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ASTM D1160 Distillation Of Petroleum Products At Reduced Pressure
The sample is distilled at an accurately controlled pressure between 0.13 and 6.7 kPa (1 and 50 mm Hg) under conditions that are designed to provide approximately one theoretical plate fractionation. Data are obtained from which the initial boiling point, the final boiling point, and a distillation curve relating volume percent distilled and atmospheric equivalent boiling point temperature can be prepared.
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ASTM D4006 Water In Crude Oil By Distillation
The sample is heated under reflux conditions with a water immiscible solvent which co-distills with the water in the sample. Condensed solvent and water are continuously separated in a trap—the water settles in the graduated section of the trap, and the solvent returns to the distillation flask
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ASTM D4377 Crude Oil Karl Fischer Titration
A knowledge of the water content of crude oil is important in the refining, purchase, sale, or transfer of crude oils.
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ASTM D1298 Density Test By API Hydrometer
Accurate determination of the density, relative density (specific gravity), or API gravity of petroleum and its products is necessary for the conversion of measured volumes to volumes or masses, or both, at the standard reference temperatures during custody transfer
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ASTM D6560 Apparatus for Paraffin, Resins and Asphaltenes Contents in Crude Oil
KN-6560 Apparatus for Paraffin, Resins and Asphaltenes Contents in Crude Oil in Crude Petroleum and Petroleum Products conforms to ASTM D6560 Standard Test Method for Determination of Asphaltenes (Heptane Insolubles) in Crude Petroleum and Petroleum Products and SY/T 7550 Determination of Paraffin, Resins and Asphaltenes Contents in Crude Oil. Asphaltenes are the organic molecules of highest molecular mass and carbon-hydrogen ratio normally occurring in crude petroleum and petroleum products containing residual material. They may give problems during storage and handling if the suspension of asphaltene molecules is disturbed through excess stress or incompatibility.
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ASTM D473 Sedimentin Crude Oil By Extraction Method
A knowledge of the sediment content of crude oils and fuel oils is important both to the operation of refining and the buying or selling of these commodities
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