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Influence of ashing techniques on the analysis of trace elements in animal tissue

I. Wet ashing

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Abstract

A multitude of methods exists at present for the solubilization of biological tissues for atomic absorption analysis. We have examined several common methods of wet ashing using NBS bovine liver in order to determine which acids, acid combinations, or bases should be used as digesting agents for accurate and precise measurement of iron, copper, zinc, and manganese. Nitric acid proved to be the most effective wet ashing agent. With nitric acid, mean concentrations for iron, copper, and zinc differed from NBS certified values by less than 1.5% while those for manganese differed by 4%.

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Authors and Affiliations

  1. Department of Nutrition, University of California, 95616, Davis, CA

    Michael S. Clegg, Carl L. Keen, Bo Lönnerdal & Lucille S. Hurley

Authors
  1. Michael S. Clegg
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  2. Carl L. Keen
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  3. Bo Lönnerdal
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  4. Lucille S. Hurley
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Clegg, M.S., Keen, C.L., Lönnerdal, B. et al. Influence of ashing techniques on the analysis of trace elements in animal tissue. Biol Trace Elem Res 3, 107–115 (1981). https://doi.org/10.1007/BF02990451

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  • DOI: https://doi.org/10.1007/BF02990451

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