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vol.15 issue2Isomorphic series of double sulfites of the Cu2SO3.MSO3.2H2O (M = Cu, Fe, Mn, and Cd) Type: a reviewApplication of the semi-empirical topological index in quantitative structure-chromatographic retention relationship (QSRR) studies of aliphatic ketones and aldehydes on stationary phases of different polarity author indexsubject indexarticles search
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Journal of the Brazilian Chemical Society

Print version ISSN 0103-5053On-line version ISSN 1678-4790


LINDINO, Cleber Antonio  and  BULHOES, Luís Otávio S.. Determination of chloramphenicol in tablets by electrogenerated chemiluminescence. J. Braz. Chem. Soc. [online]. 2004, vol.15, n.2, pp.178-182. ISSN 0103-5053.

Chloramphenicol was determinate by electrogenerated chemiluminescence coupled to FIA using Ru(bpy)32+ luminescent complex. Chloramphenicol cause a decrease in luminescence intensity from the ruthenium complex that is proportional to its concentration between 5 x 10-5 and 1 x 10-3 mol L-1. The relative standard deviation was estimated as £ 1.5 % for 1 x 10-4 mol L-1 chloramphenicol solution of 12 successive injections. The chloramphenicol was determined in tablets with success and the soluble components of the matrix did not interfere in the luminescent emission. Results obtained with the luminescent procedure were not statistically different from those obtained by UV-spectrophotometry at the 95 % confidence level.

Keywords : electrogenerated chemiluminescence; FIA; chloramphenicol; pharmaceutical tablets.

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