1975
DOI: 10.1051/jcp/1975720851
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Polymorphisme et isopolymorphisme de phénols parasubstitués

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Cited by 77 publications
(110 citation statements)
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“…At the beginning of the previous century Jean Perrin 1,2 verified with simple yet brilliant experiments that the concentration of colloidal particles in dilute suspension varied exponentially with height when allowed to reach dynamic equilibrium in the earth's gravitational field. From these measurements he obtained Avogadro's number.…”
Section: Introductionmentioning
confidence: 96%
“…At the beginning of the previous century Jean Perrin 1,2 verified with simple yet brilliant experiments that the concentration of colloidal particles in dilute suspension varied exponentially with height when allowed to reach dynamic equilibrium in the earth's gravitational field. From these measurements he obtained Avogadro's number.…”
Section: Introductionmentioning
confidence: 96%
“…Os primeiros relatos encontrados na literatura científica a respeito da cristalização de partículas coloidais foram descritos por J. Perrin [9] no ano de 1909, onde em seu clássico trabalho, o cientista utilizando-se de resultados obtidos por microscopia, fez a medida do tamanho de partícu-las submicrométricas que suportadas em um substrato sólido formavam um arranjo bidimensional. Foi mostrado que o ordenamento das esferas começava quando a espessura da camada de água da suspensão de partículas se tornava igual ao diâme-tro das mesmas.…”
Section: Cristalização Coloidalunclassified
“…One such case, in which nowadays direct observations are relatively straightforward, is the Brownian motion. In the period 1908-1915 Perrin was able to make observations in simple, brilliant experiments that confirmed the theory of Einstein and led to the determination of Avogadro's number [6]. The direct observation of critical fluctuations had to wait till 1966 and was the last preoccupation by Debye [7].…”
Section: Introductionmentioning
confidence: 99%