Jöns Jacob Berzelius, An Attempt to Establish a Pure Scientific System of Mineralogy (1814), trans. J. Black, 48.
“Every chemical combination is wholly and solely dependent on two opposing forces, positive and negative electricity, and every chemical compound must be composed of two parts combined by the agency of their electrochemical reaction, since there is no third force. Hence it follows that every compound body, whatever the number of its constituents, can be divided into two parts, one of which is positively and the other negatively electrical.”
Jöns Jacob Berzelius Essai sur la théorie des proportions chemiques (1819), 98. Quoted by Henry M. Leicester in article on Bessel in Charles Coulston Gillespie (editor), Dictionary of Scientific Biography (1981), Vol. 2, 94.
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Jöns Jacob Berzelius 6
Swedish chemist 1779–1848Related quotes
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And Even Now http://www.gutenberg.org/dirs/etext99/evnow10.txt (1920)
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Sketches from Life (1846)