ISO 5498:1981 农产食品.粗纤维含量的测定.通用法
标准编号:ISO 5498:1981
中文名称:农产食品.粗纤维含量的测定.通用法
英文名称:Agricultural food products — Determination of crude fibre content — General method
发布日期:1981-04
标准范围
该方法包括用硫酸溶液煮沸(在任何必要的研磨和脱脂之后),分离和清洗不溶性残留物。用氢氧化钠溶液煮沸残渣,然后分离、洗涤、干燥和称量不溶残渣,并测定焚烧时的质量损失。附录A规定了提取脂肪物质的方法。附录B给出了各种粗纤维分离装置及其使用程序的补充信息。
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.
标准预览图


