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ASTM D1442-93

Historical Revision

Standard Test Method for Maturity of Cotton Fibers (Sodium Hydroxide Swelling and Polarized Light Procedures)

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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.


SDO ASTM: ASTM International
Document Number D1442
Publication Date Nov. 10, 2000
Language en - English
Page Count 6
Revision Level 93
Supercedes
Committee D13.11
Publish Date Document Id Type View
June 1, 2006 D1442-06 Revision
Nov. 10, 2000 D1442-93 Revision
Nov. 10, 2000 D1442-00 Revision
June 1, 2024 D1442-06R24 Reaffirmation
July 1, 2019 D1442-06R19 Reaffirmation
July 1, 2012 D1442-06R12 Reaffirmation