The role of urea in formation of the sodium acetate trihydrate (SAT)–urea eutectic liquid: a neutron diffraction and isotopic substitution study

Author:

Byrne Emily L.1ORCID,Madhukailya Sanskrita1ORCID,Alderman Oliver L. G.2,Blesic Marijana1ORCID,Holbrey John D.1ORCID

Affiliation:

1. The QUILL Research Centre, School of Chemistry and Chemical Engineering, Queen's University Belfast, David Keir Building, Stranmillis Road, Belfast BT9 5AG, UK

2. ISIS, Rutherford Appleton Laboratory, Harwell Science & Innovation Campus, Didcot, Oxfordshire, OX11 0DE, UK

Abstract

Sodium is predominantly six coordinate in the SAT–urea eutectic, hydrated by two-thirds of available water with urea competing to solvate both sodium and ‘excess’ water enabling congruent melting at the eutectic composition.

Funder

ISIS Neutron and Muon Source

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

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