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Sensor drift from slowly changing environmental conditions and other instabilities can greatly degrade a chemical sensor's performance, resulting in poor identification and analyte quantification. In the present work, estimation theory (i.e., various forms of the Kalman filter) is used for online compensation of baseline drift in the response of chemical sensors. Two different cases, which depend...
To investigate ancient glass fragments, voltammetric analysis of trace cobalt (Co) was conducted using modified carbon nanotube sensors in cyclic voltammetry (CV), square wave (SW) stripping voltammetry, and chronoamperometry modes. Optimum SW conditions were obtained at working ranges of 40-460 ug/l Co (8 points), and a standard deviation of 0.2881% ( n=15) was observed at 20.0 ug/l Co ion at 100...
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