Thomas Graham

Thomas Graham
Thomas Graham
Lei de Graham
Nascimento 20 de dezembro de 1805
Glasgow
Morte 16 de setembro de 1869 (63 anos)
Londres
Nacionalidade escocês
Cidadania Reino Unido da Grã-Bretanha e Irlanda
Alma mater
Ocupação químico, professor universitário, físico
Distinções Medalha Real (1838), (1850), Medalha Copley (1862)
Empregador(a) Universidade de Londres
Instituições Royal College of Science and Technology, University College London
Campo(s) química
Assinatura
Assinatura de Thomas Graham

Thomas Graham (Glasgow, 20 de dezembro de 1805Londres, 16 de setembro de 1869) foi um químico escocês, conhecido por suas pesquisas na difusão de gases e líquidos na química dos colóides.

Estudou nas universidades de Edimburgo e de sua cidade natal. Ensinou química em Glasgow e no University College London. Desde 1855 até sua morte foi diretor da Real Fábrica de Moeda.

Graham demonstrou que a velocidade de difusão de um gás é inversamente proporcional à raiz quadrada de sua densidade, relação conhecida na atualidade como lei de Graham. No campo da química dos colóides foi o primeiro a distinguir entre estes e os cristalóides. Descobriu o método da diálise para separar os colóides de uma série de soluções.

Ligações externas


Precedido por
William Whewell
Medalha Real
1838
com William Henry Fox Talbot
Sucedido por
James Ivory e Martin Barry
Precedido por
Edward Sabine e Gideon Mantell
Medalha Real
1850
com Benjamin Collins Brodie
Sucedido por
William Parsons e George Newport
Precedido por
Louis Agassiz
Medalha Copley
1862
Sucedido por
Adam Sedgwick


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