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ASTM E1747

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

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Organization: ASTM
Publication Date: 10 September 1995
Status: active
Page Count: 6
ICS Code (Gases for industrial application): 71.100.20
scope:

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.

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 (CO2) 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 CO2 product offerings to be compared on an equal purity basis.

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.

The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

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 limitations prior to use.

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.

Document History

ASTM E1747
September 10, 1995
Standard Guide for Purity of Carbon Dioxide Used in Supercritical Fluid Applications
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...
September 10, 1995
Standard Guide for Purity of Carbon Dioxide Used in Supercritical Fluid Applications
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...
September 10, 1995
Standard Guide for Purity of Carbon Dioxide Used in Supercritical Fluid Applications
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 E 1449 for definitions of terms). This...
September 10, 1995
Standard Guide for Purity of Carbon Dioxide Used in Supercritical Fluid Applications
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 E 1449 for definitions of...
January 1, 1995
Standard Guide for Purity of Carbon Dioxide Used in Supercritical Fluid Applications
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 E 1449 for definitions of...

References

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