Active standard | Published: 01/04/1981

ISO 5498:1981

Agricultural food products — Determination of crude fibre content — General method
(Produits agricoles alimentaires — Détermination de l´indice d´insoluble dit "cellulosique" — Méthode générale)

Available languages: English, French

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 5498:1981

Publication date: 01/04/1981

Pages: 8

Country: International technical standard

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Anotation

Description / Abstract: 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.

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