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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 ...
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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 Petrolatum1. Scope1.1 This test method covers determination of the congealing point of petroleum waxes, including petrolatum.1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses ...
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ASTM D2710 for Bromine Index of Petroleum Hydrocarbons by Electrometric Titratio
ASTM D2710 for Bromine Index of Petroleum Hydrocarbons by Electrometric Titration9. Calculation9.1 Calculate the bromine index as follows:Bromine index = [(A - B)N x 7990]/Wwhere:A = millilitres of bromide-bromate solution required for titration of the sample,B = millilitres of bromide-bromate solution ...
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ASTM D2710 for Bromine Index of Petroleum Hydrocarbons by Electrometric Titratio
ASTM D2710 for Bromine Index of Petroleum Hydrocarbons by Electrometric Titration8. Procedure8.1 Switch on the titrimeter and allow the electrical circuits to stabilize in accordance with the manufacturer's instructions.8.2 Cool the titration vessel to 0 to 5°C (32 to 41°F) by circulating a suitable ...
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ASTM D2710 for Bromine Index of Petroleum Hydrocarbons by Electrometric Titratio
ASTM D2710 for Bromine Index of Petroleum Hydrocarbons by Electrometric Titration6. Apparatus6.1 Electrometric End Point Titration Apparatus - Any apparatus designed to perform titrations to pre-set end points (see Note 4) may be used in conjunction with a high-resistance polarizing current supply capable ...
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ASTM D2710 for Bromine Index of Petroleum Hydrocarbons by Electrometric Titratio
ASTM D2710 for Bromine Index of Petroleum Hydrocarbons by Electrometric Titration4. Summary of Test Method4.1 A known mass of the sample dissolved in a specified solvent is titrated with standard bromide-bromate solution. The end point is indicated by a dead stop electrometric titration apparatus when ...
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ASTM D2710 for Bromine Index of Petroleum Hydrocarbons by Electrometric Titratio
ASTM D2710 for Bromine Index of Petroleum Hydrocarbons by Electrometric Titration1. Scope1.1 This test method covers the determination of the amount of bromine-reactive material in petroleum hydrocarbons and is thus a measure of trace amounts of unsaturates in these materials. It is applicable to materials ...
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ASTM D5191 Test Method for Vapor Pressure of Petroleum Products (Mini Method)
ASTM D5191 Test Method for Vapor Pressure of Petroleum Products (Mini Method)14. Report14.1 Report the dry vapor pressure equivalent to the nearest 0.1 kPa (0.01 psi) without reference to temperature.14.2 If the sample was observed to be hazy in 8.5, report the test result as in 14.1, followed by the ...
