Abstract:Pure CF3Br and mixtures of this substance with monoatomic (He, Ar and Xe),
homonuclear diatomic (H2, D2, N2), polyatomic gases (CF4) and NO have been
irradiated with a TEA CO2 laser. Carbon-13 enrichment factor and carbon-13 selectivity
have been estimated from the mass spectrometric analysis of the undissociated CF3Br as
a function of excitation wavelength, fluence, temperature and pressure. The irradiating
wavelength is a crucial parameter to achieve enrichment. The nature of the added gas
also affects consi… Show more
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