Effect of Dissolved NaCl on Freezing Curves of Kaolinite, Montmorillonite, and Sand PastesTHEORY - SR99_020011Systems with pure liquid-water phases-continueSystems with aqueous-electrolyte-solution liquid phasesMATERIALS AND METHODS - SR99_020014Experimental procedure - SR99_020015EXPERIMENTAL RESULTSTable 2. Unfrozen-water contents, as measured by pulsed NMR, of kaolinite pastes cooled from 0C to 66.6CTable 4. Unfrozen-water contents, as measured by pulsed NMR, of montmorillonite pastes cooled from 0C to -66.6CTable 6. Unfrozen-water contents, as measured by pulsed NMR, of sand pastes cooled from 0C to -66.6CFigure 2. Unfrozen water contents, as measured by pulsed NMR, of freezing kaolinite pastes warmed from -66.6C to 0CFigure 6. Unfrozen water contents, as measured by pulsed NMR, of freezing sand pastes warmed from -66.6C to 0CMolar entropy of iceMolar entropies of electrolyte solutionsStandard-state entropy of liquid water at subzero temperaturesFigure 8. Constant-pressure heat capacity of H2O(l) and H2O(cr,I) Standard-state entropy of NaCl(aq)Activity of H2OActivity of NaCl(aq)Molar volume of the liquid solutionPlots of capillary pressures against liquid specific volumesFigure 10. Relationships between unfrozen-solution specific volumes and ice-solution capillary pressures for kaolinite pastes warmed from -66.6C to 0CFigure 13. Relationships between unfrozen-solution specific volumes and ice-solution capillary pressures for sand pastes cooled from 0C to -66.6CCONCLUSION - SR99_020033LITERATURE CITED-continued - SR99_020034LITERATURE CITED-continued - SR99_020035APPENDIX A: EFFECT OF CONCENTRATION SCALES ON ACTIVITIESAPPENDIX A. Continued - SR99_020037Report Documentation Page - SR99_020038SR99_02