Effects of Salts of the Hofmeister Series on the Hydrogen Bond Network of Water.

Effects of Salts of the Hofmeister Series on the Hydrogen Bond Network of Water.
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DOI:
10.1016/j.molliq.2008.07.010
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发表时间:
2008-10-20
影响因子:
6
通讯作者:
Vanderkooi JM
Vanderkooi JM
中科院分区:
化学2区
文献类型:
--
作者:
Nucci NV;Vanderkooi JM

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The effect of salts on water behavior has been a topic of interest for many years; however, some recent reports have suggested that ions do not influence the hydrogen bonding behavior of water. Using an effective two-state hydrogen bonding model to interpret the temperature excursion infrared response of the O-H stretch of aqueous salt solutions, we show a strong correlation between salt effects on water hydrogen bonding and the Hofmeister order. These data clearly show that salts do have a measurable impact on the equilibrium hydrogen bonding behavior of water and support models which explain Hofmeister effects on the basis of solute charge density.
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