NF ISO 19730

May 2009

Standard Current

Soil quality - Extraction of trace elements from soil using ammonium nitrate solution

ISO 19730:2008 specifies a method of extracting trace elements from soil using a 1 mol/l NH₄NO₃ solution.

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Main informations

National standards and national normative documents

May 2009

17 p.

NF ISO 19730

13.080.10 Chemical characteristics of soils

X31-445

1 - 09/04/2009

Sumary

Soil quality - Extraction of trace elements from soil using ammonium nitrate solution

ISO 19730:2008 specifies a method of extracting trace elements from soil using a 1 mol/l NH₄NO₃ solution.

Table of contents

Avant-propos
iv
Introduction
v
1 Domaine d'application
1
2 Références normatives
1
3 Principe
1
4 Réactifs
1
5 Appareillage
2
6 Mode opératoire
3
6.1 Préparation de l'échantillon
3
6.2 Détermination de la teneur en eau
3
6.3 Extraction
3
6.4 Séparation des phases
3
6.5 Stabilisation de l'extrait
3
6.6 Essai à blanc
3
7 Calcul
4
8 Expression des résultats
5
9 Rapport d'essai
5
Annexe A (informative) Informations relatives à la méthode de détermination des éléments choisis et de traitement de types de sol particuliers
6
Annexe B (informative) Fidélité
7
Annexe C (informative) Notes relatives à l'homogénéisation, à la masse et à l'extraction de l'échantillon initial
9
Bibliographie
10

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