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ISO 5498:1981

Agricultural food products — Determination of crude fibre content — General method

Apr 1, 1981

General information

90.93     Apr 23, 2021

ISO

ISO/TC 34

International Standard

67.050  

French   English  

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 5498:1981
90.93 Standard confirmed
Apr 23, 2021

REVISED BY

ABANDON
ISO/CD 5498

National adoptions

SRPS ISO 5498:1996  
ISS

Agricultural food products — Determination of crude fibre content — General method

90.93   Standard confirmed

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