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Test for Solubility of Asphalt Materials in n-Propyl Bromide A new ASTM International standard on solubility of asphalt will provide an alternative for a solvent that has been banned as an ozone depleter by the Kyoto Protocol, an international environmental treaty with the goal of stabilizing greenhouse gas concentrations that may help minimize global warming. The new standard, ASTM D7553 , Test…
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ASTM International Committee F37 on Light Sport Aircraft is currently at work on a proposed new standard that will aid light sport aircraft manufacturers in understanding the standardization system that governs their products. ASTM WK22124 , Guide for Compliance with Light Sport Airplane Standards, is under the jurisdiction of the F37.20 Airplane subcommittee. According to Thomas Gunnarson, U.S.…
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ASTM International Committee F37 on Light Sport Aircraft will meet March 30 to April 1, 2009, at the Messe Friedrichshafen Exhibition Grounds in Friedrichshafen, Germany, in conjunction with AERO Friedrichshafen 2009. The three days of F37 technical meetings will include discussions on changes to key LSA standards and proposals for new documents. It will also include several other activities,…
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A request from the United States Navy was the impetus behind the development of a new ASTM International standard, E2630 , Test Method for Luminance Ratio of a Fluorescent Specimen Using a Narrow Band Source. The new standard was developed by Subcommittee E12.05 on Fluorescence, part of ASTM International Committee E12 on Color and Appearance. Richard Harold, consultant, Color and Appearance…
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All interested parties, particularly end users from the forensics sciences, are encouraged to join in the development of a proposed new ASTM standard, WK18814 , Guide for Relative Intensity Correction of Raman Spectrometers. WK18814 is being developed by Subcommittee E13.08 on Raman Spectroscopy, which is under the jurisdiction of ASTM International Committee E13 on Molecular Spectroscopy and…
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Many factors, such as traffic, drainage, structure and climatic variations, impact the field performance of asphalt concrete. However, asphalt concrete performance has been more accurately predicted when laboratory material properties are known, so ASTM International Committee D04 on Road and Paving Materials has approved a new standard, ASTM D7460 , Test Method for Determining Fatigue Failure of…
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Since the early 1980s, multivariate analytical techniques have been increasingly used in a variety of industries. A new ASTM International standard, E2617 , Practice for Validation of Empirically Derived Multivariate Calibrations, answers a need for standards for these techniques. Subcommittee E13.11 on Multivariate Analysis, under the jurisdiction of ASTM International Committee E13 on Molecular…
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Current methods for determining bulk specific gravity of aggregate are often time-consuming and not ideal for quality control checks during construction. However, a new ASTM International standard provides a fast method for determining the consistency of aggregate properties that are used in asphalt and concrete mixtures. Committee D04 on Road and Paving Materials has approved ASTM D7370…
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A growing need to recycle millions of tires discarded annually is the impetus for the continued development of a proposed new ASTM International specification that provides standards for converting tires into an asphalt product. WK20240 , Specification for Performance Graded Tire Rubber-Modified Asphalt Binder is being developed by Subcommittee D04.40 on Asphalt Specifications, under the…
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First generation gonioapparent colorants are materials pigmented with metal flakes that change lightness as illumination angles change. Used heavily in automotive coatings, the first generation of gonioapparent materials was covered by ASTM International standard E2194 , Practice for Multiangle Color Measurement of Metal Flake Pigmented Materials, first published in 2003. Now, a second generation…