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Abstract <p>The solubility of radium, barium, and lead nitrates in aqueous solutions of acetic acid and its mixtures with 0.5 to 16 M nitric acid was determined. For aqueous solutions of acetic acid, the solubilities of radium, barium, and lead nitrates decrease monotonically with increasing mass fraction of CH<sub>3</sub>COOH, and for glacial acetic acid they are 0.0027, 0.010, and 0.069 g/kg solvent, respectively. For mixtures of acetic and nitric acids, the solubilities pass through a minimum corresponding to 96–99 wt % CH<sub>3</sub>COOH.</p>

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Solubility of Radium, Barium, and Lead Nitrates in the CH3COOH–HNO3–H2O System

  • 期刊论文

  • 发表日期：

    2025年8月1日

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  • P. S. Butkalyuk,
  • I. L. Butkalyuk,
  • V. A. Golovanov,
  • S. V. Bogatov,
  • R. G. Abdullov,
  • K. V. Rotmanov

摘要

Abstract

The solubility of radium, barium, and lead nitrates in aqueous solutions of acetic acid and its mixtures with 0.5 to 16 M nitric acid was determined. For aqueous solutions of acetic acid, the solubilities of radium, barium, and lead nitrates decrease monotonically with increasing mass fraction of CH3COOH, and for glacial acetic acid they are 0.0027, 0.010, and 0.069 g/kg solvent, respectively. For mixtures of acetic and nitric acids, the solubilities pass through a minimum corresponding to 96–99 wt % CH3COOH.