标准编号:ISO 25475:2016
中文名称:肥料 氨氮的测定
英文名称:Fertilizers — Determination of ammoniacal nitrogen
发布日期:2016-04
标准范围
This International Standard specifies a method for the determination of the ammoniacal nitrogencontent in fertilizers. The method is applicable to all nitrogenous fertilizers including compoundfertilizers, in which nitrogen is found exclusively either in the form of ammonium salts or ammoniumsalts together with nitrates.This International Standard is not applicable to fertilizers containing urea, cyanamide or other organicnitrogenous compounds.