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Dried blood represents the greatest challenge to cleaning surgical instruments. To meet this challenge, ASTM International Committee D12 on Soaps and Other Detergents has developed a new standard, D 7225 , Guide for Blood Cleaning Efficiency of Detergents and Washer-Disinfectors. The new guide is under the jurisdiction of Subcommittee D12.16 on Hard Surface Cleaning. Water-soluble components of…
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ASTM International Committee D05 on Coal and Coke is currently seeking participation in the development of a proposed new standard, WK10700 , Test Method for Total Moisture in Coal Reduced to 2.36 mm (No. 8 Sieve) Topsize Through Determination of Air-Drying Loss by Microwave Oven. The proposed new standard is under the jurisdiction of Subcommittee D05.21 on Methods of Analysis. While air-drying…
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ASTM Committee D05 on Coal and Coke is currently developing a proposed new standard, WK10380, Practice for Establishing the Competence of Laboratories Using ASTM Procedures in the Sampling and Analysis of Coal and Coke. The proposed standard will specify requirements for establishing, operating and evaluating a laboratory that provides services in the areas of sample collection and preparation…
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Most of the coal burned in the United States contains only trace amounts of chloride and fluoride. However, due to the increasing regulation of these compounds for clean air initiatives, being able to measure even small amounts of chloride and fluoride in coal has taken on a greater importance than ever. Recognizing this, ASTM International Committee D05 on Coal and Coke has begun to develop a…
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ASTM International Committee D05 on Coal and Coke is seeking participation in the development of a proposed new standard, WK9165, Test Methods for Loss on Ignition of Solid Combustion Residues. According to John Riley, a recently retired chemistry professor at Western Kentucky University, the question of how loss on ignition testing is done is an issue that a task group he chairs began looking at…
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Natural gas from unconventional sources, such as from coal beds (coal bed methane), has become a common target for exploration in recent years. Coal gas demand continues to grow and is expected to provide about 10 percent of U.S. production in the future. However, there are no standards available that describe procedures used to determine the gas content of North American coal and the most…