ASTM-D1442 › Standard Test Method for Maturity of Cotton Fibers (Sodium Hydroxide Swelling and Polarized Light Procedures)
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Scope
1.1 This test method covers the determination of the percentage of mature fibers in a sample of loose, chemically untreated cotton fibers, whether taken before processing or unravelled from a textile product.
1.2 This test method gives two optional procedures for determining maturity, as follows:
1.2.1 Procedure 1--Sodium Hydroxide Swelling.
1.2.2 Procedure 2--Polarized Light.
Note 1--For other test methods for the determination of maturity of cotton fibers refer to Test Methods D1464 and D2480.
1.3 The values stated in SI units are to be regarded as standard. No other units of measure are included in this standard.
1.4 This standard does not purport to address all of the safety concerns, if any, 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.
Keywords
cotton; maturity; ICS Number Code 59.060.10 (Natural fibres)
To find similar documents by ASTM Volume:
07.01 (Textiles (I): D76 - D4391)
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Document Number
ASTM-D1442-06R19
Revision Level
2006 R19 EDITION
Status
Current
Modification Type
Revision
Publication Date
July 1, 2019
Document Type
Test Method
Page Count
6 pages
Committee Number
D13.11