More powerful than ever, Ullmann's is the definitive reference work for all fields of industrial chemistry, and is certain to hold its number-one position for generations to come. For this revised electronic edition of the encyclopedia some 150 articles have been thoroughly revised or added since the completion of the 6th printed edition, and a number of new articles reflect recent developments. Users will find exciting new information on, among others: Ammonia, Blood, Cellulose Ethers, Cereals, Chocolate, Dental Materials, Enzyme and Immunoassays, Fatty Acids, Fertilizers, Hair Preparations, Intermetallics, Meat and Meat Products, Microreactors, Metallocenes, Molecular Modeling, Oral Antidiabetic Drugs, Paints and Coatings, Petroleum Coke, Pigging Technology, Photoelectricity, Polymerase Chain Reaction, Soil, Sonochemistry, and much more. Added to all this the interface has been improved to offer higher convenience: Browser-based application, quick installation in local area networks, quality ranking of search results, freely adjustable window, fast access to topics of interest by powerful navigation and serach facilities, extensive cross-referencing to other articles, plus free online access to the latest updates via Wiley InterScience. In short, fast and reliable coverage of every area of international chemical technology.