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Revista Cubana de Farmacia

versão On-line ISSN 1561-2988

Resumo

CUEVAS VALDESPINO, Matilde et al. Quality of a HPLC-IT system for determination of impurities in vaccines. Rev Cubana Farm [online]. 2010, vol.44, n.4, pp. 476-484. ISSN 1561-2988.

The assessment of different components of HPLC system is a very important feature to achieve good results in validaion of a analytical method since it is necessary to demonstrate previously that this system is working in a satisfactory way. In present case the assessment is very important to be about of instruments of some years of use where the manufacturer not accept responsability for the information collected on similar instruments produced by other manufacturers for current versions of these where is is described the way to assess the more significant parameters in the functioning of each components of chromatographic system to be used. To assess the isocratic pump (Pharmacia-LKB) pumping function, zero-pressure indication, minimal and maximal pressure limit, as well as the sealed test and flow accuracy. To determine the refraction rate detector (Knauer), the noise, sensitivity and linearity signal was assessed. Also, the injector's accuracy was estimated. Authors determined that the isocratic pump as refraction rate detector and the manual injector flufill with all study parameters demonstrating that all components of HPLC system also fulfill with specifications established and suitable to its features, satisfying the requirements necessaries for determination on impurities using this technology.

Palavras-chave : Assessment; HPLC; refraction rate.

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