The apparent reversal of the Law of Mass Action in concentrated multicomponent aqueous solutions

JG Reynolds, ET Nienhuis, ST Mergelsberg… - Journal of Molecular …, 2023 - Elsevier
Although it is well known that aqueous electrolyte solutions behave non-ideally, few are so
non-ideal that adding an electrolyte to a saturated solution with a common ion enhances …

[HTML][HTML] Cations impact radical reaction dynamics in concentrated multicomponent aqueous solutions

ET Nienhuis, TR Graham, NL D'Annunzio… - The Journal of …, 2023 - pubs.aip.org
Ultraviolet (UV) photolysis of nitrite ions (NO 2−) in aqueous solutions produces a suite of
radicals, viz., NO·, O−,· OH, and· NO 2. The O− and NO· radicals are initially formed from the …

Tracking nitrite's deviation from Stokes–Einstein predictions with pulsed field gradient 15 N NMR spectroscopy

TR Graham, Y Wei, ED Walter, ET Nienhuis… - Chemical …, 2023 - pubs.rsc.org
Predicting the behavior of oxyanions in radioactive waste stored at the Department of
Energy legacy nuclear sites requires the development of novel analytical methods. This …

Structure and reactivity of sodium aluminate complexes in alkaline solutions

ET Nienhuis, M Pouvreau, TR Graham… - Journal of Molecular …, 2022 - Elsevier
The underlying mechanism by which tetrahedrally-coordinated aluminate solution species
react to precipitate octahedrally-coordinated Al 3+ in gibbsite is unknown. Sodium aluminate …

Cation coordination polyhedra lead to multiple lengthscale organization in aqueous electrolytes

Y Wei, ET Nienhuis, ST Mergelsberg… - Chemical …, 2023 - pubs.rsc.org
Understanding multiple lengthscale correlations in the pair distribution functions (PDFs) of
aq. electrolytes is a persistent challenge. Here, the coordination chemistry of polyoxoanions …

A review of sodium nitrite solubility in water and physical properties of the saturated solutions

JG Reynolds, MD Britton… - Journal of Chemical & …, 2021 - ACS Publications
The solubility of sodium nitrite (NaNO2) in water is important to many industries, including
those of heat pumps, oil extraction, and the management of alkaline nuclear waste. This …

Anionic Effects on Concentrated Aqueous Lithium Ion Dynamics

RG Felsted, TR Graham, Y Zhao… - The Journal of …, 2024 - ACS Publications
The dynamics, orientational anisotropy, diffusivity, viscosity, and density were measured for
concentrated lithium salt solutions, including lithium chloride (LiCl), lithium bromide (LiBr) …

Ion hydration controls self-diffusion in multicomponent aqueous electrolyte solutions of NaNO2-NaOH-H2O

JG Reynolds, TR Graham, CI Pearce - Journal of Molecular Liquids, 2022 - Elsevier
Determining the diffusive properties of multicomponent electrolyte mixtures is challenging
because the compositional space is large. Here, this complexity was accounted for in …

Extending Zavitsas' hydration model to the thermodynamics of solute mixtures in water

JG Reynolds, TR Graham, CI Pearce - Journal of Molecular Liquids, 2022 - Elsevier
While Zavitsas' hydration model has been used to determine the activity of water in
electrolyte solutions, it has not previously been demonstrated to model the activities of …

Spectroscopic features of dissolved iodine in pristine and gamma-irradiated nitric acid solutions

TR Graham, BN Gartman, A Bautista, LEI Irwin… - Journal of Molecular …, 2023 - Elsevier
While iodine speciation is important for a wide range of nuclear safety activities,
understanding the mechanisms of the transformations of iodine between chemical forms and …