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Description of ASTM-D1113 2013ASTM D1113 - 13Standard Test Method for Vegetable Matter and Other Alkali-Insoluble Impurities in Scoured WoolActive Standard ASTM D1113 | Developed by Subcommittee: D13.13 Book of Standards Volume: 07.01 ASTM D1113Significance and Use 5.1 Test Method D1113 is considered satisfactory for acceptance testing of commercial shipments, and the procedure has been used extensively in the trade for this purpose, particularly in connection with the determination of clean wool fiber present by Test Method D584 . The procedure in Test Method D1113 is used by the U.S. Customs Service for the determination of the vegetable matter in importations of raw wool on which the allowance for loss of wool during commercial cleaning is based in part. 3 5.1.1 In case of a dispute arising from differences in reported test results when using Test Method D1113 for acceptance testing of commercial shipments, the purchaser and the supplier should conduct comparative tests to determine if there is a statistical bias between their laboratories. Competent statistical assistance is recommended for the investigation of bias. As a minimum, the two parties should take a group of test specimens that are as homogeneous as possible and that are from a lot of material of the type in question. The test specimens should then be randomly assigned in equal numbers to each laboratory for testing. The average results from the two laboratories should be compared using Students t -test for unpaired data and an acceptable probability level chosen by the two parties before the testing is begun. If a bias is found, either its cause must be found and corrected or the purchaser and the supplier must agree to interpret future test results in light of the known bias. 1. Scope 1.1 This test method covers the determination of the content of oven-dried, ash-free, alcohol extractive-free vegetable matter and other alkali-insoluble impurities present in scoured wool. It is also applicable to related fibers such as the hair from the goat, camel, alpaca, and other animals.
Note 1 The determination of clean wool fiber present on a laboratory scale is covered in Test Method D584 , the
determination of clean wool fiber present on a commercial scale is covered in Test Method D1334 , and the calculation of commercial weight and yield of various commercial compositions
(formerly covered in Appendix to Test Method D584 ) is covered in Practice D2720 .
1.2 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. For specific safety hazard statements, see Section 8 .
ASTM Standards D123 Terminology Relating to Textiles D584 Test Method for Wool Content of Raw Wool--Laboratory Scale D1334 Test Method for Wool Content of Raw Wool--Commercial Scale D2720 Practice for Calculation of Commercial Weight and Yield of Scoured Wool, Top, and Noil for Various Commercial Compositions Keywords alkali solubility; impurity; vegetable matter; wool; ICS Code ICS Number Code 59.060.10 (Natural fibres) DOI: 10.1520/D1113 ASTM International is a member of CrossRef. ASTM D1113This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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