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

Soil quality - Determination of soil microbial biomass - Part 2: Fumigation-extraction method (ISO 14240-2:1997)

Published date

22-06-2011

Publisher

Comite Europeen de Normalisation

Foreword
Introduction
1 Scope
2 Normative references
3 Definition
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

Gives a method for the determination of microbial biomass of soils by measurement of total extractable organic biomass material mainly from freshly killed microorganisms. It is also applicable to the estimation of microbial nitrogen and ninhydrin-reactive nitrogen in soil.

Committee	CEN/TC 444
DocumentType	Standard
PublisherName	Comite Europeen de Normalisation
Status	Current

Standards	Relationship
I.S. EN ISO 14240-2:2011	Identical
SN EN ISO 14240-2:2011	Identical
NF EN ISO 14240-2 : 2011	Identical
ISO 14240-2:1997	Identical
NEN EN ISO 14240-2 : 2011	Identical
DIN EN ISO 14240-2:2011-09	Identical
UNI EN ISO 14240-2 : 2011	Identical
UNE-EN ISO 14240-2:2011	Identical
NS EN ISO 14240-2 : 2011	Identical
BS EN ISO 14240-2:2011	Identical
NBN EN ISO 14240-2 : 2011	Identical
PN 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)