CEN, the European Standardisation Organisation, published European Standard EN 16328:2012 during December.
This standard is entitled “Fertilisers – Determination of 3,4-dimethyl-1H-pyrazole phosphate (DMPP) – Method using high performance liquid chromatography (HPLC).
The method applies to measuring the DMPP content of mineral nitrogen-containing fertilisers. DMPP is a nitrification inhibitor suitable for use with a range of common nitrogen fertilisers. It will be used to enforce European Regulation (EC) 2003/2003 which covers test methods for fertilisers. DMPP will be added to the list of products covered by this Regulation and will be included an amendment to this Regulation.
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