光纤传感检测水中氰化物的研制

Detection of cyanide in water with optical fiber sensor

摘要:
目的探讨光纤传感检测探头的原理, 建立适应现场检测的方法。
方法水中CN^-与茚三酮反应生成红棕色产物, 光纤探头插入水样中进行测定。
结果检测浓度范围为0.01~0.1mg/L, 最低检出限0.01mg/L。
结论采用光纤传感测定水中氰化物, 为野外和在线场检测提供一种新方法。

Abstract:
Objective To establish novel optic fiber sensor for detecting cyanide in water on the spot.
Methods The reaction of ninhydrin and cyanide in water can produce a kind of red-brown products which can be detected by this new Optic fiber senser.
Results The detection limition is 0.01 mg/L with a response range of 0.01-0.1 mg/L.
Conclusion It provided a new method for detecting cyaniole on field and the spot to use optical fiber sensor.