Name: UNI EN ISO 14240-2 : 2011
Brand: UNI

SOIL QUALITY - DETERMINATION OF SOIL MICROBIAL BIOMASS - PART 2: FUMIGATION - EXTRACTION METHOD

Published date

07-14-2011

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Principle
5 Materials and reagents
6 Apparatus
7 Fumigation and extraction
8 Determination of carbon in the extracts
9 Precision
Annex A (normative) - Measurement of water-holding
        capacity of soil
Annex B (informative) - Estimation of soil microbial
        biomass in soils containing large amounts of living
        roots - Pre-extraction procedure
Annex C (informative) - Results of an interlaboratory trial
Annex D (informative) - Bibliography

Describes a method for the estimation of microbial biomass of soils by measurement of total extractable organic biomass material mainly from freshly killed microorganisms.

DocumentType	Standard
PublisherName	Ente Nazionale Italiano di Unificazione (UNI)
Status	Current

Standards	Relationship
ISO 14240-2:1997	Identical
EN ISO 14240-2:2011	Identical

ISO 10381-6:2009	Soil quality Sampling Part 6: Guidance on the collection, handling and storage of soil under aerobic conditions for the assessment of microbiological processes, biomass and diversity in the laboratory
ISO 11274:1998	Soil quality Determination of the water-retention characteristic Laboratory methods
ISO 10390:2005	Soil quality Determination of pH
ISO 10694:1995	Soil quality Determination of organic and total carbon after dry combustion (elementary analysis)