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Standard Test Method for Determination of Hydrocarbon Impurities in Ethylene by Gas Chromatography
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STANDARD published on 1.1.2017
Designation standards: ASTM D6159-17
Note: WITHDRAWN
Publication date standards: 1.1.2017
SKU: NS-675466
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
ethylene, gas chromatography, hydrocarbon impurities,, ICS Number Code 71.040.50 (Physicochemical methods of analysis)
Significance and Use | ||||||
4.1 High-purity ethylene is required as a feedstock for some manufacturing processes and the presence of trace amounts of certain hydrocarbon impurities can have deleterious effects. This test method is suitable for setting specifications, for use as an internal quality control tool, and for use in development or research work. 4.2 This test method does not detect such impurities as H2O, CO, CO2, and alcohols that may be present in the sample. Hydrocarbons higher than n-decane cannot be analyzed by this test method, if present in the sample. Test Method D2504 addresses the analysis of noncondensable gases and Test Method D2505 addresses the analysis of CO1.1 This test method covers the determination of methane, ethane, propane, propene, acetylene, 1.2 Data are reported in this test method as ppmV (parts per million by gaseous volume) and ppmMol (parts per million Mol). This test method was evaluated in an interlaboratory cooperative study in the concentration range of 4 ppmV to 340 ppmV (2 mg/kg to 204 mg/kg). The participants in the interlaboratory cooperative study reported the data in non-SI units. Wherever possible, SI units are included. 1.3 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. |
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