Arthur Amos Noyes

Arthur Amos Noyes
Arthur Amos Noyes
Nascimento 13 de setembro de 1866
Newburyport
Morte 3 de junho de 1936 (69 anos)
Califórnia
Nacionalidade estadunidense
Cidadania Estados Unidos
Alma mater Instituto de Tecnologia de Massachusetts, Universidade de Leipzig
Ocupação químico, professor universitário, educador
Distinções Prêmio Willard Gibbs (1915), Medalha Davy (1927)
Empregador(a) Instituto de Tecnologia da Califórnia, Instituto de Tecnologia de Massachusetts
Orientador(a)(es/s) Wilhelm Ostwald
Orientado(a)(s) Roscoe Gilkey Dickinson
Instituições Instituto de Tecnologia de Massachusetts, Instituto de Tecnologia da Califórnia
Campo(s) química

Arthur Amos Noyes (13 de setembro de 18663 de junho de 1936) foi um químico estadunidense.

Foi presidente do Instituto de Tecnologia de Massachusetts, entre 1907 e 1909. Ph.D. em 1890 na Universidade de Leipzig, orientado por Wilhelm Ostwald. Roscoe Gilkey Dickinson foi um de seus famosos alunos. Foi professor de química no Instituto de Tecnologia da Califórnia (Caltech), de 1919 a 1936. Exerceu grande influência na filosofia educacional e no currículo básico do Caltech.

Equação de Noyes-Whitney

Juntamente com Willis Rodney Whitney, formulou a equação de Noyes-Whitney em 1897, que relaciona a taxa de solvatação de sólidos às propriedades do sólido e à dissolução do meio. É uma equação fundamental em farmacologia. A relação é dada por

,

onde:

  • é a taxa de dissolução
  • A é a área superficial do sólido
  • C é a concentração do sólido no meio solvente
  • é a concentração do sólido na camada difusora envolvendo o sólido
  • D é o coeficiente de difusão
  • L é a espessura da camada de difusão.

Bibliografia

  • "Arthur Amos Noyes: Sept. 13, 1866-June 3, 1936 (A biographical memoir)," in Biographical Memoirs, Vol. 31, Columbia University Press (For the National Academy of Sciences of the United States), New York, 1958, pp. 322-346.
  • Dictionary of Scientific Biography, Charles Scribner's Sons, 1970-1990, vol. 10, pp. 156-157.
  • Biog. Mem. Nat. Acad. Sci., 1958, 31, pp. 322-346.
  • Proc. Welch Fdn. Conf. 1977, 20, pp. 88-105.
  • Science 1936, 83, pp. 613-614.
  • Science 1936, 84, pp. 217-220.
  • Sci. Monthly 1936, 43, pp. 179-181.
  • Ind. Eng. Chem. 1931, 23, pp. 443-445.
  • American Chemists and Chemical Engineers, Ed. W.D. Miles, American Chemical Society, 1976, pp. 371-372.
  • Proc. Am. Acad. Arts Sci. 1940, 74, pp. 150-155.

Ligações externas


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