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Gerald Cecil Lalor

Gerald Cecil Lalor, Jamaican physical-chemist (Kingston 15 December 1930 –


With S.L. Martin. Studies on haematoxylin and haematein, the colouring principles of logwood. I. Absorption spectra of pure compounds in various solvents and a spectrophotometric method of analysis for haematoxylin and haematein. J. Soc. Dyers Colour. 75 (11):513-7, 1959

Developed a method for measuring the absorption spectra of both compounds in aqueous solutions under conditions which minimize the risk of oxidation. 

With S.L. Martin. Studies on haematoxylin and haematein, the colouring principles of logwood. II. Behaviour in aqueous solutions at varying pH, and the pK values. J. Soc. Dyers Colour. 75:517-21, 1959

A reaction vessel for kinetic studies below room temperature. J. Chem. Ed. 40:597, 1963 


With L. H. Fung & R. Rattray. Effect of cooking and extraction with simulated gastric juice on the cadmium content of selected foods. Jam. J. Science Techn. 16-7, 2005-6

With R.S. Garrett. The Fe/Na ratio, a framework for modeling trace element distributions in Jamaican soils. Geochem. Explor. Environm. Anal. 5(2):147-57, 2005  

With C.N. Grant & M. Vutchkov. In situ gamma spectroscopic measurement of 41 Ar during neutron. Health Physics 87(5):568-72, 2004

With P.C. Onianwa & M. K. Vutchkov. Dry-ashing preconcentration for microreactor-based neutron activation analysis of food and plant samples. Int. J. Environm. Anal. Chem. 83(5):367-74, 2003  

With C. Zhang. Multivariate outlier detection and redemption in geochemical databases. Science Total Environm. 281:99-109, 2000

With S.Bajue, P. Dasgupta & H. Robotham. Acid dissociation and nickel-complex formation constants of some nitroso naphthol sulphonate ligands. Polyhedron 8(4):473-7, 1989

With S.A. Bajue & K.L. Stuart. The preparation and properties of some cobalt (III) complexes of the 2-nitroso-l-naphthol-4-sulphonate and 2-nitroso-l-naphthol-ligands. J. Inorg. Nucl. Chem. 37:51, 1975

With G.A. Taylor. The reactions of cobalt compounds with nitroso-naphthols. IV. The stoicheiometry of the reaction between cobaltous and 1-nitroso-2-naphthols-3, 6 disulphonate ions. J. Inorg. Nucl. Chem. 35:4221-9, 1973

With A.W. Boyd & C. Willis. Isotope effects and hydrogen yields in the radiolysis of H2O-D2O mixtures at very high dose rates. Can. J. Chem. 50(1):83-92, 1972 

The reactions of cobalt compounds with nitroso-naphthols. II. The mechanism of the reaction between cobaltous ion and l-nitroso-2-naphthol-3,6-disulphonic acid. J. Inorg. Nucl. Chem. 31:1783-9, 1969

The reactions of cobaltammines with l-nitroso-2-naphthol-3,6 disulphonic acid. J. Inorg. Nucl. Chem 30:1925-9, 1968  

With G. Bushnell. Kinetics of the reaction between sodium hydroxide and chloropentaaminecobalt (III) perchlorate in aqueous solution. J. Inorg.Nuclear Chem. 30(1):219-23, 1968 

Physico-chemical studies on haematein and haematoxylin (1956)

With J. Lang. The kinetics of the reaction between nitro-pentamminecobalt (in)perchlorate and the hydroxide ion