Annex II
United Kingdom
In Annex IV, Section B, to Regulation (EC) No 2003/2003, the following methods are added:
‘Method 12.6
Determination of DMPP
EN 16328: Fertilizers — Determination of 3, 4-dimethyl-1H-pyrazole phosphate (DMPP) — Method using high-performance liquid chromatography (HPLC)
This method of analysis has been ring-tested.
Method 12.7
Determination of NBPT/NPPT
EN 16651: Fertilizers — Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) — Method using high-performance liquid chromatography (HPLC)
This method of analysis has been ring-tested.’