M00000159
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ISO 3074 2nd Edition, September 1, 2014 Wool - Determination of Dichloromethane-Soluble Matter in Combed Sliver
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Availability date: 07/13/2021
Description / Abstract:
This International Standard specifies a method for determining
the dichloromethane-soluble matter in combed wool sliver. Its use
can be extended to wool in other forms.
It should be recognized that extraction with dichloromethane
under the prescribed conditions does not completely remove all the
fatty material present in a sample of wool. A further amount,
possibly material of similar character, will usually be extracted
by the use of solvents that cause greater swelling of the wool
fibres.
The method is applicable only to 100 % wool products. It can
give misleading results if applied to products in which fibres
other than wool are present.