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A new ASTM International standard, ASTM E2872 , Guide for Determining Cross-Section Averaged Characteristics of a Spray Using Laser-Diffraction Instruments in a Wind Tunnel Apparatus, will be used to guide the characterization of nozzles and atomizers using laser diffraction instruments. ASTM E2872 is primarily applicable to aerial agricultural spraying, aerial forest sprays and air-blast…, ASTM Committee E29 Next Meeting:, Oct. 6-7, 2014, October Committee Week, New Orleans, La., Technical Contact:, Gordon Holloway Ph.D., University of New Brunswick, Fredericton, New Brunswick, Canada; Phone: 506-447-3108; holloway@unb.ca, ASTM Staff Contact:, Katerina Koperna, Phone: 610-832-9728; kkoperna@astm.org , ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9592
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A large and diverse set of manufactured materials are in powdered form at one stage or another. No matter what the material is, from cement to metered dose inhaler ingredients, product performance is related to particle size distribution. “The strength of concrete is related to the fineness of the cement powder used, but the danger with very fine grades is excessive heating on setting,” says…, ASTM Committee E29 Next Meeting:, Oct. 6-7, 2014, October Committee Week, New Orleans, La., Technical Contact:, Alan F. Rawle, Ph.D., Malvern Instruments, Westborough, Mass., Phone: 508-768-6434; alan.rawle@malvern.com , ASTM Staff Contact:, Katerina Koperna, Phone: 610-832-9728; kkoperna@astm.org , ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9576
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Nanomaterials are used in the manufacture of a wide range of products, encompassing medicine, textiles, automobile parts, personal care products, food packaging and sporting goods. During the manufacture and use of these products, there is a potential for nanomaterials to become airborne, resulting in inhalation exposure to workers and consumers. A new ASTM International standard provides clear…, ASTM Committee E56 Next Meeting:, May 5-6, 2014, May Committee Week, Toronto, Ontario, Canada, Technical Contact, : Aleksandr Stefaniak, National Institute for Occupational Safety and Health, Sabraton, W. Va., Phone: 304-285-6302; boq9@cdc.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 #9531
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A new ASTM International standard will facilitate the meaningful submission and exchange of nanomaterial descriptions and characterization data, along with other files, among individual nanotechnology researchers. ASTM E2909 , Guide for Investigation/Study/Assay Tab-Delimited Format for Nanotechnologies (ISA-TAB-Nano): Standard File Format for the Submission and Exchange of Data on Nanomaterials…, ASTM Committee E56 Next Meeting:, Nov. 11-12, 2013, November Committee Week, Jacksonville, Fla., Technical Contact:, Nathan Baker, Pacific Northwest National Laboratory, Richland, Wash., Phone: 509-375-3997; nathan.baker@pnl.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 #9410
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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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A newly revised ASTM terminology standard reflects the latest technological advances in particle size analysis (standard test sieves) and particle separation (screening media). ASTM E1638 , Terminology Relating to Sieves, Sieving Methods and Screening Media, was developed by Subcommittee E29.01 on Sieves, Sieving Methods and Screening Media , part of ASTM International Committee E29 on Particle…, ASTM Committee E29 Next Meeting:, May 1-2, 2013, in conjunction with B09 May meeting, Ft. Lauderdale Beach, Fla., Technical Contact:, Kenneth H. Beyer, American Wire Cloth Institute, Elizabeth, N.J., Phone: 908-688-4600; ken@uniquewire.com, ASTM Staff Contact:, Katerina Koperna, Phone: 610-832-9728; kkoperna@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9290
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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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Current members of ASTM International Committees C01 on Cement and C09 on Concrete and Concrete Aggregates , and other interested parties, are invited to join a new C01 subcommittee, C01.98 on Sustainability Assessment. The scope of C01.98 is to support the development and maintenance of standards related to methodologies and metrics for assessing sustainability in the manufacture and use of…
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A new ASTM International practice provides a standard for preparing a mixture of cement paste that will simulate the shearing experienced by the cement paste in concrete. The new standard, ASTM C1738 , Practice for High-Shear Mixing of Hydraulic Cement Pastes, was developed by Subcommittee C01.22 on Workability , part of ASTM International Committee C01 on Cement . According to Chiara Ferraris,…
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A new ASTM International standard covers a special grade of industrial woven wire cloth called filter cloth for general filtration, including the separation of solids from fluids. ASTM E2814 , Guide for Industrial Woven Wire Filter Cloth, was developed by Subcommittee E29.01 on Sieves, Sieving Methods and Screening Media , part of ASTM International Committee E29 on Particle and Spray…, ASTM Committee E29 Next Meeting:, Oct. 31-Nov. 1, 2011, October Committee Week, Tampa, Fla., Technical Contact:, Ken Beyer, Unique Wire Weaving Co., Hillside, N.J., Phone: 908-688-4600; ken@uniquewire.com, ASTM Staff Contact:, Christine Sierk, Phone: 610-832-9728; csierk@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #8934