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

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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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A new terminology for the approaches to the quantification of the measurement uncertainty von DA SILVA, Ricardo J. N. B, SANTOS, Julia R, CAMOES, M. F. G. F. C

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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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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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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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Effect of different experimental parameters on the potentiometric evaluation of blood electrolytes using K+ as a test cation von OLIVEIRA, C. M. R. R, REBELO, M. J. F, CAMOES, M. F. 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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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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Estimation of precision and efficiency mass transfer steps for the determination of pesticides in vegetables aiming at the expression of results with reliable uncertainty von BETTENCOURT DA SILVA, R. J. N, JOAO LINO, M, SANTOS, J. R, CAMOES, M. F. 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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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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