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ISO 2647:1973

Wool -- Determination of percentage of medullated fibres by the projection microscope

Üldinfo
Kehtetu alates 21.07.2020
Tegevusala (ICS grupid)
59.060.10 Looduslikud kiud
Direktiivid või määrused
puuduvad
Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
21.07.2020
Põhitekst
01.04.1973
Põhitekst
The method is applicable to woolen and worsted products, at all stages, from raw materials to yarn. It utilizes the same apparatus and technique as that described in ISO/R 137. Since the method of preparation and measurements gives a length-biased sample, the result given by this method is an estimate of the length of medullated fibres as a percentage of the total length of all fibres. It cannot be used to estimate the volume of medullation or fibre density.
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