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Rev. calid. asist ; 30(6): 319-326, nov.-dic. 2015. tab, ilus
Article in Spanish | IBECS | ID: ibc-146336

ABSTRACT

Objetivo. Elaborar un esquema de validación de una técnica analítica siguiendo los requisitos de la ISO 17025. Material y métodos. Teniendo en cuenta la ISO 17025, los parámetros verificados fueron: selectividad, modelo de calibración y linealidad, precisión, exactitud, incertidumbre de medida e interferencias analíticas. Resultados. El procedimiento desarrollado fue aplicado satisfactoriamente para cuantificar cinc en suero por espectrofotometría de absorción atómica. Conclusión. Finalmente, se ha demostrado que nuestro método cumple con los requisitos exigidos de selectividad, linealidad, exactitud y precisión, haciéndolo adecuado para el fin requerido (AU)


Objective. The aim of this report is to propose a scheme for validation of an analytical technique according to ISO 17025. Material and methods. According to ISO 17025, the fundamental parameters tested were: selectivity, calibration model, precision, accuracy, uncertainty of measurement, and analytical interference. Results. A protocol has been developed that has been applied successfully to quantify zinc in serum by atomic absorption spectrometry. Conclusion. It is demonstrated that our method is selective, linear, accurate, and precise, making it suitable for use in routine diagnostics (AU)


Subject(s)
Female , Humans , Male , Zinc/blood , Zinc , Accreditation/legislation & jurisprudence , Accreditation/standards , Spectrophotometry/trends , Spectrophotometry , Clinical Laboratory Techniques/standards , Nutritional Status/physiology , Clinical Laboratory Information Systems/standards , Medical Laboratory Science/standards , Spectrophotometry, Atomic/instrumentation , Spectrophotometry, Atomic/standards , Spectrophotometry, Atomic , Sensitivity and Specificity
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