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A proposed new standard being developed by ASTM International Committee B09 on Metal Powders and Metal Powder Products offers a solution to the challenge of handling and characterizing very fine powders. Subcommittee B09.02 on Base Metal Powders is developing the proposed standard, WK13023 , Test Method for Determination of Tap Density of Metallic Powders by a Constant Volume Measuring Method. …
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Understanding how blood within a human body will interact with any substance with which it comes in contact is a crucial part of any medical process. A new practice recently approved by ASTM International Committee F04 on Medical and Surgical Materials and Devices is one of a series of standards that evaluates the complement activating properties of solid materials intended for use in contact…
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Conventionally processed powder metallurgy materials often exhibit open microporosity at the surface. While it is a natural part of the process, this microporosity can affect the measurement of surface finishes. To cover this and other issues that arise from measuring the surface finish of powder metallurgy, ASTM International Committee B09 on Metal Powders and Metal Powder Products has developed…
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A new standard, developed by ASTM International Committee F04 on Medical and Surgical Materials and Devices, establishes performance requirements for single-use, enteral feeding devices with retention balloons. These devices are used by medical professionals to provide nutrition or administer medication to patients through a natural orifice (nasal, oral, transluminal) or through a surgically…
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ASTM International Committee C26 on Nuclear Fuel Cycle has approved two new standards, both under the jurisdiction of Subcommittee C26.05 on Methods of Test. All interested parties are invited to participate in the standards developing activities of Committee C26. ASTM International standards are available for purchase from Customer Service (phone: 610/832-9585; https://www.astm.org/contact )…, ASTM C 1637 , Test Method for the Determination of Impurities in Plutonium Metal: Acid Digestion and Inductively Coupled Plasma-Mass Spectroscopy (ICP-MS) Analysis, The approval of C 1637 is part of Subcommittee C26.05’s project involving the approach to keeping the analytical methodology used for determining specifications for nuclear materials up to date. This project began in 1990 when the subcommittee decided to develop separate standards from methods that were part of larger multi-methods materials specification standards. Once the new test methods…, ASTM C 1638 , Guide for the Determination of Iodine-129 in Uranium Oxide, Guide C 1638 covers the determination of iodine-129 in uranium oxide by gamma-ray spectrometry. Users may include U.S. Department of Energy sites that are dispositioning excess uranium to waste sites. Although there is no specification for the levels of I-129 in fuel, waste disposal sites may set limits due to the potential mobility of iodine in the environment. This guide may be used to ensure…
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ASTM International Committee F04 on Medical and Surgical Materials and Devices is now developing a proposed new standard, WK8619, Test Method for the Measurement of Crystallinity and Melting Point of Ultra High Molecular Weight Polyethylene via Differential Scanning Calorimetry. The proposed test method, under the jurisdiction of Subcommittee F04.15 on Material Test Methods, will focus on the…
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ASTM International Subcommittee F04.35 has recently undergone a name change. Formerly known as F04.35 on GI Endoscopes, the subcommittee, which is under the jurisdiction of Committee F04 on Medical and Surgical Materials and Devices, is now known as Gastroenterolgy (GI). The name change indicates a broadening of the scope of activities for the subcommittee. James Bardwell, Leading Medical…