Nueva técnica colorimétrica para la determinación de nitratos en el plasma
Keywords:
nueva técnica colorimétrica, ión nitrato, reacción (es)Downloads
Se presenta una nueva técnica colorimétrica para la cuantificación de la concentración del ión nitrato en el plasma. El método se basa en la reacción de nitración del ácido salicílico en medio ácido con la formación de un compuesto con un pico de absorción en 410 nm. El límite de detección es alrededor de 0.1 mmol/l y la linearidad llega hasta 9.46 mmol/l de N03 . Se hace una comparación con otras técnicas publicadas para la determinación de nitrato.
It presents a new colorimetric technique for quantification of plasma nitra te ion concentration. The method is based upon the nitration reaction of salicilic acid in acidic media with the formation of a compound with an absorption peak at 410 nm. The detection limit is about 0.1 mmol/l and linearity up to 9.46 mmol/l N03. It makes a comparison with other published techniques for nitrate determination.
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