• P-ISSN1225-0163
  • E-ISSN2288-8985
  • SCOPUS, ESCI, KCI

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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

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    ISOTOPIC-SPECTRAL DETERMINATION OF CARBON IN HIGH PURITY INORGANIC MATERIALS

    Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
    1995, v.8 no.4, pp.477-480
    Lee, V.N.
    Nemets, V.M.
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    Abstract

    Isotopic-spectral method [I] was applicated for determination of carbon in silicate materials (pure silica, guartz glasses, geological probs etc.). Isotopic heterogeneous balancing of carbon in gaseous phase and solid samples was carried out at the temperature of <TEX>$1500-1900^{\circ}K$</TEX>. Spectroscopic measuring of isotope concentration in a balanced gas was made using the electron-vibrational band heads of CO molecules excited in HF discharge. Limits of detection of carbon concentrations appear to be <TEX>$n^*10^{-6}$</TEX>.

    keywords
    Isotopic-spectral method, heterophase balancing, isotopic composition measurement [I]


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