18th century chemical affinity table

18th century chemical affinity table

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Credit: SHEILA TERRY/SCIENCE PHOTO LIBRARY

Caption: 18th century chemical affinity table. Historical chart describing the tendency of different substances to combine with each other. This was the first ever affinity table, published in 1718 by the French chemist Etienne Francois Geoffroy (1672-1731). Each substance is represented by a different symbol. At the top of each column is a substance (header) with which all those below can combine. Each row below the header is ranked by degrees of affinity. A key to the symbols used can be seen at the bottom.

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Keywords: 1700s, 1718, 18th century, affinity table, chart, chemical, chemicals, chemistry, diagram, element, elements, etienne francois geoffroy, first, historical, history, history of science, key, physical, physics, rank, ranked, ranking, reaction, reactions, substance, substances, symbol, symbols, table, tendencies, tendency

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