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Two new standards developed by ASTM International Committee E56 on Nanotechnology will assist a variety of users in aspects of nanomaterial measurement. ASTM E2834 , Guide for Measurement of Particle Size Distribution of Nanomaterials in Suspension by Nanoparticle Tracking Analysis (NTA), and ASTM E2859 , Guide for Size Measurement of Nanoparticles Using Atomic Force Microscopy, are both under…, Nanoparticle Tracking Analysis, ASTM E2834 describes nanoparticle tracking analysis, a new measurement technique for direct and real-time visualization and analysis of nanoparticles in liquids. In NTA, particles in suspension are illuminated with a focused laser beam and light scattered from each particle is visible through magnifying optics fitted to a digital camera. ASTM E2834 discusses the scientific basis for nanoparticle…, Nanoparticle Size Measurement, According to Vince Hackley, research chemist and project leader in the Materials Measurement Science Division of the National Institute of Standards and Technology, ASTM E2859 provides guidelines for sample preparation, measurement and analysis of results related to the use of atomic force microscopy, or AFM. AFM is a technique used to image, measure and manipulate matter at the nanoscale. The…, ASTM Committee E56 Next Meeting:, May 20-21, 2013, May Committee Week, Indianapolis, Ind., Technical Contact:, (E2834) Duncan Griffiths, NanoSight USA, Costa Mesa, Calif., Phone: 714-747-9955; duncan.griffiths@nanosight.com ; (E2859) Vincent A. Hackley, Ph.D., National Institute of Science and Technology, Gaithersburg, Md., Phone: 301-975-5790; vince.hackley@nist.gov, ASTM Staff Contact:, Kathleen McClung, Phone: 610-832-9717; kmcclung@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9301
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Zeta potential provides a guide to the stability of solid or liquid particles in a liquid system, such as intravenous foods. A new ASTM International standard focuses on the zeta potential in systems containing biological material such as proteins, DNA, liposomes and other organic materials. The new standard, ASTM E2865 , Guide for Measurement of Electrophoretic Mobility and Zeta Potential of…, ASTM Committee E56 Next Meeting:, Nov. 12-13, November Committee Week, Atlanta Ga., Technical Contact:, Alan Rawle, Ph.D, Malvern Instruments Inc., Westborough, Mass., Phone: 508-768-6434; alan.rawle@malvern.com, ASTM Staff Contact:, Kathleen McClung, Phone: 610-832-9717; kmcclung@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org R elease #9317
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All ASTM International test methods are required to include statements on precision and bias. A new ASTM guide provides an overview of the steps needed in an interlaboratory study to obtain precision and bias statements, particularly as they relate to standards for petroleum products. The new standard, ASTM D7778 , Guide for Conducting an Interlaboratory Study to Determine the Precision of a Test…, ASTM Committee D02 Next Meeting:, Dec. 2-6, 2012, Norfolk, Va., Technical Contact:, Alex Lau, TCL Consulting, Whitby, Ontario, Canada, Phone: 905-665-7995; alextclau@rogers.com, ASTM Staff Contact:, David Bradley, Phone: 610-832-9681; dbradley@astm.org, ASTM PR Contact, : Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org R elease #9306
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A new standard for determining the silicon content in gasoline and other products has been approved by ASTM International Committee D02 on Petroleum Products and Lubricants . ASTM D7757 , Test Method for Silicon in Gasoline and Related Products by Monochromatic Wavelength Dispersive X-Ray Fluorescence Spectrometry, was developed by Subcommittee D02.03 on Elemental Analysis . ASTM D7757 covers the…, ASTM Committee D02 Next Meeting:, Dec. 2-6, 2012, Norfolk, Va., Technical Contact:, Kishore Nadkarni, Millennium Analytics Inc., East Brunswick, N.J. Phone: 732-613-8710; knadkarni@aol.com, ASTM Staff Contact:, David Bradley, Phone: 610-832-9681; dbradley@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org R elease #9258
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A new ASTM International specification is the first standard to identify the protocols necessary to blend mid-level ethanol fuels at the terminal and retail level that equal the fuel quality and performance expected from fuels meeting other ASTM fuel specifications. The new standard, ASTM D7794 , Practice for Blending Mid-Level Ethanol Fuel Blends for Flexible-Fuel Vehicles with Automotive Spark-…
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A proposed new ASTM test method will be useful in assessing the varnish generation potential of turbine oils on industrial lubricated equipment parts. The proposed standard, ASTM WK36093 , Test Method for Determination of Oxidation Stability and Insoluble Formation of Inhibited Turbine Oils at 120°C Without the Inclusion of Water (Dry TOST Method), is being developed by Subcommittee D02.09.0C on…
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Wet propane can cause operational issues in customer equipment and in downstream processes for refineries, producers, pipeline operators, terminals and chemical plants. A proposed new standard under the jurisdiction of ASTM International Committee D02 on Petroleum Products and Lubricants will be used for measuring the dryness of propane. ASTM WK35244 , Test Method for Determination of Water…
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Renewable fuels can now be blended with conventional commercial and military jet (or gas turbine) fuel through requirements in the newly issued edition of ASTM D7566-11, Specification for Aviation Turbine Fuel Containing Synthesized Hydrocarbons . The revised standard was approved July 1, 2011. Through the new provisions included in ASTM D7566 , up to 50 percent bioderived synthetic blending…
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The eventual approval of a proposed new test method currently being developed by ASTM International Committee D02 on Petroleum Products and Lubricants will allow a recently approved D02 specification to attain full compliance with, Form and Style for ASTM Standards, . The proposed new standard, ASTM WK30961 , Test Method for Analysis of Ethyl Tertiary-Butyl Ether (ETBE) by Gas Chromatography, is currently being developed by Subcommittee D02.J0.02 on Aviation Gasoline, part of Section D02.J0 on Aviation Fuels. According to Cesar Gonzalez, an independent consultant and longtime D02 member, ASTM D7618 , Specification for Ethyl Tertiary-Butyl Ether (ETBE) for…, ASTM Form and Style, , the annex must be replaced by an independent ETBE test method with appropriate precision and bias statements. ASTM WK30961 will be that test method. Gonzalez notes the importance of ethyl tertiary-butyl ether. “ETBE blends with motor gasoline and aviation gasoline hydrocarbon stock offer proven medium and high octane aviation fuel potentials unmatched by other oxygenate or hydrocarbon…, ASTM Committee D02 Next Meeting:, June 19-23, 2011, Baltimore, Md., Technical Contact:, Cesar Gonzalez, Wichita, Kan., Phone: 316-722-8362; cbgonzal1@aol.com, ASTM Staff Contact:, David Bradley, Phone: 610-832-9681; dbradley@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #8748
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ASTM International Committee E56 on Nanotechnology has created a new subcommittee, E56.06 on Nano-Enabled Consumer Products. The scope of E56.06 is to develop scientifically credible standards for identification, evaluation and assessment of engineered nanomaterials in consumer products. Members of E56.06 will develop standards for determining the presence of engineered nanomaterials in consumer…, ASTM Committee E56 Next Meeting:, Nov 15-16, November Committee Week, San Antonio, Texas, Technical Contact:, (Chairman, E56) Debbie Kaiser, National Institute of Standards and Technology, Gaithersburg, Md., Phone: 301-975-6759; debra.kaiser@nist.gov ; (Subcommittee E56.06) Aleks Stefaniak, National Institute for Occupational Safety and Health, Morgantown, W.Va., Phone: 304-285-6302; boq9@cdc.gov, ASTM Staff Contact:, Timothy Brooke, Phone: 610-832-9729; tbrooke@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #8698/Sept2010