ASTM D1442 - 06(2019) - Standard Test Method for Maturity of Cotton Fibers (Sodium Hydroxide Swelling and Polarized Light Procedures)

ASTM D1442 - 06(2019)

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

Status : Current   Published : July 2019

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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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5  This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.




Standard NumberASTM D1442 - 06(2019)
TitleStandard Test Method for Maturity of Cotton Fibers (Sodium Hydroxide Swelling and Polarized Light Procedures)
StatusCurrent
Publication Date01 July 2019
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors cotton, maturity
ICS59.060.10
PublisherASTM
FormatA4
DeliveryYes
Pages6
File Size150 KB
Price£40.00


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