Historical Version

  3. ISO 7781:2001


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

    • Historical Version