NS EN 16651:2015现行
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)
出版：Norwegian Standards (Norges Standardiseringsforbund)
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