Rubber — Determination of metal content by atomic absorption spectrometry — Part 1: Determination of zinc content

This document specifies an atomic absorption spectrometric method for the determination of the zinc content of rubbers. The method is applicable to raw rubber and rubber products having zinc contents at a minimum of 0,05 % (mass fraction). Zinc contents below this limit can be determined, provided that suitable adjustments are made to the mass of the test portion and/or to the concentrations of the solutions used. The use of the standard additions method might lower the bottom limit of detection.

Caoutchouc — Dosage du métal par spectrométrie d'absorption atomique — Partie 1: Dosage du zinc

General Information

Status
Published
Publication Date
28-Nov-2019
Current Stage
9020 - International Standard under periodical review
Start Date
15-Jan-2024
Completion Date
15-Jan-2024
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ISO 6101-1:2019 - Rubber -- Determination of metal content by atomic absorption spectrometry
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Standards Content (Sample)

INTERNATIONAL ISO
STANDARD 6101-1
Third edition
2019-11
Rubber — Determination of metal
content by atomic absorption
spectrometry —
Part 1:
Determination of zinc content
Caoutchouc — Dosage du métal par spectrométrie d'absorption
atomique —
Partie 1: Dosage du zinc
Reference number
ISO 6101-1:2019(E)
©
ISO 2019

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ISO 6101-1:2019(E)

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© ISO 2019
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Published in Switzerland
ii © ISO 2019 – All rights reserved

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ISO 6101-1:2019(E)

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

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