Different between method validation and verification

Question

Accepted Answer

Method validation ensures the method is suitable for its intended use, while method verification confirms the method performs as expected.

Method validation is performed during the development of a new method to ensure it is suitable for its intended use.
Method verification is performed to confirm that an established method performs as expected in the user's laboratory.
Validation involves testing the method's accuracy, precision, specificity, and linearity.
Verification involves testing the method's performance using the user's specific equipment, reagents, and personnel.
Validation is typically done by the method developer or a third party, while verification is done by the end user.
Example: Validating a new analytical method for detecting impurities in pharmaceutical products vs. verifying the accuracy of a pipetting technique in a laboratory setting.

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