H. W. Bakhuis Roozeboom was a dutch chemist who gained his reputation for works on phase behaviour in physical chemistry.

H. W. Bakhuis Roozeboom (sometimes "Bakhuys") was born on 24.10.1854 in Alkmaar in the Netherlands, he studied Chemistry in Leiden and worked there as a teacher. In 1896, he became professor for chemistry in Amsterdam, where he died on 8.2.1907.

His main work was in the field of thermodynamics, he studied the equilibrium of multiple-phase systems. The theoretical foundations for this were laid by J. Willard Gibbs with his phase rule, but Roozeboom would be the one to apply the theory and demonstrate its usefulness. He is mainly remembered for his melting phase diagrams of metal alloys, i.e. studying how mixtures of metals melt depending on the relative amounts of the components, which is important for metallurgy. He also contributed to the science of chiral substances, he clarified how to distinguish the different types of crystalline racemates and predicted how mixtures of enantiomers behave in a heterogeneous system of solid and solution.H. W. B. Roozeboom, Zeitschrift fuer Physikalische Chemie, Stoechiometrie und Verwandtschaftslehre, 1899, 28, 494-517.

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