—— ——, hydrates of, [151], [153]

—— ——, hydrogen chloride and water, systems of, [290]

Ferrite, modifications of, [224]

Freedom, degree of, [14]

Freezing mixtures, [120]

—— point, natural, [198]

Fusion curve, [66]

—— —— of ice, [25]

—— of ice, influence of pressure on, [26]

——, partial, [139]