Journal
ANALYTICAL LETTERS
Volume 43, Issue 6, Pages 960-971Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/00032710903491096
Keywords
Human milk; ICP OES; Microwave digestion
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Funding
- Conselho Nacional de Pesquisa e Desenvolvimento Tecnologico (CNPq)
- Fundacao de Amparo a Pesquisa do Estado de Minas Gerais (FAPEMIG)
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A fast procedure to determine essential and toxic metals in Brazilian human milk by ICP OES is proposed. Mature and colostrum human milk samples were mineralized using closed-pressurized and high-performance microwave digestion oven. Aqueous calibration was performed for all analytes investigated. A reference material, Infant Formula, was analyzed to test the accuracy of the proposed methodology. Recovery rates ranged between 83 and 117%. The precision of the method was better than 3.3% (R.S.D.) for all analytes investigated. Higher concentrations, on average, of the metals studied in the colostrum human milk could be found in relation to the mature human milk.
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