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Description of ASTM-D6621 2021ASTM D6621-21Redline Standard: Standard Practice for Performance Testing of Process Analyzers for Aromatic Hydrocarbon MaterialsASTM D6621Scope 1.1 This practice serves as a practical guide for the performance testing of process stream analyzers specifically for measuring chemical or physical characteristics of liquid aromatic hydrocarbon materials for production or certification of these materials. The practice may be applicable to other hydrocarbon stream analyzers as well. 1.2 Only external methods (complete substitution of the process stream with a standard) of control sample introduction are included. Internal methods are beyond the scope of this practice. 1.3 Methods for resetting key operational parameters of analyzers to match predefined limits are provided by vendors and are not included in this practice. 1.4 Analyzer validation procedures are covered in Practices D3764 and D6122, not in this practice. 1.5 Procedures for statistically interpreting data from automatic sampling process stream analyzers are outlined. 1.6 The implementation of this practice requires that the analyzer be installed according to APIRP-550 (1),2 and be in agreement with the analyzer supplier’s recommendations. Also, it assumes that the analyzer is designed to monitor the specific material parameter of interest, and that at the time of initial or periodic validation, the analyzer was operating at the conditions specified by the manufacturer and consistently with the primary test method. 1.7 The units of measure used in this practice shall be the same as those applicable to the test primary method used for analyzer validation. 1.8 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. 1.9 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 analyzer; on-line; performance testing; process stream analyzer; ICS Code ICS Number Code 71.040.50 (Physicochemical methods of analysis) DOI: 10.1520/D6621-21 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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