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: Dr Mark R Leach.
Use the buttons below to select from the 1000+ Periodic Tables in the database:
International Rectifier Corporation Periodic Table
International Rectifier Corporation was an American power management technology company manufacturing analog and mixed-signal ICs, advanced circuit devices, integrated power systems, and high-performance integrated components for computing. It is now part of Infineon Technologies.
The periodic table below was produced in the late 1950s to early 1960s. The earliest version we can find on the web dates from 1960.
© Mark R. Leach 1999-
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This free, open access web book is an ongoing project and your input is appreciated.