THE QUALITY OF STANDARDS IN LEAST SQUARES CALIBRATIONS
ANALYTICAL LETTERS, 43, 1257-1266 2010
Ricardo Bettencourt da Silva , M.Filomena Camões

UNCERTAINTY BUDGET FOR SIMULTANEOUS DETERMINATION OF MINOR AND MAJOR IONS IN SEAWATER WITH ION CHROMATOGRAPHY CONFRONTED WITH UNCERTAINTIES IN CONCENTRATIONS OF CALIBRATION STANDARDS
ANALYTICAL LETTERS, 43, 1317-1329 2010
Natasa Gros , M.Filomena Camões , Ricardo Bettencourt da Silva

Comparability of measurement results for pesticide residues in foodstuffs: an open issue?
ACCREDITATION AND QUALITY ASSURANCE, 15, 691-704 12 2010
Ricardo Bettencourt da Silva , M.Filomena Camões

Seasonal and tidal influence on the variability of nitrous oxide in the Tagus estuary, Portugal
SCIENTIA MARINA, 74, 57-66 12 2010
C. Goncalves , Maria Jose Brogueira , M.Filomena Camões

Multivariate analysis of nutritional information of foodstuff of plant origin for the selection of representative matrices for the analysis of pesticide residues
ANALYTICA CHIMICA ACTA, 674, 9-19 7 2010
Ricardo Bettencourt da Silva , M.Filomena Camões

Critical assessment of three high performance liquid chromatography analytical methods for food carotenoid quantification
JOURNAL OF CHROMATOGRAPHY A, 1217, 3494-3502 5 2010
M. Graca Dias , Luisa Oliveira , M.Filomena Camões , Baltazar Nunes , Pieter Versloot , Paul J. M. Hulshof

The quality of pH measurements 100 years after its definition
ACCREDITATION AND QUALITY ASSURANCE, 14, 521-523 10 2009
M.Filomena Camões

Meeting the Requirements of the Silver/Silver Chloride Reference Electrode
JOURNAL OF SOLUTION CHEMISTRY, 38, 1471-1482 11 2009
M. J. Guiomar Lito , M.Filomena Camões

Carotenoids in traditional Portuguese fruits and vegetables
FOOD CHEMISTRY, 113, 808-815 4 2009
M. Graca Dias , M.Filomena Camões , Luisa Oliveira

Ionic composition of seawaters and derived saline solutions determined by ion chromatography and its relation to other water quality parameters
JOURNAL OF CHROMATOGRAPHY A, 1210, 92-98 11 2008
Natasa Gros , M.Filomena Camões , Cristina M. Oliveira , M. C. R. Silva

Uncertainty estimation and in-house method validation of HPLC analysis of carotenoids for food composition data production
FOOD CHEMISTRY, 109, 815-824 8 2008
M. Graca Dias , M.Filomena Camões , Luisa Oliveira

Guidelines for potentiometric measurements in suspensions. Part B. Guidelines for practical pH measurements in soil suspension (IUPAC Recommendations 2006)
PURE AND APPLIED CHEMISTRY, 79, 81-86 1 2007
Srecko F. Oman , M.Filomena Camões , Kipton J. Powell , Raj Rajagopalan , Petra Spitzer

Guidelines for potentiometric measurements in suspensions. Part A. The suspension effect (IUPAC Technical Report)
PURE AND APPLIED CHEMISTRY, 79, 67-79 1 2007
Srecko F. Oman , M.Filomena Camões , Kipton J. Powell , Raj Rajagopalan , Petra Spitzer

Improving the quality of potentiometric pH measurements
ACCREDITATION AND QUALITY ASSURANCE, 12, 447-453 9 2007
M. J. Guiomar , H. M. Lito , M.Filomena Camões , Catarina M. Vicoso

Effect of condensation phenomena on potentiometric measurements
ANALYTICA CHIMICA ACTA, 575, 45-51 8 2006
M. J. Guiomar H. M. Lito , M.Filomena Camões , Catarina M. Vicoso

A new terminology for the approaches to the quantification of the measurement uncertainty
ACCREDITATION AND QUALITY ASSURANCE, 10, 664-671 3 2006
Ricardo Bettencourt da Silva , JR Santos , M.Filomena Camões

Distinguished people and places important in the history of Portuguese analytical chemistry
MICROCHIMICA ACTA, 152, 137-151 11 2005
DT Burns , M.Filomena Camões , AMA da Costa

Comparison of two atmospheric sampling methodologies with non-parametric statistical tools
QUIMICA NOVA, 28, 179-182 3 2005
MJ Nunes , M.Filomena Camões , F McGovern , S Santos , F Raes

Reassessment of pH reference values with improved methodology for the evaluation of ionic strength
ANALYTICA CHIMICA ACTA, 531, 141-146 2 2005
MJ Guiomar , M.Filomena Camões , HM Lito

Parametric or non-parametric statistical tools applied to marine aerosol sampling
ACCREDITATION AND QUALITY ASSURANCE, 9, 355-360 6 2004
MJ Nunes , M.Filomena Camões , F McGovern , F Raes