Solubility and osmotic coefficient of phthalic acid aqueous solutions from isopiestic measurements
ANALYTICA CHIMICA ACTA, 514, 131-135 6 2004
C Vicoso , MJ Lito , M.Filomena Camões

Validation of simultaneous determination of bromides and bromates by ion chromatography in drinking water
QUIMICA NOVA, 27, 503-507 5 2004
MEP Goncalves , M.Filomena Camões , JM Paiva , MJ Benoliel , RN Carneiro

Effect of citrate impurities on the reference pH value of potassium dihydrogen buffer solution
ANALYTICA CHIMICA ACTA, 482, 137-146 4 2003
MJGHM Lito , M.Filomena Camões , AK Covington

Evaluation of the analytical method performance for incurred samples
ANALYTICA CHIMICA ACTA, 485, 241-252 6 2003
Ricardo Bettencourt da Silva , JR Santos , M.Filomena Camões

Evaluation of sample processing and sub-sampling performance
ANALYTICA CHIMICA ACTA, 477, 169-185 2 2003
Ricardo Bettencourt da Silva , H Figueiredo , JR Santos , M.Filomena Camões

Worst case uncertainty estimates for routine instrumental analysis
ANALYST, 127, 957-963 2002
Ricardo Bettencourt da Silva , JR Santos , M.Filomena Camões

Acidity function p(a(H)gamma(Cl)) as a step to pH assessment
ANALYTICAL AND BIOANALYTICAL CHEMISTRY, 374, 806-812 11 2002
M.Filomena Camões , MG Lito

Measurement of pH. Definition, standards, and procedures
PURE AND APPLIED CHEMISTRY, 74, 2169-2200 11 2002
RP BUCK , S Rondinini , AK Covington , FGK Baucke , CMA Brett , M.Filomena Camões , MJT Milton , T MUSSINI , R Naumann , KW Pratt , P Spitzer , GS Wilson

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 peppers
ACCREDITATION AND QUALITY ASSURANCE, 7, 195-201 5 2002
Ricardo Bettencourt da Silva , MJ Lino , JR Santos , M.Filomena Camões

Euroanalysis XI. The celebration of analytical chemistry
FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY, 369, 549-550 4 2001
M.Filomena Camões

Lectures presented at the 11(th) European Conference on Analytical Chemistry - (EUROANALYSIS XI), Lisbon, Portugal, 3-9 September 2000 - Preface
PURE AND APPLIED CHEMISTRY, 73, VI 1 2001
M.Filomena Camões

Estimation of precision and efficiency mass transfer steps for the determination of pesticides in vegetables aiming at the expression of results with reliable uncertainty
ANALYST, 125, 1459-1464 2000
Ricardo Bettencourt da Silva , MJ Lino , JR Santos , M.Filomena Camões

Factors affecting the potentiometric evaluation of K+ in protein containing solutions
ELECTROANALYSIS, 11, 825-828 7 1999
CMRR Oliveira , MJF Rebelo , M.Filomena Camões

Validation and quality control schemes based on the expression of results with uncertainty
ANALYTICA CHIMICA ACTA, 393, 167-175 6 1999
Ricardo Bettencourt da Silva , M.Filomena Camões , JSE Barros

Equilibrium in saturated Ca(OH)(2) solutions: Parameters and dissociation constants
JOURNAL OF SOLUTION CHEMISTRY, 27, 925-933 10 1998
MJ Guiomar , HM Lito , M.Filomena Camões , AK Covington

Validation of the uncertainty evaluation for the determination of metals in solid samples by atomic spectrometry
ACCREDITATION AND QUALITY ASSURANCE, 3, 155-160 4 1998
Ricardo Bettencourt da Silva , M.Filomena Camões , JSE Barros

Effect of different experimental parameters on the potentiometric evaluation of blood electrolytes using K+ as a test cation (vol 121, pg 1907, 1996)
ANALYST, 122, 206 2 1997
CMRR Oliveira , MJF Rebelo , M.Filomena Camões

Consistency of pH standard values with the corresponding thermodynamic acid dissociation constants (Technical Report)
PURE AND APPLIED CHEMISTRY, 69, 1325-1333 6 1997
M.Filomena Camões , MJG Lito , MIA Ferra , AK Covington

Analysis of organophosphorus, organochlorine and pyrethroid insecticides in medicinal plants
CHROMATOGRAPHIA, 44, 505-513 5 1997
MJ Nunes , M.Filomena Camões , J Fournier

Effect of different experimental parameters on the potentiometric evaluation of blood electrolytes using K+ as a test cation
ANALYST, 121, 1907-1910 12 1996
CMRR Oliveira , MJF Rebelo , M.Filomena Camões