This site contains lots of interesting links to mostly chemistry pages. Some of the selected topics are Photochemistry, methods of preparation for various chemicals and reaction mechanisms.
URL: http://www.n64codemaster.com/ in English [Translate]
Tutorial providing rules and examples for balancing redox equations in a acidic or basic medium.
URL: http://www.chemistrycoach.com/balancing_redox_in_acid.htm#BalancingRedoxEqu... in English [Translate]
Resource providing the basics of the molecular orbital theory and its applications to various types of materials.
URL: http://www.chembio.uoguelph.ca/educmat/chm729/band/intro.htm in English [Translate]
On-line textbook on Liquid Chromatography by Yuri Kazakevich and Harold M.McNair with the following chapters: general theory, absorbents, reversed- phase HPLC, gel-permeation chromatography, instrumentation, detectors and HPLC glossary.
URL: http://hplc.chem.shu.edu/HPLC/ in English [Translate]