Method validation is the process used to confirm that the analytical procedure employed for a specific test is suitable for its intended use. Results from method validation can be used to judge the quality, reliability and consistency of analytical results; it is an integral part of any good analytical practice.
Source:
Ludwig Huber, Validation and Qualification in Analytical Laboratories
Analytical methods need to be validated or revalidated
Source:
Ludwig Huber, Validation and Qualification in Analytical Laboratories
Español: Validación de métodos
Français: Validation de méthodes