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Certified reference material for traceability in environmental analysis: PAHs in toluene
Certified reference material (CRM) plays a vital role for quality control assurance in environmental analysis, because the quality of data arising from measurements has crucial importance. ThisExpand
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The validation of a new high throughput method for determination of chloramphenicol in milk using liquid–liquid extraction with low temperature partitioning (LLE-LTP) and isotope-dilution liquid
Chloramphenicol (CAP) is an antibiotic banned for treatment of food-producing animals. The minimum required performance limit (MRPL) of 0.3 μg kg−1 for analytical methods was set by the EuropeanExpand
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Final report on key comparison CCQM-K55.b (aldrin): An international comparison of mass fraction purity assignment of aldrin
Under the auspices of the Organic Analysis Working Group (OAWG) of the Comit? Consultatif pour la Quantit? de Mati?re (CCQM) a key comparison, CCQM K55.b, was coordinated by the Bureau InternationalExpand
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Certified reference material to water content determination in bioethanol fuel
Bioethanol is a strategic biofuel in Brazil. Thus, a strong metrological basis for its measurements is required to ensure the quality and promote its exportation. Recently, Inmetro certified aExpand
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Quantitative nuclear magnetic resonance for purity assessment of polycyclic aromatic hydrocarbons
The application of 1H quantitative nuclear magnetic resonance (1H qNMR) for purity determination of organic compounds is well documented in the literature. The aim of this work is to determine if theExpand
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Feasibility study for the development of a certified reference material of nitrofuran metabolites in chicken breast muscle from incurred samples
Abstract Certified reference materials (CRM) provide measurements of quality and metrological traceability relative to the International System of Units (SI). The results of a feasibility study forExpand
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Feasibility study for development of candidate reference material for food analysis: Chloramphenicol in milk powder
Abstract Reliable analytical results are necessary to ensure effective consumer protection and the use of certified reference material (CRM) is an important tool for quality assurance. The BrazilianExpand
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Developments of Environmental Certified Reference Material from the Brazilian Metrology Institute to Support National Traceability
This paper aims to present the developments performed by the Brazilian Metrology Institute NMI-Inmetro, considering the environmental demand, in order to support the needs of the national industry and to disseminate traceability among the society. Expand
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Determination of PAHs: a practical example of validation and uncertainty assessment.
The objective of this study was to present a reliable and practical example of method validation and uncertainty assessment with an analytical method for the determination of polycyclic aromaticExpand
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Determination of Aldrin Purity Using a Combination of the Mass Balance Approach and Quantitative NMR
This paper describes the studies performed to determine the purity of aldrin samples, an organochlorine pesticide, using the mass balance approach. The organic impurities were identified andExpand
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