ASTM-D2505 Historical Revision Information
Standard Test Method for Ethylene, Other Hydrocarbons, and Carbon Dioxide in High-Purity Ethylene by Gas Chromatography

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Standard Test Method for Ethylene, Other Hydrocarbons, and Carbon Dioxide in High-Purity Ethylene by Gas Chromatography


1.1 This test method covers the determination of carbon dioxide, methane, ethane, acetylene, and other hydrocarbons in high-purity ethylene. Hydrogen, nitrogen, oxygen, and carbon monoxide are determined in accordance with Test Method D2504. The percent ethylene is obtained by subtracting the sum of the percentages of the hydrocarbon and nonhydrocarbon impurities from 100. The method is applicable over the range of impurities from 1 to 500 parts per million volume (ppmV).

1.2 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems 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. For some specific hazard statements, see Section 6.

1.3 The values stated in acceptable metric units are to be regarded as the standard. The values in parentheses are for information only.

Significance and Use

High-purity ethylene is required as a feedstock for some manufacturing processes, and the presence of trace amounts of carbon dioxide and some hydrocarbons can have deleterious effects. This method is suitable for setting specifications, for use as an internal quality control tool and for use in development or research work.


carbon dioxide; ethane, ethylene; gas chromatography; hydrocarbons; methane; ICS Number Code 71.080.10 (Aliphatic hydrocarbons)

To find similar documents by ASTM Volume:

05.01 (Petroleum Products and Lubricants (I): D56 - D3710)

To find similar documents by classification:

71.080.10 (Aliphatic hydrocarbons)

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Document Number


Revision Level

1988 R04(E1) EDITION



Modification Type

Reapproval with Ed Change

Publication Date

Nov. 1, 2004

Document Type

Test Method

Page Count

7 pages

Committee Number