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Description of ASTM-E1747 2011ASTM E1747 - 95(2011)Standard Guide for Purity of Carbon Dioxide Used in Supercritical Fluid ApplicationsActive Standard ASTM E1747 | Developed by Subcommittee: E13.19 Book of Standards Volume: 03.06 ASTM E1747Abstract This guide defines purity standards for carbon dioxide to ensure the suitability of liquefied carbon dioxide gas for use in supercritical fluid extraction (SFE) and supercritical fluid chromatography (SFC) applications. This guide defines quantitation, labeling, and statistical standards for impurities in carbon dioxide that are necessary for successful SFE or SFC laboratory work, and it suggests methods of analysis for quantifying these impurities. These contaminants are those components that either cause detector signals that interfere with those of the target analytes or physically impede the SFE or SFC experiment. Also, this guide is provided for use by specialty gas suppliers who manufacture carbon dioxide specifically for SFE or SFC applications. SFE or SFC CO 2 products offered with a claim of adherence to this guide will meet certain absolute purity and contaminant detectability requirements matched to the needs of current SFE or SFC techniques. This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. 1. Scope 1.1 This guide defines purity standards for carbon dioxide to ensure the suitability of liquefied carbon dioxide gas for use in SFE and SFC applications (see Guide E1449 for definitions of terms). This guide defines quantitation, labeling, and statistical standards for impurities in carbon dioxide that are necessary for successful SFE or SFC laboratory work, and it suggests methods of analysis for quantifying these impurities. 1.2 This guide is provided for use by specialty gas suppliers who manufacture carbon dioxide specifically for SFE or SFC applications. SFE or SFC carbon dioxide (CO 2 ) products offered with a claim of adherence to this guide will meet certain absolute purity and contaminant detectability requirements matched to the needs of current SFE or SFC techniques. The use of this guide allows different SFE or SFC CO 2 product offerings to be compared on an equal purity basis. 1.3 This guide considers contaminants to be those components that either cause detector signals that interfere with those of the target analytes or physically impede the SFE or SFC experiment. 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement 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 limitations prior to use.
ASTM Standards D2504 Test Method for Noncondensable Gases in C2 and Lighter Hydrocarbon Products by Gas Chromatography D2820 Test Method for C Through C Hydrocarbons in the Atmosphere by Gas Chromatography D3670 Guide for Determination of Precision and Bias of Methods of Committee D22 D3686 Practice for Sampling Atmospheres to Collect Organic Compound Vapors (Activated Charcoal Tube Adsorption Method) D3687 Practice for Analysis of Organic Compound Vapors Collected by the Activated Charcoal Tube Adsorption Method D4178 Practice for Calibrating Moisture Analyzers D4532 Test Method for Respirable Dust in Workplace Atmospheres Using Cyclone Samplers E260 Practice for Packed Column Gas Chromatography E355 Practice for Gas Chromatography Terms and Relationships E594 Practice for Testing Flame Ionization Detectors Used in Gas or Supercritical Fluid Chromatography E697 Practice for Use of Electron-Capture Detectors in Gas Chromatography E1449 Guide for Supercritical Fluid Chromatography Terms and Relationships E1510 Practice for Installing Fused Silica Open Tubular Capillary Columns in Gas Chromatographs Keywords fluid purity; supercritical carbon dioxide; supercritical fluid chromatography; supercritical fluid extraction ; Carbon dioxide; Purity analysis; SFC (supercritical fluid chromatography); SFE/SFC applications; Supercritical fluid extraction (SFE) ICS Code ICS Number Code 71.100.20 (Gases for industrial application) DOI: 10.1520/E1747-95R11 ASTM International is a member of CrossRef. ASTM E1747This 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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