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ISO 5498:1981
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Agricultural food products -- Determination of crude fibre content -- General method

This standard has been reviewed* and then confirmed in 2014.

*ISO standards are reviewed every five years.

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.

 

  • Edition: 1 (Monolingual) ICS: 67.050
    Status: Published Stage: 90.93 (2014-01-27)
    TC/SC: ISO/TC 34 Number of Pages: 8
  • No revision information available

  • No corrigenda or amendments available

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