NF ISO 14238

NF ISO 14238

October 2012
Standard Cancelled

Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes

This International Standard specifies laboratory procedures for measuring the mineralization and nitrification of nitrogen by the soil microbiota. For investigations on the evaluation of soil quality or on effects of contamination, a procedure is given to measure the rates and extent of N-mineralization in soil or soils of known or unknown quality. For investigation of the potential toxicity of chemicals to N-mineralization in soils, a simple procedure is given which allows the impact of single chemicals to be assessed and provides a basis for comparison of the toxicities of different chemicals.

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Main informations

Collections

National standards and national normative documents

Publication date

October 2012

Number of pages

18 p.

Reference

NF ISO 14238

ICS Codes

13.080.30   Biological properties of soils

Classification index

X31-225

Print number

1 - 09/10/2012

International kinship

ISO 14238:2012
Sumary
Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes

This International Standard specifies laboratory procedures for measuring the mineralization and nitrification of nitrogen by the soil microbiota.

For investigations on the evaluation of soil quality or on effects of contamination, a procedure is given to measure the rates and extent of N-mineralization in soil or soils of known or unknown quality.

For investigation of the potential toxicity of chemicals to N-mineralization in soils, a simple procedure is given which allows the impact of single chemicals to be assessed and provides a basis for comparison of the toxicities of different chemicals.

Replaced standards (1)
FD ISO 14238
June 1997
Published document Cancelled
Soil quality. Biological methods. Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes.

Standard replaced by (1)
NF EN ISO 14238
February 2014
Standard Current
Soil quality - Biological methods - Determination of nitrogen mineralization and nitrification in soils and the influence of chemicals on these processes

<p>This International Standard specifies laboratory procedures for measuring the mineralization and nitrification of nitrogen by the soil microbiota.</p> <p>For investigations on the evaluation of soil quality or on effects of contamination, a procedure is given to measure the rates and extent of N-mineralization in soil or soils of known or unknown quality.</p> <p>For investigation of the potential toxicity of chemicals to N-mineralization in soils, a simple procedure is given which allows the impact of single chemicals to be assessed and provides a basis for comparison of the toxicities of different chemicals.</p>

Table of contents
View the extract
  • Avant-propos
    iv
  • Introduction
    v
  • 1 Domaine d'application
    1
  • 2 Références normatives
    1
  • 3 Termes et définitions
    1
  • 4 Principe
    2
  • 5 Matériaux
    2
  • 5.1 Sols
    2
  • 5.2 Produits et réactifs
    3
  • 5.3 Substance d'essai
    3
  • 6 Appareillage
    4
  • 7 Modes opératoires
    4
  • 7.1 Options expérimentales
    4
  • 7.2 Traitement des sols
    5
  • 7.3 Incubation des sols
    5
  • 7.4 Prélèvement des sols pour les essais
    6
  • 7.5 Extraction des sols
    6
  • 7.6 Analyses
    7
  • 8 Expression des résultats
    7
  • 8.1 Essai de minéralisation de base
    7
  • 8.2 Essais de toxicité
    7
  • 9 Rapport d'essai
    8
  • Annexe A (informative) Détermination de la capacité de rétention d'eau du sol
    10
  • Bibliographie
    12
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