ISO 7725:2020
Rubber and rubber products — Determination of chlorine and bromine content

Standard No.

ISO 7725:2020

Release Date

2020

Published By

International Organization for Standardization (ISO)

Latest

ISO 7725:2020

Scope

This document specifies methods for the determination of chlorine and/or bromine present in raw rubber as well as vulcanized or unvulcanized rubber compounds. The methods are applicable to natural rubbers and to the following synthetic rubbers: isoprene, styrene-butadiene, butadiene, butyl, halogenated butyl, nitrile, ethylene-propylene, chloroprene and epichlorohydrin.

ISO 7725:2020 Referenced Document

• ISO 1795 Rubber, raw natural and raw synthetic - Sampling and further preparative procedures
• ISO 3696 Water for analytical laboratory use; Specification and test methods
• ISO 4661-2 Rubber, vulcanized - Preparation of samples and test pieces - Part 2: Chemical tests

ISO 7725:2020 history

• 2020 ISO 7725:2020 Rubber and rubber products — Determination of chlorine and bromine content
• 1991 ISO 7725:1991 Rubber and rubber products; determination of bromine and chlorine content; oxygen flask combustion technique