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2 de may. de 2019 · Berzelius around 1807 Jöns Jacob Berzelius (1779-1848) was not only the enigmatic Swedish chemist of his time but also an accomplished medical doctor, active humanitarian, co-founder of the Karolinska Institute, and secretary of the Royal Swedish Academy of Sciences for thirty years. He also mastered the pen, leaving 7000.
The credit for discovering silicon really goes to the Swedish chemist Jöns Jacob Berzelius of Stockholm who, in 1824, obtained silicon by heating potassium fluorosilicate with potassium. The product was contaminated with potassium silicide, but he removed this by stirring it with water, with which it reacts, and thereby obtained relatively pure silicon powder.
Jöns Jacob Berzelius was so impressed with the work of Richter and Dalton that he analyzed 2000 compounds to provide the experimental basis for the atomic theory. Working in a laboratory with facilities no more elaborate than a kitchen, Berzelius prepared and purified the necessary reagents, developed the techniques to perform the analyses, and collected data on the relative weights of atoms ...
Berzelius - his life and work was written by J. Erik Jorpes and published in 1966 and 1970 (originally in Swedish, first published in 1949). Leicester, Henry (1970-80). "Berzelius, Jöns Jacob". Dictionary of Scientific Biography 2. New York: Charles Scribner's Sons. 90-97. ISBN 0684101149.
Berzelius was one of the most prominent chemists of the 19th century; his scientific contributions were fundamental to the understanding of chemistry and the setting of standards for experimental work. He taught the chemical profession that chemistry should be conducted on a rigorous stoichiometric foundation. Although many of his ideas were eventually modified or proved wrong, he set the ...
Berzelius, Jöns (1779-1848) Swedish chemist who was a disciple of Dalton. He developed the concepts of the ion and ionic compounds. This theory made the idea of the O 2 molecule ridiculous, and helped bring about the rejection of Avogadro's Hypothesis. Berzelius embarked on a systematic program to try to make accurate and precise quantitative ...
