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ISO 137:1975

Wool -- Determination of fibre diameter -- Projection microscope method

General information
Withdrawn from 23.11.2015
Directives or regulations
None
Standard history
Status
Date
Type
Name
23.11.2015
Main
Projection on a screen of the magnified images of the profiles of wool fibre pieces and measurement of their width by means of a graduated scale. The operating technique assures a random sampling of the fibres to be measured. Suitable for wool fibres in any form and also for other fibres of reasonably circular cross-section.
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Standard monitoring