Materials Characterization Services
Search for Analytical Techniques and Test Methods
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ASTM D2624 – Standard Test Methods for Electrical Conductivity of Aviation and Distillate Fuels Description: Significance and Use 5.1 The ability of a fuel to dissipate charge that has been generated during pumping and filtering operations is controlled by its electrical conductivity, which depends upon its content of ion species. If the conductivity is sufficiently high, …
ASTM D2622 – Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectrometry Description: Significance and Use 5.1 This test method provides rapid and precise measurement of total sulfur in petroleum and petroleum products with a minimum of sample preparation. A typical analysis time is 1 min to 2 min per sample. 5.2 The quality …
ASTM D2621 – Standard Test Method for Infrared Identification of Vehicle Solids From Solvent-Reducible Paints Description: Significance and Use 5.1 The ability to qualitatively identify paint vehicles is useful for characterizing unknown or competitive coatings, for complaint investigations, and for in-process control. Scope 1.1 This test method covers the qualitative characterization or identification of separated paint vehicle …
ASTM D2619 – Standard Test Method for Hydrolytic Stability of Hydraulic Fluids (Beverage Bottle Method) Description: Significance and Use 4.1 This test method differentiates the relative stability of hydraulic fluids in the presence of water under the conditions of the test. Hydrolytically unstable hydraulic fluids form acidic and insoluble contaminants which can cause hydraulic system malfunctions …
ASTM D2617 – Standard Test Method for Total Ash in Leather Description: Significance and Use 4.1 This test method is useful in determining the approximate amount of nonvolatile inorganic material in leather. This may be in the form of salts or oxides of the elements. In a mixed chrome tannage, the approximate percentage of other elements …
ASTM D2616 – Standard Test Method for Evaluation of Visual Color Difference With a Gray Scale Description: Significance and Use 5.1 The total perceived color difference between two non-self-luminous specimens is compared as an equivalent lightness difference between two neutral gray specimens on a gray scale. A fundamental assumption is made that the total color difference …
ASTM D2603 – Standard Test Method for Sonic Shear Stability of Polymer-Containing Oils Description: Significance and Use 4.1 This test method permits the evaluation of shear stability with minimum interference from thermal and oxidative factors which may be present in some applications. Within the limitations expressed in the scope of this test method, it has been …
ASTM D2598 – Standard Practice for Calculation of Certain Physical Properties of Liquefied Petroleum (LP) Gases from Compositional Analysis Description: Significance and Use 4.1 Vapor pressure is an important specification property of commercial propane, special duty propane, propane/butane mixtures, and commercial butane that assures adequate vaporization, safety, and compatibility with commercial appliances. Relative density, while not …
ASTM D2596 – Standard Test Method for Measurement of Extreme-Pressure Properties of Lubricating Grease (Four-Ball Method) Description: Significance and Use 5.1 This test method, used for specification purposes, differentiates between lubricating greases having low, medium, and high level of extreme-pressure properties. The results do not necessarily correlate with results from service.4 5.2 It is noted that lubricating …
ASTM D2595 – Standard Test Method for Evaporation Loss of Lubricating Greases Over Wide-Temperature Range Description: Significance and Use 5.1 The loss of volatile materials from greases and oils can adversely affect the original performance characteristics of a lubricant and, therefore, could be a significant factor in evaluating a lubricant for a specific use. Such volatiles …
