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The INTERNET Database of Periodic Tables

There are thousands of periodic tables in web space, but this is the only comprehensive database of periodic tables & periodic system formulations. If you know of an interesting periodic table that is missing, please contact the database curator: Mark R. Leach Ph.D.

Use the drop menus below to search & select from the more than 1100 Period Tables in the database:

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Periodic Table formulations from the year 1843:

1843   Gmelin's System


1843

Gmelin's System

L. Gmelin, Handbuch der chemie, 4th ed., Heidelberg, 1843, vol. 1, p. 457 (Many thanks to Carmen Giunta for the ref. update & link.)

The early and important Gmelin formulation redrawn by Mark Leach with modern element symbols:

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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