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ISO 7781:2017-ed.5.0
Styrene-butadiene rubber, raw — Determination of soap and organic-acid content
Translate name
STANDARD published on 16.11.2017
The information about the standard:
Designation standards: ISO 7781:2017-ed.5.0
Publication date standards: 16.11.2017
SKU: NS-802457
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 7781:2017-ed.5.0 :
Description / Abstract: ISO 7781:2017 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.
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