TY - JOUR T1 - A pH optode based on thymol blue: application to determination of CO2 using flow injection analysis system JO - Eclética Química A1 - Sotomayor, M.D.P.T. A1 - Raimundo Jr, I.M. A1 - Rohwedder, J.J. R. A1 - Oliveira Neto, G. SN - 0100-4670 UL - 10.1590/S0100-46702010000200004 VL - 35 Y1 - 2010 PB - Brasil ER -