This International Standard 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
DS/ISO 15685:2012 history
2012DS/ISO 15685:2012 Soil quality - Determination of potential nitrification and inhibition of nitrification - Rapid test by ammonium oxidation
2011DS/EN ISO 17076-2:2011 Leather - Determination of abrasion resistance - Part 2: Martindale ball plate method
2008DS/EN 15550:2008 Animal feeding stuffs - Determination of cadmium and lead by graphite furnace atomic absorption spectrometry (GF-AAS) after pressure digestion