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STANDARD 21268-5
First edition
2023-11
Soil quality — Leaching procedures
for subsequent chemical and
ecotoxicological testing of soil and
soil-like materials —
Part 5:
Batch test with forced aerobic or
anaerobic conditions
Qualité du sol — Modes opératoires de lixiviation en vue d’essais
chimiques et écotoxicologiques ultérieurs des sols et matériaux
analogues au sol —
Partie 5: Essai en bâchée dans des conditions aérobies ou anaérobies
forcées
Reference number
ISO 21268-5:2023(E)
© ISO 2023
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ISO 21268-5:2023(E)
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© ISO 2023
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Published in Switzerland
ii
© ISO 2023 – All rights reserved
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ISO 21268-5:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 3
5 Reagents . 3
6 Apparatus . 4
7 Sample pretreatment .6
7.1 Preparation of laboratory sample and specification of particle size . 6
7.2 Preparation of test sample . 6
7.3 Determination of the dry matter content and of water content . 6
7.4 Preparation of the test portion . 7
8 Procedure .7
8.1 Temperature . 7
8.2 Preparation of leachants . . 8
8.2.1 General . 8
8.2.2 Calcium chloride solution, c(CaCl ) = 0,001 mol/l .
...