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Verification procedures must be established to ensure that the details of the verification are consistent, regardless of who performs it. The series of processes from performing the verification according to a defined procedure to documenting the verification results is generally known as "validation".
Validation can be performed on a diverse range of objects, from tangible items such as plant and equipment to intangible work procedures and processes. This UV TALK LETTER describes details about the instrument validation of UV-VIS spectrophotometers.