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ASTM D3239 – Standard Test Method for Aromatic Types Analysis of Gas-Oil Aromatic Fractions by High Ionizing Voltage Mass Spectrometry (Withdrawn 2023) Description: Significance and Use 5.1 A knowledge of the hydrocarbon composition of process streams and petroleum products boiling within the range 205 °C to 540 °C (400 °F to 1000 °F) is useful in following the effect of …
ASTM D3238 – Standard Test Method for Calculation of Carbon Distribution and Structural Group Analysis of Petroleum Oils by the n-d-M Method Description: Significance and Use 5.1 The carbon distribution and ring content serve to express the gross composition of the heavier fractions of petroleum. These data can be used as an adjunct to the bulk …
ASTM D3237 – Standard Test Method for Lead in Gasoline by Atomic Absorption Spectroscopy Description: Significance and Use 5.1 This test method is used to ensure compliance of trace lead as required by federal regulation for lead-free gasoline (40 CFR part 80). Scope 1.1 This test method covers the determination of the total lead content of gasoline …
ASTM D3235 – Standard Test Method for Solvent Extractables in Petroleum Waxes Description: Significance and Use 5.1 The solvent extractables in a wax may have significant effects on several of its properties such as strength, hardness, flexibility, scuff resistance, coefficient of friction, coefficient of expansion, melting point, and staining characteristics. Whether these effects are desirable or …
ASTM D3233 – Standard Test Methods for Measurement of Extreme Pressure Properties of Fluid Lubricants (Falex Pin and Vee Block Methods) Description: Significance and Use 5.1 Evaluations by both test methods differentiate between fluids having low, medium, and high levels of extreme-pressure properties. The user should establish any correlation between results by either method and service …
ASTM D3231 – Standard Test Method for Phosphorus in Gasoline Description: Significance and Use 5.1 Phosphorus in gasoline will damage catalytic convertors used in automotive emission control systems, and its level therefore is kept low. Scope 1.1 This test method covers the determination of phosphorus generally present as pentavalent phosphate esters or salts, or both, in gasoline. …
ASTM D3230 – Standard Test Method for Salts in Crude Oil (Electrometric Method) Description: Significance and Use 5.1 This test method is used to determine the approximate chloride content of crude oils, a knowledge of which is important in deciding whether or not the crude oil needs desalting. The efficiency of the process desalter can also …
ASTM D323 – Standard Test Method for Vapor Pressure of Petroleum Products (Reid Method) Description: Significance and Use 5.1 Vapor pressure is an important physical property of volatile liquids. This test method is used to determine the vapor pressure at 37.8 °C (100 °F) of petroleum products and crude oils with initial boiling point above 0 °C (32 °F). 5.2 Vapor …
ASTM D3228 – Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method Description: Significance and Use 5.1 The concentration of nitrogen is a measure of the presence of nitrogen-containing additives. Knowledge of its concentration can be used to predict performance. Scope 1.1 This test method covers the determination of nitrogen …
ASTM D3227 – Standard Test Method for (Thiol Mercaptan) Sulfur in Gasoline, Kerosine, Aviation Turbine, and Distillate Fuels (Potentiometric Method) Description: Significance and Use 5.1 Mercaptan sulfur has an objectionable odor, an adverse effect on fuel system elastomers, and is corrosive to fuel system components. Scope 1.1 This test method covers the determination of mercaptan sulfur in …
