ISO 17992:2013

INTERNATIONAL ISO
STANDARD 17992
First edition
2013-09-15
Iron ores — Determination of arsenic
content — Hydride generation atomic
absorption spectrometric method
Minerais de fer — Dosage de l’arsenic — Méthode par spectrométrie
d’absorption atomique à génération d’hydrure
Reference number
ISO 17992:2013(E)
©
ISO 2013

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ISO 17992:2013(E)

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ii © ISO 2013 – All rights reserved

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ISO 17992:2013(E)

Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Principle . 1
4 Reagents . 1
5 Apparatus . 3
6 Sampling and samples . 4
6.1 Laboratory sample . 4
6.2 Preparation of predried test samples . 4
7 Procedure. 4
7.1 Number of determinations . 4
7.2 Test portion . 4
7.3 Blank test and check test . 4
7.4 Determination . 5
8 Expression of results . 7
8.1 Calculation of mass fraction of arsenic content . 7
8.2 General treatment of results . 7
8.3 Oxide factor .10
9 Test report .
...