标准号:ISO 5498-1981
中文标准名称:农产食品 粗纤维含量的测定 一般方法
英文标准名称:Agricultural food products; Determination of crude fibre content; General method
标准类型:X10
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:X10
国际标准分类号:67.050
适用范围:The method consists in boiling with sulphuric acid solution (after any necessary grinding and defatting), and separation and washing of the insoluble residue. Boiling this residue with sodium hydroxide solution, then separation, washing, drying and weighing of the insoluble residue, and determination of the loss in mass on incineration. An annex A specifies methods of extraction of fatty substances. An annex B gives various devices for the separation of crude fibre and supplementary information on the procedures for their use.