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" the quantity of salt, which diffuses through a given area, is proportional to the difference between the concentrations of two areas infinitely near each other. "
A System of Physical Chemistry ... - Page 415
by William Cudmore McCullagh Lewis - 1916 - 1075 pages
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Solutions

Wilhelm Ostwald - 1891 - 346 pages
...the phenomena of diffusion, A. Fick1 put forward, tentatively, the statement that, the quantity of a salt which diffuses through a given area is proportional to the difference between the concentrations of two areas infinitely near one another. This fundamental supposition made by Fick follows, as a necessary...
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Lecture-notes on Theoretical Chemistry

Ferdinand Gerhard Wiechmann - 1893 - 260 pages
...thoroughly investigate this matter, and in 1855 Fick advanced the theory that, " the quantity of a salt which diffuses through a given area is proportional to the difference between the concentrations of two areas infinitely near one another." The truth of this statement was demonstrated by an investigation...
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A Treatise on Metamorphism

Charles Richard Van Hise - 1904 - 414 pages
...wanders in a solvent, is proportional to the degree of concentration.l' Therefore, "the quantity of a salt which diffuses through a given area is proportional to the difference between the concentrations of two areas infinitely near one another."" In other words, diffusion is proportional to the difference...
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Inorganic Chemistry: With the Elements of Physical and Theoretical Chemistry

John Iredelle Dillard Hinds - 1905 - 700 pages
...diffusion. The first of these conclusions was expressed by A. Fick in the following form: The quantity of a salt which diffuses through a given area is proportional to the difference between the concentrations of two areas infinitely near one another. This law is known as Fick 's law of diffusion, and has been...
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The Chemistry and Physics of Dyeing: Being an Account of the Relations ...

William Porter Dreaper - 1906 - 336 pages
...formation. The rate of diffusion in the former case is therefore very rapid and complete. Pick's law " that the quantity of salt which diffuses through a given...area is proportional to the difference between the concentration of the two areas infinitely near to each other," was found not to be true for animal...
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Physical Review, Volume 27; Volume 1908

1908 - 558 pages
...date, its principles were first applied to diffusion by Pick, who in 1854,' expressed the law that the quantity of salt which diffuses through a given...proportional to the difference between the concentrations of two areas infinitely near to each other. That is, if we take two points in a solution at an infinitesimal...
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Igneous Rocks: Composition, Texture and Classification ..., Volume 1

Joseph Paxson Iddings - 1909 - 510 pages
...dissolving it, but the general law, announced by Fick, is that for each kind of substance the quantity which diffuses through a given area is proportional to the difference between the concentrations of the two areas infinitely near one another, or is proportional to the difference in concentration....
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Roberts-Austen: A Record of His Work. Being a Selection of the Addresses and ...

Sir William Chandler Roberts-Austen - 1914 - 454 pages
...framed by Pick, would also apply to the diffusion of one metal in another. Fick's law states that " the quantity of salt, which diffuses through a given...proportional to the difference between the concentrations of two areas infinitely near each other." Fourier's theory of thermal conduction was applied by Pick...
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Roberts-Austen: A Record of His Work. Being a Selection of the Addresses and ...

Sir William Chandler Roberts-Austen - 1914 - 468 pages
...framed by Fick, would also apply to the diffusion of one metal in another. Fick's law states that " the quantity of salt, which diffuses through a given...proportional to the difference between the concentrations of two areas infinitely near each other." Fourier's theory of thermal conduction was applied by Fick...
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Textbook of Physical Chemistry

Azariah Thomas Lincoln - 1918 - 568 pages
...different rates of diffusion in water of a few substances. 1 On the assumption of Prick's Law that the quantity of salt which diffuses through a given...between the concentrations at two areas infinitely near each other, the diffusion constant or specific diffusion rate is " equal to an amount of the solution...
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