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Abstract <p>The ionization cross-sections of B<sub>2</sub>O<sub>3</sub>, NaBO<sub>2</sub>, NaPO<sub>3</sub>, and KPO<sub>3</sub> 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.</p>

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Electron Ionization Cross-Sections of Polyatomic Oxide Molecules Determined by High-Temperature Mass Spectrometry

  • 期刊论文

  • 发表日期：

    2026年3月1日

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  • S. I. Lopatin,
  • E. A. Balabanova

摘要

Abstract

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.