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ASTM D1545 for Viscosity of Transparent Liquids by Bubble Time Method
ASTM D1545 for Viscosity of Transparent Liquids by Bubble Time Method1. Scope1.1 This test method covers the determination of the viscosity in bubble seconds by timing. The bubble seconds are approximately equal to stokes for most liquids.1.2 The test method is applicable to transparent liquids that ...
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ASTM D2505 for Ethylene, Other Hydrocarbons, and Carbon Dioxide in High-Purity E
ASTM D2505 for Ethylene, Other Hydrocarbons, and Carbon Dioxide in High-Purity Ethylene by Gas Chromatography12. Precision and Bias12.1 The precision of this test method as determined by statistical examination of interlaboratory results is as follows:12.1.1 Repeatability - The difference between successive ...
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ASTM D2505 for Ethylene, Other Hydrocarbons, and Carbon Dioxide in High-Purity E
ASTM D2505 for Ethylene, Other Hydrocarbons, and Carbon Dioxide in High-Purity Ethylene by Gas Chromatography10. Procedure10.1 Methane and Ethane - Typical operating conditions for the analyses for methane and ethane are summarized in Table 3. Slowly flush the sample to be analyzed through the gas sample ...
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ASTM D2505 for Ethylene, Other Hydrocarbons, and Carbon Dioxide in High-Purity E
ASTM D2505 for Ethylene, Other Hydrocarbons, and Carbon Dioxide in High-Purity Ethylene by Gas Chromatography8. Preparation of Apparatus8.1 Silica Gel Column - Dry the silica gel in an oven at 204°C (400°F) for 3 h, cool in a desiccator, and store in screw-cap bottles. Pour the activated silica gel ...
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ASTM D2505 for Ethylene, Other Hydrocarbons, and Carbon Dioxide in High-Purity E
ASTM D2505 for Ethylene, Other Hydrocarbons, and Carbon Dioxide in High-Purity Ethylene by Gas Chromatography5. Apparatus5.1 Any chromatographic instrument with an overall sensitivity sufficient to detect 2 ppmV or less of the compounds listed with a peak height of at least 2 mm without loss of resolution.5.2 ...
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ASTM D2505 for Ethylene, Other Hydrocarbons, and Carbon Dioxide in High-Purity E
ASTM D2505 for Ethylene, Other Hydrocarbons, and Carbon Dioxide in High-Purity Ethylene by Gas Chromatography3. Summary of Test Method3.1 The sample is separated in a gas chromatograph system utilizing four different packed chromatographic columns with helium as the carrier gas. Methane and ethane are ...
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ASTM D2505 for Ethylene, Other Hydrocarbons, and Carbon Dioxide in High-Purity E
ASTM D2505 for Ethylene, Other Hydrocarbons, and Carbon Dioxide in High-Purity Ethylene by Gas Chromatography1. Scope1.1 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 ...
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ASTM D1833 Standard Test Method for Odor of Petroleum Wax
ASTM D1833 Standard Test Method for Odor of Petroleum Wax10. Report10.1 Report the average panel rating calculated to the nearest 0.5 unit as the odor rating of the sample by ASTM D1833.11. Precision and Bias11.1 Precision - A precision statement is being developed for this test method.11.2 Bias - The ...
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ASTM D1833 Standard Test Method for Odor of Petroleum Wax
ASTM D1833 Standard Test Method for Odor of Petroleum Wax8. Procedure8.1 Scrape the surface of the sample to remove any foreign material and discard those scrapings. Using a clean scraper, prepare test specimens of approximately 10 g each of wax in thin shavings, placing them on odor-free paper or glassine. ...
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ASTM D1833 Standard Test Method for Odor of Petroleum Wax
ASTM D1833 Standard Test Method for Odor of Petroleum Wax5. Apparatus5.1 Scraper - A knife, vegetable scraper, or other sharp instrument that can be cleaned easily. Mechanical devices that produce thin shavings from wax, such as vegetable shredders or chisel-shaped bits, may be used.5.2 Paper - Odor-free ...
