Spectrochemical Determination of Impurities in Rutile

金紅石內에 포함된 不純物의 分光化學的 測定

  • Jae-Young Hwang (Laboratory for Insulation Research Massachusetts Institute of Technology Cambridge. Massachusetts)
  • 황재영 (Massachusetts 기술연구소 절연 연구실)
  • Published : 19660600


A spectrochemical method for the determination of the major impurities, such as aluminum, iron, magnesium and silicon, in rutile single crystals and variously doped rutile is presented. By applying higher current (12 amp) and a 1:2 sample-to-graphite dilution by weight, the elaborate sample preparation needed for conventional fusion technique was avoided, and relatively higher detection limits were established. Average deviations are approximately ${\pm}8%$ for iron and magnesium in the concentration ranges of 0.007 to 0.7% and 0.006 to 0.6% respectively, and ${\pm}5%$ for aluminum and silicon in the range of 0.005 to 0.5%.



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