Significance and Use

The reliability of the results of any test method depends primarily upon how well the specimens tested represent the original source material or lot. Failure to provide a test specimen which accurately represents the lot from which it is drawn will produce misleading test results regardless of the accuracy and precision of the test method.

1. Scope

1.1 This practice covers procedures for taking a lot sample of cotton fibers, from a designated source (lot), and reducing the lot sample through a series of steps to produce test specimens that are representative of the source and suitable for the determination of fiber properties according to established procedures.

1.2 This practice has been used extensively for commercial acceptance testing of cotton fibers as well as for arbitration testing and research.

Note 1This practice is used in taking samples of cotton for testing by Test Methods D1440 , D1442 , D1445 , D1447 , D1448 , D1464 , , D2812 , D5866 and D5867 .

1.3 The procedures do not cover the selection of samples for the determination of moisture. Special handling and protection of the sample from the prevailing atmosphere required for samples taken for the determination of moisture are not provided for in this practice. See Test Method D2495 .

1.4 The values stated in SI units are to be regarded as standard. No other units of measure are included in this standard.

1.5 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.

2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

D123 Terminology Relating to Textiles

D1440 Test Method for Length and Length Distribution of Cotton Fibers (Array Method)

D1442 Test Method for Maturity of Cotton Fibers (Sodium Hydroxide Swelling and Polarized Light Procedures)

D1445 Test Method for Breaking Strength and Elongation of Cotton Fibers (Flat Bundle Method)

D1447 Test Method for Length and Length Uniformity of Cotton Fibers by Photoelectric Measurement

D1448 Test Method for Micronaire Reading of Cotton Fibers

D1464 Practice for Differential Dyeing Behavior of Cotton

D1776 Practice for Conditioning and Testing Textiles

D2480 Test Method for Maturity Index and Linear Density of Cotton Fibers by the Causticaire Method

D2495 Test Method for Moisture in Cotton by Oven-Drying

D2812 Test Method for Non-Lint Content of Cotton

D5866 Test Method for Neps in Cotton Fibers (AFIS-N Instrument)

D5867 Test Methods for Measurement of Physical Properties of Raw Cotton by Cotton Classification Instruments

D7139 Terminology for Cotton Fibers

Keywords

cotton; fibers; sampling ;

ICS Code

ICS Number Code 59.060.10 (Natural fibres)

DOI: 10.1520/D1441-12

ASTM International is a member of CrossRef.

ASTM D1441