Quality-control materials in the USDA National Food and Nutrient Analysis Program (NFNAP)

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Trace element quality control analysis of environmental samples at the Neutron Activation Analysis Laboratory, IPEN, São Paulo, Brazil

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Practical and quality-control aspects of multi-element analysis with quadrupole ICP–MS with special attention to urine and whole blood

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Optimization and comparison of two digestion methods for multi-element analysis of certified reference plant materials by ICP-AES. Application of Plackett-Burman and central composite designs

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Fit-for-purpose shellfish reference materials for internal and external quality control in the analysis of phycotoxins

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