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Investigates ionization cross-sections in polyatomic oxides, indicating potential underestimations in vapor pressures.
The ionization cross-sections of B2O3, NaBO2, NaPO3, and KPO3 were determined by high-temperature mass spectrometry. It is shown that the use of the additivity rule for calculating the ionization cross-sections leads to underestimated partial pressures of the molecular forms of vapor above the objects being studied, even when appropriate correction factors are introduced.
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Lopatin et al. (2026) studied this question.
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