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Description of ASTM-D5666 2023ASTM D5666-95-Reapproved2023Active Standard: Standard Test Method for Rubber Chemical Antidegradants—Purity of p-Phenylenediamine (PPD) Antidegradants by High Performance Liquid ChromatographyASTM D5666Scope 1.1 This test method covers the purity of Type I, II, and III p-phenylenediamine (PPD) antidegradants as described in Classification D4676 by high performance liquid chromatography (HPLC) using ultraviolet detection and external standard calculations. 1.2 Expertise in HPLC is necessary to the successful application of this test method. 1.3 The values stated in SI units are to be regarded as standard. No other units of measurement 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. Keywords antidegradant; high performance liquid chromatography; N-isopropl-N`-phenyl-p-phenylenediamine (IPPD); N-(1, 3 dimethylbutyl)-N`-phenyl-p-phenylenediamine (6PPD); N, N` bis-(1, 4-dimethylpentyl)-p-phenylenediamine (77PD); N, N`-ditolyl-p-phenylenediamine (DTPD); p-phenylenediamine (PPD) ; ICS Code ICS Number Code 71.100.45 (Refrigerants and antifreezes) DOI: 10.1520/D5666-95R23 This 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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