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B51-14 (R2019) – Boiler, pressure vessel, and pressure piping code

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ISO 5498:1981

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

CDN $129.00

SKU: 6a02dd57f263 Category:

Description

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

Published Date

1981-04-01

Status

PUBLISHED

Pages

8

Language Detail Icon

English

Format Secure Icon

Secure PDF

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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