USP 197 Identification by FT-IR 211.52 Glossary of the definitions and

Glossary of the definitions and interpretations of the terms found in section 201 of the Federal Food

You must identify and use an appropriate scientifically valid method for each established specification for which testing or examination is required to determine whether the specification is met

or distribution record associated with a batch of a drug product shall be retained for at least 1 year after the expiration date of the batch or

Equipment must be adequately maintained as part of a preventive maintenance program to protect components and dietary supplements from being contaminated by any source

until their quality has been judged to be satisfactory

USP 197 Identification by FT-IR 211.52 Glossary of the definitions andThe identification of raw materials, intermediates, and products using an IR absorption spectrophotometer to produce a unique fingerprint to compare to a USP standard reference