Natural Sciences

Coverage: 1907 to present
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Source of references, substances and reactions in chemistry and related sciences. Provides access to Chemical Abstracts, Registry, CASREACT, CHEMLIST, and CHEMCAT, as well as ChemZent, which indexes the chemistry literature 1830-1900.

Interdisciplinary database with a depth of content in the chemical sciences. Additional features allow the user to track citations for an article or author. It is possible to save and rerun searches.

The American Society for Testing and Materials (ASTM) covers a broad range of engineering disciplines, including aerospace, biomedical, chemical, civil, environmental, geological, health and safety, industrial, materials science, mechanical, nuclear, petroleum, soil science, and solar engineering.

Coverage: 2000 to present
Provides articles on chemical substances, including their properties, manufacturing, and uses. Comprehensive encyclopedia covering all aspects of chemical technology.