ISO 15685:2012 Preview
Soil quality -- Determination of potential nitrification and inhibition of nitrification -- Rapid test by ammonium oxidation
This standard was last reviewed and confirmed in 2017. Therefore this version remains current.
ISO 15685:2012 specifies a rapid method for the determination of the potential rate of ammonium oxidation and inhibition of nitrification in soils. This method is suitable for all soils containing a population of nitrifying microorganisms. It can be used as a rapid screening test for monitoring soil quality and quality of wastes, and is suitable for testing the effects of cultivation methods, chemical substances [except volatiles i.e. H > 1 (Henry's constant)], extracts of biosolids and pollution in soils.
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