Alphabetical arrangement of entries that reflect current topics of interest to scientists, chemists, and engineers, e.g., health, safety, toxicology, and new materials. Comprehensive coverage. Each entry consists of lengthy signed article, with illustrations and bibliography.

Contains a library of information for the chemical industry. The 4th edition has undergone a complete revision, with the inclusion of many new subjects which reflect the growth in chemical technology through the 1990s. The book includes expanded coverage of biotechnology and materials science.