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Determination of Vitamin B12 in Infant Formula and Adult Nutritionals by HPLC: First Action 2011.10

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During the “Standards Development and International Harmonization: AOAC INTERNATIONAL Mid-Year Meeting” held on June 29, 2011, an Expert Review Panel (ERP) reviewed the method “Determination of Vitamin B12 in Infant Formula and Adult Nutritionals by HPLC.” Under the new pathway to Official Methods SM, the ERP adopted the method as Official First Action. The method is applicable to the determination of vitamin B12 in infant formula and adult nutritionals. Data showed an average overall intermediate precision of 6.64% RSD, an estimated quantitation limit of 0.8 μg/kg, and a detection limit of 0.2 μg/kg in prepared samples. The standard range of the method is 2 to 200 μg/L, which corresponds to an analytical range of 0.8 to 500 μg/kg.
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Document Type: Research Article

Publication date: 2012-03-01

More about this publication?
  • The Journal of AOAC INTERNATIONAL publishes refereed papers and reviews in the fields of chemical, biological and toxicological analytical chemistry for the purpose of showcasing the most precise, accurate and sensitive methods for analysis of foods, food additives, supplements and contaminants, cosmetics, drugs, toxins, hazardous substances, pesticides, feeds, fertilizers and the environment available at that point in time. The scope of the Journal includes unpublished original research describing new analytical methods, techniques and applications; improved approaches to sampling, both in the field and the laboratory; better methods of preparing samples for analysis; collaborative studies substantiating the performance of a given method; statistical techniques for evaluating data. The Journal will also publish other articles of general interest to its audience, e.g., technical communications; cautionary notes; comments on techniques, apparatus, and reagents.
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