Official Methods of Analysis of AOAC INTERNATIONAL
Official Methods of Analysis of AOAC INTERNATIONALSM (OMA) is the most comprehensive and reliable collection of chemical and microbiological methods and consensus standards available.Improvements to the OMA online
We have enhanced the digital presentation of the OMA online and introduced new features. Discover more about our latest improvements.Publish with the OMA
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Institutional subscriptions
The Official Methods of Analysis of AOAC INTERNATIONAL is available for institutional subscription. Contact us for a free trial or pricing quote.Personal subscriptions
Individuals can subscribe to the 22nd Edition of the Official Methods of Analysis of AOAC INTERNATIONAL online for 12 months. If you are a member of the AOAC INTERNATIONAL, don't forget to use your discount code.Purchase a print copy
Buy the new edition of the Official Methods of Analysis of AOAC INTERNATIONAL in print, available at a discount for members of the AOAC INTERNATIONAL.More from AOAC INTERNATIONAL

Journal of AOAC International
First and Final Action method full papers are published in the Journal of AOAC International. Published papers include additional data and information that is not included in the OMA. After the paper has been published in the J. AOAC Int. the “method” portion is transferred to the OMA online. Users should refer to the OMA for the most up-to-date method information.
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AOAC INTERNATIONAL Publications portal
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AOAC meetings and events
AOAC meetings are where the global analytical science community comes together to learn, network, and advance food safety science to meet current and emerging needs. AOAC organizes international events twice yearly as well as training meetings and local gatherings of the 18 AOAC Regional Sections around the world.
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