EN ISO 14240-2:2011
Current
The latest, up-to-date edition.
Soil quality - Determination of soil microbial biomass - Part 2: Fumigation-extraction method (ISO 14240-2:1997)
22-06-2011
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) |
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