Mass and volume in analytical chemistry (IUPAC Technical Report)
PURE AND APPLIED CHEMISTRY, 90, 563-603 3 2018
M.Filomena Camões , Gary D. Christian , David Brynn Hibbert

Uncertainty evaluation of alkalinity measurements on seawater samples
MEASUREMENT, 129, 395-404 12 2018
Barbara Anes , Ricardo Bettencourt da Silva , Cristina Oliveira , M.Filomena Camões

Evaluation and optimisation of methylene blue removal measurement uncertainty in photodegradation studies
ACCREDITATION AND QUALITY ASSURANCE, 22, 217-226 8 2017
Nuno F. Rosa , O. Monteiro , M.Filomena Camões , Ricardo Bettencourt da Silva

Compatibility of activity coefficients estimated experimentally and by Pitzer equations for the assessment of seawater pH
ACCREDITATION AND QUALITY ASSURANCE, 21, 1-7 1 2016
Barbara Anes , Ricardo Bettencourt da Silva , Hugo F. P. Martins , Cristina S. Oliveira , M.Filomena Camões

Metrological challenges for measurements of key climatological observables. Part 3: Seawater pH
METROLOGIA, 53, R26-R39 2 2016
A. G. Dickson , M.Filomena Camões , P. Spitzer , P. Fisicaro , D. Stoica , R. Pawlowicz , R. Feistel

Metrological challenges for measurements of key climatological observables: oceanic salinity and pH, and atmospheric humidity. Part 1: overview
METROLOGIA, 53, R1-R11 2 2016
R. Feistel , R. Wielgosz , S. A. Bell , M.Filomena Camões , J. R. Cooper , P. Dexter , A. G. Dickson , P. Fisicaro , A. H. Harvey , M. Heinonen , O. Hellmuth , H-J Kretzschmar , J. W. Lovell-Smith , T. J. McDougall , R. Pawlowicz , P. Ridout , S. Seitz , P. Spitzer , D. Stoica , H. Wolf

Validation of atmospheric aerosols parallel sampling in a multifold device
ENVIRONMENTAL MONITORING AND ASSESSMENT, 187, 6 2015
Cristina M. Oliveira , M.Filomena Camões , P. Bigus , A. A. Fachado , Ricardo Bettencourt da Silva

VALIDATION, UNCERTAINTY, AND QUALITY CONTROL OF QUALITATIVE ANALYSIS OF TEAR GAS WEAPONS BY GAS CHROMATOGRAPHY-MASS SPECTROMETRY
ANALYTICAL LETTERS, 47, 250-267 1 2014
Ricardo Bettencourt da Silva , Daniel M. Silveira , M.Filomena Camões , Carlos M. F. Borges , Pedro A. S. Salgueiro

Weighted calibration with reduced number of signals by weighing factor modelling: Application to the identification of explosives by ion chromatography
ANALYTICA CHIMICA ACTA, 804, 287-295 12 2013
Beatriz Brasil , Ricardo Bettencourt da Silva , M.Filomena Camões , Pedro A. S. Salgueiro

Size-segregated chemical composition of aerosol emissions in an urban road tunnel in Portugal
ATMOSPHERIC ENVIRONMENT, 71, 15-25 6 2013
Casimiro Pio , Fatima Mirante , Cesar Oliveira , Manuel Matos , Alexandre Caseiro , Cristina M. Oliveira , Xavier Querol , Celia A. Alves , Natercia Martins , Mario Cerqueira , M.Filomena Camões , Hugo Silva , Feliciano Plana

Evaluation of the performance of the determination of anions in the water soluble fraction of atmospheric aerosols
TALANTA, 104, 10-16 1 2013
Alejandro Arias , Ricardo Bettencourt da Silva , M.Filomena Camões , Cristina M. Oliveira

Development and validation of a grouping method for pesticides analysed in foodstuffs
FOOD CHEMISTRY, 134, 2291-2302 10 2012
Ricardo Bettencourt da Silva , Pedro M. V. B. F. Dias , M.Filomena Camões

Nitrous oxide content and fluxes in Setubal Bay, Portugal, during upwelling events
CIENCIAS MARINAS, 38, 177-190 4 2012
C. Goncalves , M. J. Brogueira , M.Filomena Camões

Development of metrological models for internal standard single-point and multi-point calibrations for the assessment of tear gas weapons compliance with legislation
ACCREDITATION AND QUALITY ASSURANCE, 17, 115-127 4 2012
Daniel M. Silveira , Pedro A. S. Salgueiro , M.Filomena Camões , Ricardo Bettencourt da Silva

Assessment of the determination of water-soluble ionic composition of atmospheric aerosols from the analysis of crossed halves of filters
ACCREDITATION AND QUALITY ASSURANCE, 17, 147-157 4 2012
Ricardo Bettencourt da Silva , Alejandro Arias , Cristina M. Oliveira , M.Filomena Camões

Measurement uncertainty of food carotenoid determination
ACCREDITATION AND QUALITY ASSURANCE, 17, 183-189 4 2012
M. Graca Dias , M.Filomena Camões , Luisa Oliveira

pH of seawater
MARINE CHEMISTRY, 126, 89-96 9 2011
G. M. Marion , F. J. Millero , M.Filomena Camões , P. Spitzer , R. Feistel , C. -T. A. Chen

Optimization of the determination of chemical oxygen demand in wastewaters
ANALYTICA CHIMICA ACTA, 699, 161-169 8 2011
Alexandra M. E. Viana da Silva , Ricardo Bettencourt da Silva , M.Filomena Camões

Size distribution of polycyclic aromatic hydrocarbons in a roadway tunnel in Lisbon, Portugal
CHEMOSPHERE, 83, 1588-1596 6 2011
Cesar Oliveira , Natercia Martins , Joao Tavares , Casimiro Pio , Mario Cerqueira , Manuel Matos , Hugo Silva , Cristina M. Oliveira , M.Filomena Camões

Detailed uncertainty budget for major and minor ions in stock combined calibration standards-Influence of impurities in chemicals
ANALYTICA CHIMICA ACTA, 659, 85-92 2 2010
Natasa Gros , M.Filomena Camões , Ricardo Bettencourt da Silva