indophenol

indophenol papers

44. D.R.Davis, A.G.Fogg, D.T.Burns and J.S.Wragg, "A colorimetric method for the determination of phenacetin and paracetamol - Part III. Studies of the indophenol reaction: an alternative manual procedure for the determination of phenacetin and paracetamol and its application to the determination of other pharmaceuticals including sulphonamides, procaine and related compounds", Analyst, 99, 12-18 (1974).
48. C.T.H.Ellcock and A.G.Fogg, "Specific colorimetric determination of sulphanilamide in the presence of other sulphonamides by an indophenol reaction", Laboratory Practice, 23, 555-556 (1974).
55. C.T.H.Ellcock and A.G.Fogg, "Selective colorimetric determination of paracetamol by means of an indophenol reaction", Analyst, 100, 16-18 (1975).
72. A.G.Fogg and Y.Z.Ahmed, "Indophenol derivatization in differential pulse polarography: application to the determination of ammonia, p-aminophenol and sulphanilamide", Analyt. Chim. Acta, 101, 211-214 (1978).
108. A.G.Fogg and A.M.Summan, "Differential pulse polarographic monitoring of permitted food colouring matters and ascorbic acid in accelerated light degradation studies and the spectrophotometric determination of the ammonia and simpler amines formed", Analyst, 108, 691-700 (1983).
110. A.G.Fogg and A.M.Summam, "Further differential pulse polarographic and visible spectrophotometric studies of the degradation of permitted synthetic food colouring matters with and without the addition of ascorbic acid : degradation in the dark and in the light without the stabilising action of EDTA", Analyst, 108, 1339-1344 (1983).
113. A.G.Fogg and A.M.Summan, "Further differential pulse polarographic and visible spectrophotometric studies of the degradation of permitted synthetic food colouring matters with and without the addition of ascorbic acid: accelerated heat degradation studies", Analyst, 109, 743-747 (1984).
126. A.G.Fogg and M.A.Abdalla, "Visible spectrophotometric determination of cephalosporins and penicillins by indophenol derivatisation with and without alkaline degradation to ammonia", J. Pharm. Biomed. Anal., 3, 315-321 (1985).
187. A.G.Fogg, A.K.Deisingh and R.Pirzad, "Disposable capillary fill device for the colorimetric determination of p-aminophenol as indophenol blue," Analyt. Letters, 25, 937-946 (1992).