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

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

Expression of results with uncertainty for the determination of pesticides in melon - experience in a proficiency test
ANALYST, 126, 743-746 2001
Ricardo Bettencourt da Silva , MJ Lino , A Ribeiro , JR Santos

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

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

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