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摘要
A novel potassium ions sensor based on mode-filtered light detection was reported. The analyzer was consisting of an optical fiber immobilized with a dye of bromocresol green and a fused-silica capillary. It was found that mode-filtered light intensity decreased with the concentration of potassium ions and a linear detection range of 0.25-20 mmol/L (R(2) = 0.9977) was obtained with a detection limit of 9 x 10(-5) mol/L as well as fast response, good reproducibility and reversibility in the working concentration range.
- 出版日期2010-10
- 单位山西大学; 太原工业学院
