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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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Since the late 1970s, precast box sections have become an important component in the construction of culverts, storm drains and sewers, but there has not been a comprehensive standard for the installation of such sections. A new ASTM International standard fills this gap. ASTM C1675, Practice for Installation of Precast Reinforced Concrete Monolithic Box Sections for Culverts, Storm Drains and…, Technical Contact:, Roman Selig, Hamilton Kent LLC, Birmingham, Ala., Phone: 205-910-0690; roman.selig@hamiltonkent.com, ASTM Staff Contact:, Diane Trinsey, Phone: 610-832-9661; dtrinsey@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org R elease #9243
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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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Load and resistance factor design methodology developed by the American Association of State Highway and Transportation Officials plays a key role in a proposed ASTM standard on the design of culverts and storm drains. ASTM WK38166 , Specification for Manufacture of Precast Reinforced Concrete Three-Sided Structures for Culverts and Storm Drains Designed According to AASHTO LRFD, is being…, Technical Contact:, Balaram K. Singh, P.E., Michigan Department of Transportation, Lansing, Mich., Phone: 517-335-2174; singhb@michigan.gov, ASTM Staff Contact:, Diane Trinsey, Phone: 610-832-9661; dtrinsey@astm.org, ASTM PR Contact, : Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org R elease #9311
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Public policy decisions on rare earth materials will have an influence on industry and affect future standardization efforts. Acknowledging this importance, ASTM International Committee F40 on Declarable Substances in Materials has formed a new subcommittee, F40.04 on Rare Earth Materials. The subcommittee, which will promote knowledge, stimulate research and implement technology through the…, ASTM Committee F40 Next Meeting:, Nov. 14-15, 2012, November Committee Week, Atlanta, Ga., Technical Contact:, Taco van der Maten, PANalytical B.V., Almelo, The Netherlands, Phone: +31-546-534-372; taco.van.der.maten@panalytical.com, ASTM Staff Contact:, Alyson Fick, Phone: 832-9710; afick@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org R elease #9309
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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
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A new ASTM International standard will provide the means to quickly detect and quantify the lead concentration in toys and other children's products. The new standard, F2853 , Test Method for Determination of Lead in Paint Layers and Similar Coatings or in Substrates and Homogenous Materials by Energy Dispersive X-Ray Fluorescence Spectrometry Using Multiple Monochromatic Excitation Beams, was…
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ASTM International Committee C13 on Concrete Pipe has approved a new standard that covers flexible joints for concrete box sections using rubber gaskets for leak resistant joints. Subcommittee C13.08 on Joints for Precast Concrete Structures developed ASTM C1677 , Specification for Joints for Concrete Box, Using Rubber Gaskets. “This specification will provide a uniform minimum level of…
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A revision to an important ASTM nanotechnology standard incorporates a large-scale interlaboratory study that took place in 2008. The revised standard, ASTM E2490 , Guide for Measurement of Particle Size Distribution of Nanomaterials in Suspension by Photon Correlation Spectroscopy (PCS), is under the jurisdiction of Subcommittee E56.02 on Characterization: Physical, Chemical and Toxicological…