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1.1 This test method covers the determination of the amount of moisture present in grease wool, scoured wool, carded wool, garnetted wool, wool top and intermediate wool products, and rovings, by distillation with toluene.
1.2 Equations are given for calculating the amount of water present as moisture content (as-received basis) and moisture regain (dry fiber) basis. The term that corresponds to the basis used in the calculation and report must always be stated.
1.3 This test method is not applicable to material known to contain any steam-distillable, water-soluble matter. If it is suspected that such matter is present, the method should be used with caution.
1.4 Xylene or other solvents should not be substituted for toluene as no other solvents have been evaluated for use in this standard.
Note 1—The determination of moisture in wool by oven-drying is covered in Test Method D1576 and for textile materials in general in Test Methods D2654. A method for sampling wool for the determination of moisture in wool is covered in Practice D2525.
1.5 This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific safety precautionary statements, see Section 8.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D123 Terminology Relating to Textiles
D1060 Practice for Core Sampling of Raw Wool in Packages for Determination of Percentage of Clean Wool Fiber Present
D1576 Test Method for Moisture in Wool by Oven-Drying
D1776 Practice for Conditioning and Testing Textiles
D2258 Practice for Sampling Yarn for Testing
D2525 Practice for Sampling Wool for Moisture
D2654 Test Method for Moisture in Textiles
D3333 Practice for Sampling Manufactured Staple Fibers, Sliver, or Tow for Testing
D4845 Terminology Relating to Wool
E123 Specification for Apparatus for Determination of Water by Distillation
UNSPSC Code 11151508(Wool fibers)
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ASTM D2462-90(1995), Standard Test Method for Moisture in Wool by Distillation With Toluene, ASTM International, West Conshohocken, PA, 1990, www.astm.orgBack to Top