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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 1300 Period Tables in the database: 

  Text Search:       


Periodic Tables from the year 1880:

1880   Discovery of Gadolinium
1880   Periodische Gesetzmässigkeit der Elemente nach Mendelejeff


Year:  1880 PT id = 844

Discovery of Gadolinium

Gd

Gadolinium, atomic number 64, has a mass of 157.25 au.

Gadolinium was first observed or predicted in 1880 by J. C. G. de Marignac and first isolated in 1886 by P.E.L. de Boisbaudran.

Chronology of chemically the splitting of ceria (mixed oxides) into the pure rare-earth metals:

From: CRC Handbook on the Physics and Chemistry of Rare Earths, Chapter 248. Accommodation of the Rare Earths in the Periodic Table: A Historical Analysis
by Pieter Thyssen and Koen Binnemans (ISBN: 978-0-444-53590-0)

Chronology of chemically the splitting of yttria (mixed oxides) into the pure rare-earth metals:

From: CRC Handbook on the Physics and Chemistry of Rare Earths, Chapter 248. Accommodation of the Rare Earths in the Periodic Table: A Historical Analysis
by Pieter Thyssen and Koen Binnemans (ISBN: 978-0-444-53590-0)

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Year:  1880 PT id = 928

Periodische Gesetzmässigkeit der Elemente nach Mendelejeff

A lecture theatre sized periodic table, titled Periodische Gesetzmässigkeit der Elemente nach Mendelejeff, found at St Andrew's University, published and printed in Austria and dating from about from about 1880. Read more about this in The Guardian.

Two YouTube videos about this PT:



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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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