BS ISO 19242:2021 – TC

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Tracked Changes. Rubber. Determination of total sulfur content by ion chromatography

Published By	Publication Date	Number of Pages
BSI	2021	48

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Description

This document specifies a method for the determination of the total sulfur content of raw rubber and unvulcanized or vulcanized rubber compounds by ion chromatography following the preparation of a sample solution using either a tubular furnace combustion or an oxygen combustion flask method.

The tubular furnace combustion method is applicable for rubbers with sulfur content less than 0,1 % as it is possible that the oxygen combustion flask method will not give sufficiently accurate results.

The oxygen combustion flask method is not applicable to rubbers containing a metal salt that forms an insoluble metal sulfate, such as barium sulfate (CAS 7727?43?7).

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PDF Pages	PDF Title
1	30445518
25	A-30433216
26	National foreword
30	Foreword
31	Introduction
33	1 Scope 2 Normative references 3 Terms and definitions
34	4 Principle 4.1 Combustion 4.1.1 Tubular furnace combustion method 4.1.2 Oxygen combustion flask method 4.2 Determination 5 Reagents 6 Apparatus
35	7 Procedure 7.1 Preparation of sample solutions 7.1.1 Tubular furnace combustion method 7.1.2 Oxygen combustion flask method 7.2 Determination of sulfate by ion chromatography 7.2.1 Setting up the ion chromatograph 7.2.2 Measuring calibration solutions 7.2.3 Measuring blank solutions and sample solutions
36	8 Calculations 9 Precision 10 Test report
37	Annex A (normative) Preparation of sample solutions by the tubular furnace combustion method
40	Annex B (normative) Preparation of sample solutions by the oxygen combustion flask method
43	Annex C (informative) Examples of conditions for ion chromatography
45	Annex D (informative) Precision data from an interlaboratory test programme
47	Bibliography

Additional information

Status	Definitive
Pages	48
Publication Date	2021-11-30
ISBN	978 0 539 19715 0
Standard Number	BS ISO 19242:2021 – TC
Title	Tracked Changes. Rubber. Determination of total sulfur content by ion chromatography
Descriptors	Carbon black, Volumetric analysis, Rubber, Determination of content, Test equipment, Sulfur, Compounding ingredients (rubber), Combustion test methods, Plastics and rubber technology, Chemical analysis and testing
Publisher	BSI
Committee	PRI/22
ICS Codes	83.060 - Rubber

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BS ISO 19242:2021 – TC

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