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ASTM D3239 Method for Aromatic Types Analysis of Gas-Oil Aromatic Fractions
ASTM D3239 Method for Aromatic Types Analysis of Gas-Oil Aromatic FractionsASTM D3239 Standard Test Method for Aromatic Types Analysis of Gas-Oil Aromatic Fractions by High Ionizing Voltage Mass Spectrometry11. Precision and Bias11.1 The precision of this test method as obtained by statistical examination ...
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ASTM D3239 Method for Aromatic Types Analysis of Gas-Oil Aromatic Fractions
ASTM D3239 Method for Aromatic Types Analysis of Gas-Oil Aromatic FractionsASTM D3239 Standard Test Method for Aromatic Types Analysis of Gas-Oil Aromatic Fractions by High Ionizing Voltage Mass Spectrometry9. Procedure9.1 If the mass spectrometer has been in continuous operation, no additional preparation ...
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ASTM D3239 Method for Aromatic Types Analysis of Gas-Oil Aromatic Fractions
ASTM D3239 Method for Aromatic Types Analysis of Gas-Oil Aromatic FractionsASTM D3239 Standard Test Method for Aromatic Types Analysis of Gas-Oil Aromatic Fractions by High Ionizing Voltage Mass Spectrometry8. Calibration8.1 Calibration equations in the computer program given in Table 2 may be used directly ...
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ASTM D3239 Method for Aromatic Types Analysis of Gas-Oil Aromatic Fractions
ASTM D3239 Method for Aromatic Types Analysis of Gas-Oil Aromatic FractionsASTM D3239 Standard Test Method for Aromatic Types Analysis of Gas-Oil Aromatic Fractions by High Ionizing Voltage Mass Spectrometry6. Apparatus6.1 Mass Spectrometer - The suitability of the mass spectrometer to be used with this ...
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ASTM D3239 Method for Aromatic Types Analysis of Gas-Oil Aromatic Fractions
ASTM D3239 Method for Aromatic Types Analysis of Gas-Oil Aromatic FractionsASTM D3239 Standard Test Method for Aromatic Types Analysis of Gas-Oil Aromatic Fractions by High Ionizing Voltage Mass Spectrometry4. Summary of Test Method4.1 The relative abundance of seven classes (I-VII) of aromatics in petroleum ...
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ASTM D3239 Method for Aromatic Types Analysis of Gas-Oil Aromatic Fractions
ASTM D3239 Method for Aromatic Types Analysis of Gas-Oil Aromatic FractionsASTM D3239 Standard Test Method for Aromatic Types Analysis of Gas-Oil Aromatic Fractions by High Ionizing Voltage Mass Spectrometry1. Scope1.1 This test method covers the determination by high ionizing voltage, low resolution ...
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ASTM D938 Method for Congealing Point of Petroleum Waxes, Including Petrolatum
ASTM D938 Method for Congealing Point of Petroleum Waxes, Including Petrolatum8. Report8.1 Report the average of the multiple determinations as the congealing point, shown to the nearest 0.2°C (0.5°F).9. Precision and Bias9.1 The precision of this test method is not known to have been obtained in accordance ...
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ASTM D938 Method for Congealing Point of Petroleum Waxes, Including Petrolatum
ASTM D938 Method for Congealing Point of Petroleum Waxes, Including Petrolatum7. Procedure7.1 Adjust the thermometer through the stopper so that the bottom of the bulb will be 10 to 15 mm above the bottom of the Erlenmeyer flask when the stopper is fitted snugly in the flask. After making this adjustment, ...
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ASTM D938 Method for Congealing Point of Petroleum Waxes, Including Petrolatum
ASTM D938 Method for Congealing Point of Petroleum Waxes, Including Petrolatum6. Apparatus6.1 Thermometer, having the following range and conforming to the requirements prescribed in Specification E 1 or in the specifications for IP Standard Thermometers:6.2 Erlenmeyer Flask, 125-mL, glass, to serve ...
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ASTM D938 Method for Congealing Point of Petroleum Waxes, Including Petrolatum
ASTM D938 Method for Congealing Point of Petroleum Waxes, Including Petrolatum4. Summary of Test Method4.1 A sample of wax is melted and a droplet is made to adhere to the bulb of a thermometer. Using a prewarmed flask as an air jacket, the droplet on the bulb is allowed to cool at a fixed rate until ...
