Chemiluminescence Determination of Mezlocillin by the Luminol-Potassium Periodate System
نویسندگان
چکیده
Um método novo, simples e sensível foi proposto para a determinação de mezlocilina. Baseia-se na amplificação da emissão de quimiluminescência (CL) gerada a partir da oxidação do luminol em meio alcalino pelo periodato de potássio. A otimização das variáveis experimentais e instrumentais que afetam o efeito da amplificação de CL foi realizada usando-se sistema de injeção em fluxo. Em condições ótimas, o método é eficiente para determinar mezlocilina no intervalo linear de 0,01 a 30 ×10 g mL com limite de detecção (3σ) de 3,0×10 g mL e desvio padrão relativo (RSD) de 1,0% para 1,0×10 g mL de mezlocilina (n=11). O método tem sido aplicado com sucesso, para determinação de mezlocilina em preparações comerciais, amostras sintéticas e formulações biológicas fluidas.
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