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James Ballantyne Hannay
(1855-1890), a self-made scientist and skilful experimenter, discovered
that supercritical fluids dissolve solids, studied the influence of
pressure and temperature, and thus set the stage for the development of
the powerful analytical and separation technique of supercritical gas
extraction. He proved that the critical state is not the solution of one
phase in the other, but the gas and liquid phases become one, having
uniform properties throughout. He invented the time method technique
that allows determining the existence and nature of hydrates in simple
and complex salts. He was the first to prepare artificial diamonds and
studied the toasting of pyrite and how to manufacture lead, its oxides
and salts in a state of high purity.
Read more about him here (pdf) |
