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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 1885:

1885   Discovery of Praseodymium
1885   Discovery of Neodymium
1885   Carnelley & The Periodic Law
1885   Klieber's Cosmochemical Periodic Table


1885

Discovery of Praseodymium

Pr

Praseodymium, atomic number 59, has a mass of 140.908 au.

Praseodymium was first isolated in 1885 by Carl Auer von Welsbach.

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)

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1885

Discovery of Neodymium

Nd

Neodymium, atomic number 60, has a mass of 144.242 au.

Neodymium was first isolated in 1885 by Carl Auer von Welsbach.

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)

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1885

Carnelley & The Periodic Law

From page 172 of The Development of the Periodic Law by Venable, Francis Preston (1856-1934), Easton, Pa. Chemical Pub. Co (1896). The full text (scanned) is available from archive.org.

Venable writes:



Thanks to René for the tip!

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1885

Klieber's Cosmochemical Periodic Table

Klieber's qualitative synthesis of the general composition of celestial objects in the form of a plane periodic system following atomic numbers. His diagram is probably one of the earliest versions of a "cosmochemical periodic table". (The diagram below is clearly redrawn as it has a very modern style.)

I.A. Kleiber, Zh. Russ. Fiziko-Khim. Obshch (St. Petersburg) 1885, 17, 147-171.


Thanks to Eric Scerri for the tip! 
See the website EricScerri.com and Eric's Twitter Feed.

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What is the Periodic Table Showing? Periodicity

© Mark R. Leach Ph.D. 1999 –


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