Rubber — Determination of metal content by atomic absorption spectrometry — Part 5: Determination of iron content

This document specifies an atomic absorption spectrometric method for the determination of the iron content of rubbers. The method is applicable to raw rubber, rubber products and latex having iron contents of 5 mg/kg to 1 000 mg/kg. Higher concentrations can be determined, provided that suitable adjustments are made to the mass of the test portion and/or the concentrations of the solution used.

Caoutchouc — Dosage du métal par spectrométrie d'absorption atomique — Partie 5: Dosage du fer

General Information

Status
Published
Publication Date
30-Jul-2018
Current Stage
9093 - International Standard confirmed
Completion Date
05-Jan-2024
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ISO 6101-5:2018 - Rubber -- Determination of metal content by atomic absorption spectrometry
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Standards Content (Sample)

INTERNATIONAL ISO
STANDARD 6101-5
Third edition
2018-07
Rubber — Determination of metal
content by atomic absorption
spectrometry —
Part 5:
Determination of iron content
Caoutchouc — Dosage du métal par spectrométrie d'absorption
atomique —
Partie 5: Dosage du fer
Reference number
ISO 6101-5:2018(E)
©
ISO 2018

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ISO 6101-5:2018(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2018
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
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Published in Switzerland
ii © ISO 2018 – All rights reserved

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ISO 6101-5:2018(E)

Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Reagents . 2
6 Apparatus . 2
7 Sampling . 3
8 Procedure. 3
8.1 Preparation of test portion . 3
8.2 Preparation of test solution . 4
8.2.1 Destruction of organic matter . 4
8.2.2 Dissolution of inorganic residue using hydrochloric acid . 4
8.2.3 Dissolution of inorganic residue using nitric acid — Alternative method . 4
8.3 Preparation of the calibration curves . 4
8.3.1 Preparation of standard calibration solutions . 4
8.3.2 Spectrometric measurements . 5
8.3.3 Plotting the calibration curves . 5
8.4 Determination . 5
8.4.1 Spectrometric measurements .
...

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