Carotenoids in traditional Portuguese fruits and vegetables von Dias, M. Graça, Camões, M. Filomena G.F.C., Oliveira, Luísa

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Optimization of the determination of chemical oxygen demand in wastewaters von Silva, Alexandra M.E. Viana da, Silva, Ricardo J.N. Bettencourt da, Camões, M. Filomena G.F.C.

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Uncertainty estimation and in-house method validation of HPLC analysis of carotenoids for food composition data production von Dias, M. Graça, Camões, M. Filomena G.F.C., Oliveira, Luísa

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Carotenoid stability in fruits, vegetables and working standards – Effect of storage temperature and time von Dias, M. Graça, Camões, M. Filomena G.F.C., Oliveira, Luísa

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Designing valid and optimised standard addition calibrations: Application to the determination of anions in seawater von Rodrigues, Joana, da Silva, Ricardo J.N. Bettencourt, Camões, M. Filomena G.F.C., Oliveira, Cristina M.

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Weighted calibration with reduced number of signals by weighing factor modelling: Application to the identification of explosives by ion chromatography von Brasil, Beatriz, Bettencourt da Silva, Ricardo J.N., Camões, M. Filomena G.F.C., Salgueiro, Pedro A.S.

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Evaluation of the performance of the determination of anions in the water soluble fraction of atmospheric aerosols von Arias, Alejandro, Bettencourt da Silva, Ricardo J.N., Camões, M.Filomena G.F.C., Oliveira, Cristina M.R.R.

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Critical assessment of three high performance liquid chromatography analytical methods for food carotenoid quantification von Dias, M. Graça, Oliveira, Luísa, Camões, M. Filomena G.F.C., Nunes, Baltazar, Versloot, Pieter, Hulshof, Paul J.M.

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Assessment of the determination of water-soluble ionic composition of atmospheric aerosols from the analysis of crossed halves of filters von Bettencourt da Silva, Ricardo J. N., Arias, Alejandro, Oliveira, Cristina M. R. R., Camões, M. Filomena G. F. C.

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Development of metrological models for internal standard single-point and multi-point calibrations for the assessment of tear gas weapons compliance with legislation von Silveira, Daniel M., Salgueiro, Pedro A. S., Camões, M. Filomena G. F. C., Bettencourt da Silva, Ricardo J. N.

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Evaluation of the analytical method performance for incurred samples von Bettencourt da Silva, Ricardo J.N., Santos, Júlia R., Camões, M.Filomena G.F.C.

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Worst case uncertainty estimates for routine instrumental analysis von BETTENCOURT DA SILVA, Ricardo J. N, SANTUS, Julia R, CAMOES, M. Filomena G. F. C

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Evaluation of sample processing and sub-sampling performance von Bettencourt da Silva, Ricardo J.N, Figueiredo, Helena, Santos, Júlia R, Camões, M.Filomena G.F.C

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Quantification of analytes affected by relevant interfering signals under quality controlled conditions von da Silva, Ricardo J.N. Bettencourt, Santos, Júlia R., Camões, M. Filomena G.F.C.

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Reassessment of pH reference values with improved methodology for the evaluation of ionic strength von Lito, M.J. Guiomar H.M., Camões, M. Filomena G.F.C.

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Effect of citrate impurities on the reference pH value of potassium dihydrogen buffer solution von Lito, M.J.Guiomar H.M, Camões, M.Filomena G.F.C, Covington, A.K

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Validation and quality control schemes based on the expression of results with uncertainty von Bettencourt da Silva, Ricardo J.N, Camões, M.Filomena G.F.C, Seabra e Barros, João

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Evaluation of the sampling procedure adopted by the EU pesticide residue control programme to assess consumer exposure to high acute toxicity pesticides: Methamidophos in sweet pep... von BETTENCOURT DA SILVA, Ricardo J. N, LINO, Maria Joao, RIBEIRO SANTOS, Julia, CAMOES, M. Filomena G. F. C

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Validation of the uncertainty evaluation for the determination of metals in solid samples by atomic spectrometry von BETTENCOURT DA SILVA, R. J. N, CAMOES, M. F. G. F. C, SEABRA E BARROS, J

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Calculation of reference pH values for standard solutions from the corresponding acid dissociation constants von H.M. Lito, M.J.Guiomar, G.F.C. Camões, M.Filomena, Ferra, M.Isabel A., Covington, Arthur K.

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