Resumo

MACHUA VEITIA, Mercedes et al. Evaluación de procedimientos de extracción de cinc presente en una zeolita activada. Rev Cubana Farm [online]. 1999, vol.33, n.2, pp. 121-126. ISSN 1561-2988.

Active zeolite products (AZP) are enriched with a cathion that determines their animicrobial effects. The extraction conditions were set taking inherent features of the raw material and its forms - tablets and creams - into account. Different treatment were applied to samples under optimized working conditions. Zinc conten was estimated by X - ray fluorescence and atomic absorption spectrophotometry. There - acid effect treatment with H2DO4 HNO (2:3) and HCL as an optimal method for treatting tablets and creams was shown whereas the active principla (AZ) was treated with ion - exchange.

Palavras-chave : ZEOLITES [therapeutic use]; SPECTROMETRY, X - RAY EMISSION [methods]; SPECTROPHOTOMETRY, ATOMIC ABSORPTION [methods]; ION EXCHANGES..

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