Chemistry Articles, Chemistry Search, Chemistry Links

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Chemical Search: The Chemistry WebBook from the National Institute for Standards and Technology (NIST) provides thermodynamic data for over 5000 compounds, and ion energetics data for over 12,000 compounds, and much more. You can search the Chemistry WebBook by chemical name or chemical formula.

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find this chemical formula (e.g., H2SO4):


ChemFinder Search is a commercial (but free) chemistry compounds search engine, with a glossary and a links list.

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Chemistry Search: The DMOZ Open Directory searches for keywords in website titles and descriptions (not page content). You can limit your search to the Chemistry links category, or search all science links.

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Chem Refer and Chemie.de are two more excellent chemistry search engines, and can be accessed directly via the multi-search form above.

  Online Periodic Tables of the Elements

The Chemicool Periodic Table by David Hsu has over 50 entries of quantitative data per element. The Chemicool site also includes a discussion forum, a chemistry dictionary, and online chemistry tools.

Web Elements was designed at the University of Sheffield in the UK. There is also a Scholar's Edition.

The Periodic Table of Comic Books is a table of elements explained in about 200 comic book pages.

A comprehensive site, National Chemistry Society includes much information and Visual Elements, a periodic table with 'arty' images, which are good looking, but slow loading.

  Other Chemistry Websites

Chemistry.org is the very substantial website of the American Chemical Society, which has 158,000 members. site map

ChemWeb from Elsvier includes The Alchemist web magazine, weekly news, events, jobs info, and many well organized links.

Classic Chemistry includes some of the most influential chemistry papers of all time, a history of chemistry calendar, links to selected sites on (mainly) the history of chemistry, and an archaic chemistry term dictionary. From LeMoyne College in New York.

Organic-Chemistry.org offers users a searchable database of abstracts from eight organic chemistry journals, and information on more than 100,000 compounds. They also feature the Osiris Property Explorer, which "lets you draw chemical structures and calculates on-the-fly various drug-relevant properties whenever a structure is valid."

The Molecule of the Month presents information about and 3D images of a new molecule every month.

ChemSpy offers one-stop access to chemistry related databases. Find chemistry related terms, definitions, synonyms, acronyms and abbreviations, plus MSDS/safety data, publications, physical data of chemical compounds, patents, and spectral data.


Lipidat Database is a relational database of the chemical and physical properties of lipids.

The Biocatalysis and Biodegradation Database at the University of Minnesota includes microbial enzyme catalyzed chemistry links.


Polymer Macrogalleria is an entertaining introduction to polymers for all ages, with 3-D pictures and movies, and links.

Polymers were first noticed in 1861, when it was found that line filters were clogged by dissolved cellulose and starches. Polymers and Liquid Crystals is a huge searchable hypertextbook at college freshman chemistry level, from Case Western Reserve University.

  Chemistry Articles from Online Magazines

MagPortal.com

Crystal Lattice Structures displays pictures of dozens of the most common and the most interesting of the 230 basic crystal lattices known in nature, with annotated links.

QuasiCrystals, from CalTech, is an introduction to crystals which do NOT have perfectly repeating structual patterns.

Making Matter is a gallery if inorganic crystal images at the Institute Laue-Langevin in Grenoble, France, with 3-D images of inorganic materials in a tutorial format.

Organometallic Chemistry is a hypertextbook of organometallic chemistry.

Ullmann's Encyclopedia of Industrial Chemistry is searchable online from Wiley Interscience, and includes such articles as Beer Chemistry.

TIME Magazine, March 13, 1964, p. 95:

TECHNOLOGY: The Unstickables
    What is the opposite of adhesive? The word is abhesive, and is was coined by a scientist several years ago to describe something that refuses to let other material cling to it. The substance that inspired the word is a peculiar and promising product called Teflon, a slippery white plastic that feels something like a wet bar of soap.* Discovered in 1938 almost accidentally by Du Pont scientists who were working on fluorocarbon refrigerants, Teflon has other valuable properties: it will burn only when exposed to flame, it is a superior electrical insulator and resists tears and impact.

    At first, no one knew quite what to do with it. Since then Du Pont has spent $100 million to develop Teflon and similar substances, and so many uses have been found for Teflon that it has taken its place as one of the "miracle" products. American consumers were introduced to it only two years ago, when European companies that had mastered the technique of bonding Du Pont's plastic to other materials began exporting Teflon-coated frying pans to the U.S. To the astonishment of U.S. housewives, eggs, meat, even cheese and pancakes, required no fat for frying and could quickly be removed from the pan without sticking.

    U.S. companies have since begun making many cooking utensils with Teflon, but the material has moved far beyond the stove. Last week Du Pont announced that it will mass-produce thin, transparent Teflon film, the latest variety of the plastic, at a new Circleville, Ohio, plant, and will cut the base price from $10 to $9 per lb.

    Electronics companies are making printed circuits out of Teflon, which can be sliced to one two-thousandths of an inch. Teflon is used in barbecue gloves that will not scorch, in missile nose cones and in fireproof suits. Ovens and muffin tins are coated with Teflon, and a coating of Teflon is applied to some electric irons to make them slide more easily across cloth. Auto bearings, bushings and ball joints are now being made of Teflon, and engineers look for the day when the can use it to eliminate car lubrication. Surgeons are using Teflon tubing successfully to replace artery sections. Steinway even turns out a piano with 1,130 Teflon bushings that replace conventional cloth, which shrinks, expands and eventually rots.

* The fluorine atoms in a molecule of Teflon form such a tightly bonded structure around the substance's carbon atoms that the molecules of other materials that touch Teflon have little opportunity to stick to it.



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