標準號：ISO 5498-1981
中文標準名稱：農產食品 粗纖維含量的測定 一般方法
英文標準名稱：Agricultural food products; Determination of crude fibre content; General method
標準類型：X10
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：X10
國際標準分類號：67.050
適用范圍：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.