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March 13, 2026RSC Advances0 citationsOpen Access

Solution structures in alkali nitrates and nitrites at high concentrations

SMSebastian T. MergelsbergPacific Northwest National LaboratoryTGTrent R. GrahamENEmily T. NienhuisPacific Northwest National Laboratory

Key Points

  • The aim is to explore how cation size influences molecular and mesoscale interactions in alkali nitrates and nitrites.
  • Utilized SAXS (Small-Angle X-ray Scattering) and Raman spectroscopy for analysis.
  • Investigated effects of different sized cations on ion pairing and structuring.
  • Examined samples at high concentrations to observe interactions.
  • Smaller cations promote localized ion pairs among nitrate and nitrite ions.
  • Larger cations lead to cooperative mesoscale structuring, impacting overall electrolyte behavior.
  • Identified the molecular–mesoscale interactions crucial for industrial applications.

Abstract

SAXS and Raman reveal smaller cations favor localized ion pairs, while larger cations induce cooperative mesoscale structuring, resolving molecular–mesoscale interactions in electrolytes relevant to industrial, energy & waste management applications.

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Cite This Study

Mergelsberg et al. (2026) studied this question.

synapsesocial.com/papers/69b3ab4c02a1e69014ccc1b5https://doi.org/10.1039/d5ra07630g
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