Sodium ammonium tartrates, [266]

—— nitrate and silver nitrate, [190]

—— sulphate and water, equilibria between, [134]

Sodium sulphate and water, vapour pressures of, [138], [140]

—— ——, anhydrous, dehydration by, [138]

—— ——, solubility of, [135]

—— —— decahydrate, solubility of, [134]

—— —— ——, transition point of, [136], [139]

—— —— heptahydrate, solubility of, [136]

—— —— ——, transition point of, [137]