00000nam 2200000za 4500 9.821339 CaOODSP 20240219183447 cr ||||||||||| 160719s2012 onc|||||o f000 0 eng d CaOODSP eng eng fre n-cn--- D68-6/169-2012E-PDF Drover, Vincent. Compositional analysis of tungsten tool steels by inductively coupled plasma mass spectrometry [electronic resource] / by Vincent Drover. [Ottawa] : Defence Research and Development Canada, c2012. viii, 18 p. : tables, graphs. Technical Memorandum ; 2012-169 "October 2012." Includes bibliographical references. High-speed tool steels are used in a number of applications, such as high-speed cutting tools, valves, and turbines, but their composition can be difficult to determine by conventional methods. Using inductively coupled plasma mass spectrometry (ICP-MS) for the elemental analysis of Tclass high-speed tool steels is problematic due to their chemical resistance toward acid-based dissolution reagents typically used for ferrous alloys. Development of a suitable method for analysis of high-speed tool steels using available instrumentation, such as ICP-MS, is desirable. In the current study, a hydrogen peroxide-based digest procedure was developed for the dissolution of high-speed tool steels containing 1-18% tungsten, with elemental analysis conducted by ICP-MS. Samples of high-speed tool steels were dissolved in a solution of 6% hydrogen peroxide and 10% aqua regia for determination of tungsten, with subsequent digestion in 50% aqua regia for analysis of remaining alloy elements. The method was successfully applied to a range of high-speed tool steels of different chemical compositions, achieving nearly quantitative recoveries of alloying elements with a high degree of reproducibility. gccst Technical reports Chemical analysis Hydrogen peroxide Defence R&D Canada. Technical memorandum (Defence R&D Canada) 2012-169 (CaOODSP)9.820564 PDF 677 KB https://publications.gc.ca/collections/collection_2016/rddc-drdc/D68-6-169-2012-eng.pdf