Reference number
ISO 6541:1981
ISO 6541:1981
© ISO 2025
International Standard
ISO 6541:1981
Agricultural food products — Determination of crude fibre content — Modified Scharrer method
Edition 1
1981-06
1981-06
ISO 6541:1981
12936
Published
(Edition 1, 1981)
This publication was last reviewed and confirmed in 2021.
Therefore this version remains current.
Abstract
The method is applicable to cereals and cereal products as well as to certain products containing less the 1 % of crude fibre. It consists in boiling with a mixture of acetic acid, nitric acid and trichloroacetic acid (after any necessary grinding and defatting). Then separation and washing of the insoluble residue on a filter crucible. Drying and weighing of the insoluble residue, and determination of the loss of mass on incineration.