ISO/NP 7781-2

Styrene-butadiene rubber, raw — Determination of soap and organic-acid content — Part 2: Qualitative analysis ISO/NP 7781-2

General information

Current stage: 10.20 New project ballot initiated Jul 2, 2024

Originator: ISO

Owner: ISO/TC 45/SC 3 Raw materials (including latex) for use in the rubber industry

Type: International Standard

Scope

This document specifies a method for the qualitative analysis of the organic acids in raw emulsionpolymerization styrene-butadiene rubber (E-SBR) using a gas chromatograph combined with mass spectrometer (GC-MS).
It is applicable to the identification of fatty acids and rosin acids (including disproportionated rosin acids).
The determination of the soap and organic-acid content of raw styrene-butadiene rubber (SBR) is specified in ISO 7781:2017.

Life cycle

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IN_DEVELOPMENT
ISO/NP 7781-2
10.20 New project ballot initiated
Jul 2, 2024