ISO 20295:2018

INTERNATIONAL ISO
STANDARD 20295
First edition
2018-09
Soil quality — Determination
of perchlorate in soil using ion
chromatography
Qualité du sol — Détermination du perchlorate des sols en utilisant la
chromatographie ionique
Reference number
ISO 20295:2018(E)
©
ISO 2018

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ISO 20295:2018(E)

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Published in Switzerland
ii © ISO 2018 – All rights reserved

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ISO 20295:2018(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Interferences . 2
6 Reagents . 2
7 Apparatus . 5
8 Procedure. 5
8.1 Pre-treatments . 5
8.2 Extraction . 5
8.3 Ion chromatography . 6
8.3.1 General. 6
8.3.2 Calibration . 6
8.3.3 Measurement of perchlorate . 6
9 Quality control . 7
9.1 Performance of the separator column .
...