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Inspec indexing on STN

STN quick reference guide

Chemical indexing on STN

A controlled indexing system for inorganic substances and material systems designed to overcome a number of problems which arise when searching for chemical substances using uncontrolled terms.

Numerical indexing on STN

Used to solve problems arising from the variety of ways in which an author may express a particular value. Inspec's numerical data indexing standardises the format in which numerical values are shown.