Chemical tests for raw and vulcanized rubber Determination of free sulfur

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

10-12-2002

Publisher

British Standards Institution

Committees responsible
National foreword
Introduction
Method
1 Scope
2 Normative references
3 Principle
4 Limitations
5 Copper spiral method A
6 Copper spiral method B
7 Sulfite method
8 Test report
Annex
A (normative) Determination of free-sulfur content-
    Effect of various commercial accelerators on the
    copper spiral and sulfite methods of analysis
Figures
1 Typical apparatus for extraction of free sulfur
    by copper spiral method A
2 Typical apparatus for determination of free sulfur
    by copper spiral method A
3 Typical apparatus for determination of free sulfur
    by copper spiral method B

Specifies three methods for the determination of free sulfur in vulcanized rubber: two versions of the copper spiral method, and the sodium sulfite method.

1.1 This International Standard specifies three methods for the determination of free sulfur in vulcanized rubber: two versions of the copper spiral method, and the sodium sulfite method.

1.2 The copper spiral methods are also applicable, subject to the limitations described in clause 4, to unvulcanized compounds.

1.3 Annex A gives a table listing the sulfur contribution, as a percentage by mass, to these free-sulfur methods for various commercial accelerators.

Committee	PRI/22
DevelopmentNote	Supersedes BS 7164-24(1990). Also numbered as ISO 7269. (12/2002) Reviewed and confirmed by BSI, September 2010. (08/2010)
DocumentType	Standard
Pages	16
PublisherName	British Standards Institution
Status	Current
Supersedes	BS 7164-24:1990

ISO 383:1976	Laboratory glassware — Interchangeable conical ground joints
ISO 1407:2011	Rubber — Determination of solvent extract

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BS 7164-24:1996

Chemical tests for raw and vulcanized rubber Determination of free sulfur

Table of Contents

Abstract

Scope

General Product Information

Standards Referencing This Book

Category

Subcategory