期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 122, 期 2, 页码 591-595出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2006.07.003
关键词
acetone; sensors; lead; amperometry reduction
A new acetone sensor is developed by using a lead foil electrode in sodium tartrate solutions. The factors affecting the sensing characteristics, such as: applied potential, concentration of electrolyte, agitation rate and temperature were explored. The optimal operating conditions for the Pb foil electrode are 0.1 M sodium tartrate, 155 rpm agitation rate, 50 degrees C sensing temperature and applied potential in the range from -2.21 to -2.32 V (versus Ag/AgCl). The results reveal that the Pb foil electrode has a good linear relationship between response current and acetone concentration in the range from 50 to 250 ppm and this sensor has a fast response time of 18 s. (c) 2006 Elsevier B.V. All rights reserved.
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