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How long will a certain brand of chewing gum retain its flavor? Will a piece of steak retain its initial tenderness as it is being chewed? Questions such as these relate to how a product is perceived over time, an area covered in a proposed new ASTM International standard, ASTM WK41798 , Guide for Temporal Methods. Temporal methods, such as those to be covered in ASTM WK41798, are used to measure…, ASTM Committee E18 Next Meeting:, Oct. 22-25, 2013, October Committee Week, Jacksonville, Fla., Technical Contact:, Christopher J. Findlay, Ph.D., Compusense Inc., Guelph, Ontario, Canada, Phone: 519-836-9993; cfindlay@compusense.com , ASTM Staff Contact:, Scott Orthey, Phone: 610-832-9730; sorthey@astm.org , ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9400
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A proposed new ASTM International standard will provide the first comprehensive approach to analyzing oxygen removal cartridges. ASTM WK39806 , Practice for the Capacity of Ion Exchange Oxygen Removal Cartridge, is being developed by Subcommittee D19.08 on Membranes and Ion Exchange Materials , part of ASTM International Committee D19 on Water . ASTM WK39806 will help determine the exchange…, ASTM Committee D19 Next Meeting:, June 2-6, 2013, U.S. Geological Survey Denver Federal Center, Lakewood, Colo., Technical Contact:, G.Taylor Smith, Ionex Technologies Inc., Fall River, Mass., Phone: 508-677-2881; info@ionextechnologies.com , ASTM Staff Contact:, Alyson Fick, Phone: 610-832-9710; afick@astm.org , ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #9376
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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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The U.S. Nuclear Regulatory Commission requires that operators of nuclear power plants measure the amount of the radionuclide carbon-14 in their gaseous effluents. A proposed new ASTM standard will aid plants (and other facilities at which fission reactions or spent fuel processing takes place) in making these measurements. The proposed standard, ASTM WK36397 , Practice for Sampling of C-14 in…, Technical Contact:, Robert Litman, Radiochemistry Laboratory Basics, The Villages, Fla., Phone: 352-633-8444; drbob20@comcast.net, ASTM Staff Contact:, Alyson Fick, Phone: 610-832-9710; afick@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org R elease #9223
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D19 Standards Used for Measuring Regulated Pollutants in Wastewater Ten standards developed by ASTM International Committee D19 on Water have been included in a final rule published in the Code of Federal Regulations by the U.S. Environmental Protection Agency to approve methods for measuring regulated pollutants in wastewater. Guidelines Establishing Test Procedures for the Analysis of…
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A proposed new ASTM International guide will standardize sensory practices currently being used in the oral care products industry. The proposed standard, ASTM WK34772 , Guide for Sensory Evaluation of Oral Care Products, is being developed by Subcommittee E18.07 on Personal Care and Household Evaluation , which is part of ASTM International Committee E18 on Sensory Evaluation of Materials and…
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A new ASTM International standard will be referenced by the International Cyanide Management Code as a guide to ASTM standards related to cyanide management. ASTM D7728 , Guide for Selection of ASTM Analytical Methods for Implementation of International Cyanide Management Code Guidance, was developed by Subcommittee D19.06 on Methods for Analysis for Organic Substances in Water , part of ASTM…
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Discovering how differences between two versions of a product will affect that product’s performance continues to be a challenge for sensory professionals. However, in the past 30 years, the testing method known as the Tetrad test has begun to emerge as a means of saving companies money by enabling more information to be extracted from smaller product tests. ASTM International Committee E18 on…, ASTM Committee E18 Next Meeting:, Nov. 1-4, 2011, October Committee Week, Tampa, Fla., Technical Contact:, John M. Ennis, The Institute for Perception, Richmond, Va., Phone: 804-675-2980; john.m.ennis@ifpress.com, ASTM Staff Contact:, Scott Orthey, Phone: 610-832-9730; sorthey@astm.org, ASTM PR Contact:, Barbara Schindler, Phone: 610-832-9603; bschindl@astm.org Release #8898
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The proper selection of assessors can have a direct effect on the outcome of any sensory or consumer test. A proposed new ASTM International standard will help users determine appropriate assessors, give general guidelines for ways to select and recruit respondents, and list the benefits and drawbacks in selecting certain assessors. The proposed new standard, ASTM WK30847 , Guide for Selection of…