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张韫宏
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期刊论文
Relating Hygroscopic Properties of Magnesium Nitrate to the Formation of Contact Ion Pairs
J. Phys. Chem. A 2004, 108, 1712-1718，-0001，（）：
The formation of contact ion pairs in Mg(NO3)2 solutions and their effects on the hygroscopic properties of the solutions were studied using Raman spectroscopy of Mg(NO3)2 droplets levitated in an electrodynamic balance. Upon reduction in the ambient relative humidity (RH), Mg(NO3)2 droplets lose water but do not effloresce. The molar water-to-solute ratio (WSR) decreases exponentially with decreasing RH, but it decreases linearly with RH when it is less than 6. This transition of hygroscopicity at WSR) 6 coincides with an abrupt blue shift of the
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