brought into conformity with a standard; "standardized education"

Using different techniques or preparations in order to conform to a reference or standard.

In testing, to establish, for a particular test, the set of procedures for its administration, the scoring techniques to be used and the methods of evaluation and interpretation of obtained scores.

A process that involves extraction and refinement of an active compound to a specified level or ratio. This level or ratio is verified by laboratory analysis.

capable of replacing or changing places with something else; "interchangeable parts"