STUDIES IN ION SOLVATION IN NON-AQUEOUS SOLVENTS AND THEIR AQUEOUS MIXTURES .19. FREE-ENERGIES OF TRANSFER OF ALKALI-METAL CHLORIDES FROM WATER TO DMSO + WATER MIXTURES UP TO 40-PERCENT-(W-W) DMSO, OF SODIUM-CHLORIDE TO 60-PERCENT-(W-W) DMSO AND OF POTASSIUM-BROMIDE AND IODIDE TO 10-PERCENT-(W-W) DMSO - COMPARISON WITH SILVER-CHLORIDER