Synthesis of Nano-Cobalt Metal Doped Carbon for Hydrogen-Phosphate Ion Sensor

DOI Web Site 参考文献9件
  • Tsuji Keitaro
    Department of Applied Chemistry, Kyushu Institute of Technology (Kyutech)
  • Takase Satoko
    Department of Applied Chemistry, Kyushu Institute of Technology (Kyutech)
  • Shimizu Youichi
    Department of Applied Chemistry, Kyushu Institute of Technology (Kyutech)

説明

<p>Nano Co-metal doped carbon powder could be prepared by a carbon-combustion method using large surface area carbon loaded with Co-nitrate. The Co-carbon thick-film sensor prepared by screen printing method showed relatively good response of potentiometric sensing to hydrogen-phosphate ion in the concentration range between 3.0×10-4 M and 1.0×10-2 M at pH=5 with high selectivity among the tested anions; NO3-, Cl-, Br-, HCO3-, and CH3COO-. The 90% response time of the sensor device was as short as about 3 min at room temperature.</p>

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