Is the sampling method as valid as the analytical method?

Lorens Sibbesen (LabQuality International, Denmark and Eurachem Method validation WG Chair) outlines the necessity - and the challenges - of validating sampling procedures that occur prior to analysis. Presented at the Eurachem International Workshop "Trends and Challenges in Ensuring Quality in Analytical Measurements", May 2021 Workshop kindly hosted by Eurachem Czech Republic [http://www.eurachem.cz/] and Palacky University in Olomouc [http://www.upol.cz/en]. Eurachem website: https://www.eurachem.org LabQuality International: http://labqa.dk/ Adventures by A Himitsu    / @ahimitsu   Creative Commons — Attribution 3.0 Unported— CC BY 3.0 http://creativecommons.org/licenses/b... Music released by Argofox    • A Himitsu - Adventures [Royalty Free Music]   Music provided by Audio Library    • Adventures – A Himitsu (No Copyright Music)