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Chem4Kids.com! The web site that teaches the basics of chemistry to everyone!

Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

CRI Catalyst Company (CRICC) serves the chemical and petrochemical industry by supplying catalysts, technology, and services to meet a wide range of requirements.

UOP is an international supplier and licensor of process technology, catalysts, adsorbents, process plants, and consulting services to the petroleum refining, petrochemical, and gas processing industries.

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