1 Scope
This document specifies references to the methods for the determination of nitrification
inhibitors and urease inhibitors in inorganic fertilizers.
This document is applicable to EU fertilizing products classified as PFC 1(C) and
PFC 7 as long as the blend only consists of EU fertilizing products classified as
PFC 1(C), PFC 2 and PFC 5 as specified in the Regulation (EU) 2019/1009 [1].