Maria Isabel Almeida Ferra
AuthID: R-000-BPA
21
TITLE: Consistency of pH standard values with the corresponding thermodynamic acid dissociation constants (Technical Report)
AUTHORS: Filomena F Camões; Guiomar J G Lito; Ferra, MIA; Covington, AK;
PUBLISHED: 1997, SOURCE: Pure and Applied Chemistry, VOLUME: 69, ISSUE: 6
AUTHORS: Filomena F Camões; Guiomar J G Lito; Ferra, MIA; Covington, AK;
PUBLISHED: 1997, SOURCE: Pure and Applied Chemistry, VOLUME: 69, ISSUE: 6
22
TITLE: A PITZER MIXED ELECTROLYTE SOLUTION THEORY APPROACH TO ASSIGNMENT OF PH TO STANDARD BUFFER SOLUTIONS
AUTHORS: COVINGTON, AK; FERRA, MIA;
PUBLISHED: 1994, SOURCE: JOURNAL OF SOLUTION CHEMISTRY, VOLUME: 23, ISSUE: 1
AUTHORS: COVINGTON, AK; FERRA, MIA;
PUBLISHED: 1994, SOURCE: JOURNAL OF SOLUTION CHEMISTRY, VOLUME: 23, ISSUE: 1
INDEXED IN: 
Scopus 
WOS
Scopus WOS23
TITLE: A pitzer mixed electrolyte solution theory approach to assignment of pH to standard buffer solutions
AUTHORS: Covington, AK; Ferra, MIA;
PUBLISHED: 1994, SOURCE: Journal of Solution Chemistry - J Solution Chem, VOLUME: 23, ISSUE: 1
AUTHORS: Covington, AK; Ferra, MIA;
PUBLISHED: 1994, SOURCE: Journal of Solution Chemistry - J Solution Chem, VOLUME: 23, ISSUE: 1
24
TITLE: CALCULATION OF REFERENCE PH VALUES FOR STANDARD SOLUTIONS FROM THE CORRESPONDING ACID DISSOCIATION-CONSTANTS Full Text
AUTHORS: GUIOMAR, MJ; LITO, HM; CAMOES, MFGFC; FERRA, MIA; COVINGTON, AK;
PUBLISHED: 1990, SOURCE: ANALYTICA CHIMICA ACTA, VOLUME: 239, ISSUE: 1
AUTHORS: GUIOMAR, MJ; LITO, HM; CAMOES, MFGFC; FERRA, MIA; COVINGTON, AK;
PUBLISHED: 1990, SOURCE: ANALYTICA CHIMICA ACTA, VOLUME: 239, ISSUE: 1
INDEXED IN: Scopus WOS
Scopus WOS IN MY: 
ORCID
ORCID25
TITLE: Calculation of reference pH values for standard solutions from the corresponding acid dissociation constants
AUTHORS: M.J.Guiomar H.M. Lito; M.Filomena G.F.C. Camões; M.Isabel A Ferra; Arthur K Covington;
PUBLISHED: 1990, SOURCE: Analytica Chimica Acta, VOLUME: 239
AUTHORS: M.J.Guiomar H.M. Lito; M.Filomena G.F.C. Camões; M.Isabel A Ferra; Arthur K Covington;
PUBLISHED: 1990, SOURCE: Analytica Chimica Acta, VOLUME: 239
26
TITLE: Calculation of single-ion activities in solutions simulating blood plasma
AUTHORS: Covington, AK; Ferra, MIA;
PUBLISHED: 1989, SOURCE: Scandinavian Journal of Clinical and Laboratory Investigation, VOLUME: 49, ISSUE: 7
AUTHORS: Covington, AK; Ferra, MIA;
PUBLISHED: 1989, SOURCE: Scandinavian Journal of Clinical and Laboratory Investigation, VOLUME: 49, ISSUE: 7
27
TITLE: Application of multilinear regression analysis to the evaluation of standard pH values for potassium hydrogen phthalate reference value standard solutions at temperatures up to 498 K
AUTHORS: Covington, AK; Ferra, MIA; Zou, ZY;
PUBLISHED: 1985, SOURCE: Electrochimica Acta, VOLUME: 30, ISSUE: 6
AUTHORS: Covington, AK; Ferra, MIA; Zou, ZY;
PUBLISHED: 1985, SOURCE: Electrochimica Acta, VOLUME: 30, ISSUE: 6
28
TITLE: PROCEDURES FOR TESTING pH RESPONSIVE GLASS ELECTRODES AT 25, 37, 65 AND 85 degree C AND DETERMINATION OF ALKALINE ERRORS UP TO 1 mol dm** minus **3 Na** plus , K** plus , Li** plus .
AUTHORS: Covington, AK; Buetikofer, HP; Camoes, MFGFC; Ferra, MIA; Rebelo, MJF;
PUBLISHED: 1985, SOURCE: Pure and Applied Chemistry, VOLUME: 57, ISSUE: 6
AUTHORS: Covington, AK; Buetikofer, HP; Camoes, MFGFC; Ferra, MIA; Rebelo, MJF;
PUBLISHED: 1985, SOURCE: Pure and Applied Chemistry, VOLUME: 57, ISSUE: 6
INDEXED IN: Scopus
Scopus IN MY: ORCID
ORCID29
TITLE: Ionic product and enthalpy of ionization of water from electromotive force measurements Full Text
AUTHORS: Covington, AK; Ferra, MIA; Robinson, RA;
PUBLISHED: 1977, SOURCE: Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases, VOLUME: 73
AUTHORS: Covington, AK; Ferra, MIA; Robinson, RA;
PUBLISHED: 1977, SOURCE: Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases, VOLUME: 73
30
TITLE: Buffer Solutions for Testing Glass Electrode Performance in Aqueous Solutions over the pH Range 0-14 at 25 °C
AUTHORS: Arthur K Covington; Isabel I A Ferra;
PUBLISHED: 1977, SOURCE: Analytical Chemistry, VOLUME: 49, ISSUE: 9
AUTHORS: Arthur K Covington; Isabel I A Ferra;
PUBLISHED: 1977, SOURCE: Analytical Chemistry, VOLUME: 49, ISSUE: 9
