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  • ACTIVE SULFUR IN CUTTING OILS: ASTM D1662 ACTIVE SULFUR IN CUTTING OILS: ASTM D1662EXPLANATIONThis test measures the amount of sulfur available to react with metallic surfaces to form solid lubricating aids at the temperature of the test. The rates of reaction are metal type, temperature, and time dependent. It has not been determined as to ...
  • ACIDITY OF HYDROCARBON LIQUIDS AND THEIR DISTILLATION RESIDUES: ASTM D1093 ACIDITY OF HYDROCARBON LIQUIDS AND THEIR DISTILLATION RESIDUES: ASTM D1093EXPLANATIONSome petroleum products are treated with mineral acid during the refining process. Any residual mineral acid in a petroleum product is undesirable. This test makes a qualitative determination of the acidity of hydrocarbon ...
  • ACIDITY IN AVIATION TURBINE FUEL: ASTM D3242 ACIDITY IN AVIATION TURBINE FUEL: ASTM D3242(Equivalent Tests: IP 354 and DIN 51558 T3)EXPLANATIONSome acids can be present in aviation turbine fuels due either to the acid treatment during the refining process or to naturally occurring organic acids. It's unlikely that significant acid contamination ...
  • ACID NUMBER BY SEMI-QUANTITATIVE MICRO DETERMINATION OF ACID NUMBER OF LUBE OILS ACID NUMBER BY SEMI-QUANTITATIVE MICRO DETERMINATION OF ACID NUMBER OF LUBE OILS DURING OXIDATION TESTING: ASTM D5770EXPLANATIONThis test method provides a means of monitoring the relative oxidation of lubricating oils by measuring changes in acid number, at different time intervals and under various ...
  • ACID NUMBER BY SEMI-MICRO COLOR INDICATOR TITRATION: ASTM D3339 ACID NUMBER BY SEMI-MICRO COLOR INDICATOR TITRATION: ASTM D3339(Equivalent Tests: IP 431 and ISO 7537)EXPLANATIONThis test method measures the acid number of oils obtained from laboratory oxidation test (Test Method D943) using smaller amounts of samples than those used in other acid number tests for ...
  • ACID NUMBER BY POTENTIOMETRIC TITRATION: ASTM D664 ACID NUMBER BY POTENTIOMETRIC TITRATION: ASTM D664(Equivalent Test Methods: IP 177, ISO 6619, and JIS K2501)EXPLANATIONNew and used petroleum products may contain acidic constituents that are present as additives or as degradation products formed during service, such as oxidation products. The relative ...
  • ACID NUMBER BY COLOR INDICATOR TITRATION: ASTM D974 ACID NUMBER BY COLOR INDICATOR TITRATION: ASTM D974(Equivalent Test Methods: IP 139, ISO 6618, DIN 51558T1, JIS K 2501, and AFNOR T60-112)EXPLANATIONOils such as many cutting oils, rustproofing oils, and similar compounded oils, or excessively dark-colored oils, that cannot be analyzed by this test method ...
  • ASTM D71 Standard Test Method for Relative Density of Solid Pitch and Asphalt (D ASTM D71 Standard Test Method for Relative Density of Solid Pitch and Asphalt (Displacement Method)11. Report11.1 Report the average of the two determinations to the third decimal place, unless the individual values differ by more than 0.005. In this case, repeat the determinations with two newly selected ...
  • ASTM D71 Standard Test Method for Relative Density of Solid Pitch and Asphalt (D ASTM D71 Standard Test Method for Relative Density of Solid Pitch and Asphalt (Displacement Method)9. Procedure9.1 Tare the balance with a piece of 0.127-mm (5-mL) Nichrome wire or monofilament nylon line sufficiently long to reach from the hook on the pan support to the straddle when the latter is in ...
  • ASTM D71 Standard Test Method for Relative Density of Solid Pitch and Asphalt (D ASTM D71 Standard Test Method for Relative Density of Solid Pitch and Asphalt (Displacement Method)6. Apparatus6.1 Pan Straddle, suitable for use with an analytical balance.6.2 Analytical Balance, equipped with a hook above the pan and capable of weighing a 20-g specimen to 1 mg.6.3 Water Bath, maintained ...