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ISO 11050:1993

Wheat flour and durum wheat semolina — Determination of impurities of animal origin

95.99 Withdrawal of Standard   Apr 16, 2020

General information

95.99     Apr 16, 2020

ISO

ISO/TC 34/SC 4

International Standard

67.060  

Scope

The principle of the method described is hydrolysis of a test portion with a solution of hydrochloric acid at boiling point, concentration of the insoluble particles at a water/hydrocarbon interface, separation by filtration on a filter paper or membrane, microscopic examination, and counting under reflected light, of the impurities of animal origin (i.e. insects at all stages of their development, insect fragments, mites and their fragments, and rodent hairs and their fragments). Applies to wheat flours, with or without additives and having an ash yield not exceeding 0,63 % (m/m), and durum wheat semolinas.

Life cycle

NOW

WITHDRAWN
ISO 11050:1993
95.99 Withdrawal of Standard
Apr 16, 2020

REVISED BY

PUBLISHED
ISO 11050:2020

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