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ASTM-E1747:1995 Edition

ASTM-E1747:1995 Edition

$40.63

E1747-95 Standard Guide for Purity of Carbon Dioxide Used in Supercritical Fluid Applications

Published By Publication Date Number of Pages
ASTM 1995 6
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ASTM E1747-95

Historical Standard: Standard Guide for Purity of Carbon Dioxide Used in Supercritical Fluid Applications

ASTM E1747

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 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 the 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.

Keywords

Carbon Dioxide

ICS Code

ICS Number Code n/a

DOI: 10.1520/E1747-95

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