ISO 5498:1981

Status : Published (Under review)

This standard was last reviewed and confirmed in 2021. Therefore this version remains current.

	Format	Language
std 1 61	PDF
std 2 61	Paper

CHF61

Convert Swiss francs (CHF) to your currency

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.

General information

Status
: Published

Publication date
: 1981-04

Stage
: International Standard confirmed [90.93]
Edition
: 1

Number of pages
: 8
Technical Committee :
ISO/TC 34

ICS :
67.050
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