标准号:ISO 5313-1986
中文标准名称:高氮量纯硝酸铵肥料.油保留值测定法
英文标准名称:High nitrogen content, straight ammonium nitrate fertilizers; Determination or oil retention
标准类型:G20
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:G20
国际标准分类号:65.080
适用范围:The result of the method is a measure for the porosity of the material. The method is applicable to substances which do not contain materials soluble in gas oil and which are prilled or granular. It consists in total immersing of a test portion in gas oil for a specified period, followed by the draining away and the removal of surplus gas oil under specified conditions, and measuring of the increase in mass of the test portion.