ISO 7781:2008

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

Published By	Publication Date	Number of Pages
ISO	2008-04	12

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Categories: 83.040.10 - Latex and raw rubber, ISO

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Description

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.

Additional information

Published Code	ISO
Published By	International Organization for Standardization
Publication Date	2008-04
Pages Count	12
Language	English
Edition	4
File Size	61.4 KB
ICS Codes	83.040.10 - Latex and raw rubber

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ISO 7781:2008

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