-
INSTABILITY OF MIDDLE DISTILLATE FUELS BY PORTABLE SPECTROPHOTOMETER: D6748
INSTABILITY OF MIDDLE DISTILLATE FUELS BY PORTABLE SPECTROPHOTOMETER: D6748EXPLANATIONStorage stability depends on complex interactions. It varies with feedstock type and source, and the processing used. The rate of degradation may not change uniformly with temperature. Chemical reactions may lead to ...
-
THERMAL STABILITY OF HYDRAULIC OILS: D2070
THERMAL STABILITY OF HYDRAULIC OILS: D2070EXPLANATIONThermal stability characterizes physical and chemical property changes that may adversely affect an oil's lubricating performance. This test method evaluates the thermal stability of a hydraulic oil in the presence of copper and steel at 135° C. Rod ...
-
THERMAL STABILITY OF ORGANIC HEAT TRANSFER FLUIDS: D6743
THERMAL STABILITY OF ORGANIC HEAT TRANSFER FLUIDS: D6743EXPLANATIONHeat transfer fluids degrade when exposed to sufficient high temperatures. The amount of degradation increases as the temperature increases or the length of exposure increases, or both. Due to reaction and rearrangement, degradation products ...
-
THERMAL STABILITY OF AVIATION TURBINE FUELS BY HIRETS METHOD: D6811
THERMAL STABILITY OF AVIATION TURBINE FUELS BY HIRETS METHOD: D6811EXPLANATIONThe thermal stress experienced by aviation fuel in modern jet engines may lead to the formation of undesirable and possibly harmful insoluble materials, such as lacquers, on heat exchangers and control surfaces, that reduce ...
-
THERMAL STABILITY OF AVIATION TURBINE FUELS BY JFTOT PROCEDURE: D3241
THERMAL STABILITY OF AVIATION TURBINE FUELS BY JFTOT PROCEDURE: D3241(Equivalent Test Methods: IP 323, ISO 6249, JIS K 2276B, and AFNOR M07-051)EXPLANATIONThis test method covers the procedure for rating the tendencies of gas turbine fuels to deposit decomposition products within the fuel system. The ...
-
THERMAL CONDUCTIVITY OF LIQUIDS: D2717
THERMAL CONDUCTIVITY OF LIQUIDS: D2717EXPLANATIONThe thermal conductivity of a substance is a measure of the ability of that substance to transfer energy as heat in the absence of mass transport phenomena. It is used in engineering calculations that relate to the manner in which a given system can react ...
-
SURFACE WAX ON WAXED PAPER OR PAPERBOARD: D2423
SURFACE WAX ON WAXED PAPER OR PAPERBOARD: D2423EXPLANATIONMany of the fundamental properties of waxed paper and paperboard are related to the amount of wax present as a surface film. Test methods which determine wax load by solvent extraction do not differentiate between the wax present as the surface ...
-
SURFACE WAX COATING ON CORRUGATED BOARD: D3521
SURFACE WAX COATING ON CORRUGATED BOARD: D3521EXPLANATIONWax coatings are applied to corrugated board to provide a better barrier against moisture or other agents or to provide improved appearance or abrasion resistance. These performance features are influenced by the amount of wax present on the surface. ...
-
OXIDATION STABILITY OF LUBRICANTS BY THIN-FILM OXYGEN UPTAKE (TFOUT) CATALYST B:
OXIDATION STABILITY OF LUBRICANTS BY THIN-FILM OXYGEN UPTAKE (TFOUT) CATALYST B: D7098EXPLANATIONThis test method was originally developed to evaluate oxidation stability of lubricating base oils combined with additives chemistries similar to those found in gasoline engine oils and services. This test ...
-
SULFUR DETERMINATION IN GASOLINE BY WD-XRF: D6334
SULFUR DETERMINATION IN GASOLINE BY WD-XRF: D6334This test method is applicable to gasoline and gasoline-oxygenate blends in the sulfur concentration range of 15 to 940 mg/kg. Similar to other XRF methods just described, the standards and samples must match in their matrix composition.TEST SUMMARYThe ...
