DS DS/EN 16075
DS DSEN 16075 2011-DEC-19 Fertlzers - Determnaton of N-2-ntrophenylphosphorc tramde 2-NPT n urea and fertlzers contanng urea - Method usng hgh-performance lqud chromatography HPLC
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This European Standard specifies a method for the determination of N-(2-nitrophenyl)phosphoric triamide (2-NPT) in urea or in fertilizers containing urea using high-performance liquid chromatography (HPLC).