RT Journal Article
T1 Effect of dissolved salt on the anomalies of water at negative pressure
A1 Zaragoza, Alberto
A1 Tripathi, Chandra Shekhar Pati
A1 González, Miguel A.
A1 Fernández Abascal, José Luis
A1 Caupin, Frédéric
A1 Valeriani, Chantal
AB Adding salt to water at ambient pressure affects its thermodynamic properties. At low salt concentration, anomalies such as the density maximum are shifted to lower temperature, while at large enough salt concentration, they cannot be observed any more. Here, we investigate the effect of salt on an anomaly recently observed in pure water at negative pressure: the existence of a sound velocity minimum along isochores. We compare experiments and simulations for an aqueous solution of sodium chloride with molality around 1.2 mol kg(-1), reaching pressures beyond -100 MPa. We also discuss the origin of the minima in the sound velocity and emphasize the importance of the relative position of the temperatures of sound velocity and density anomalies.
PB Amer Inst Physics
SN 0021-9606
YR 2020
FD 2020-05-21
LK https://hdl.handle.net/20.500.14352/6372
UL https://hdl.handle.net/20.500.14352/6372
LA eng
NO We thank Mikhail A. Anisimov for helpful discussions on critical phenomena in solutions and Christoph Dellago and Andreas Singraber for providing the data used to plot Fig. 12. C.S.P.T. and F.C. acknowledge funding by the European Research Council under the European Community's FP7 Grant Agreement No. 240113. C.V. acknowledges funding from the Spanish Ministry of Education (Grant No. FIS2016-78847). A.Z. was funded by CONACYT (Ph.D. fellowship) and M.A.G. by the Spanish Ministry of Education (Juan de la Cierva fellowship).
NO Unión Europea. FP7
NO Ministerio de Educación, Cultura y Deportes (MECD)
NO CONACYT Consejo Nacional de Ciencia y Tecnología
NO Ministerio de Educación (Juan de la Cierva)
DS Docta Complutense
RD 7 abr 2025