By Kevin Ashley, editor
9 peer-reviewed papers give you the most recent study on beryllium pattern assortment, education, and dimension. STP 1473 additionally identifies new parts of criteria improvement referring to beryllium sampling and analytical tactics. subject matters disguise: Beryllium Disease--Exposure tracking and Standardization concerns: an review of beryllium affliction and efforts to minimize employee exposures via more suitable tracking equipment and the improvement of normal methodologies. Papers talk about the commercial makes use of of beryllium, the background of beryllium sickness, occupational publicity tracking, and standardization of sampling and analytical equipment. Beryllium publicity dimension and Reference Materials--National and overseas views: worldwide efforts and development in beryllium occupational tracking, in addition to the improvement and characterization of beryllium reference fabrics. functions of sampling and analytical how you can commercial hygiene chemistry and perform are highlighted, and wishes for reference fabrics containing beryllium oxide are pointed out. On-Site tracking for Beryllium--Sampling and Analytical points: new moveable analytical equipment for choosing hint beryllium in samples from air and surfaces, time qualitative and semi-quantitative equipment, and close to real-time quantitative ideas for ultra-trace Be research.
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Additional resources for Beryllium: Sampling and Analysis (ASTM special technical publication, 1473)
Reference Materials for Method Validation Reference materials intended to validate the entire analytical method are designed to represent, as faithfully as possible, the chemical matrix, physical form, and analyte levels of the target sample. By testing the validity of the entire analytical method, such reference materials ensure to a greater degree the quality of analytical results for real samples. For all their benefits, however, matrix reference materials are much more difficult to develop.
32 BERYLLIUM: SAMPLING AND ANALYSIS To improve measurement science, NIST produces and distributes CRMs under the registered name Standard Reference Material® (SRM). Thus, an SRM is a CRM that is issued by NIST. An SRM is certified for specific chemical or physical properties and is issued by NIST with a certificate that reports the results of the characterization and indicates the intended use of the material. The three technical categories of SRMs are chemical composition, physical properties, and engineering materials.
ON REFERENCE MATERIALS FOR BERYLLIUM 39 Blocks, Chips, and Rods of Beryllium-Copper Alloy SRMs for beryllium in various solid copper alloys have been available from NIST since the early 1980s. High-purity copper was melted with several minor and trace elements to produce SRMs 1121, C1121, 1122, C1122, 1123, and C1123. The materials with the “C” designation were the chill-cast SRMs. ) thick. ) thick. 92 % in C1121. 75 %, is presently available for sale. The others in this series have been sold out and discontinued.
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