光纤技术在分析仪器中的应用

Applications of Optical Fiber Technique in Analytical Instruments

近年来,光纤技术己渗入分析化学领域,研制出各种基于光纤的化学传感器和分析仪器.本文评述了光导纤维化学传感器(FOCS)和光纤分析仪器的进展与应用,包括:(1)用于多组分同时测定和远距离现场监测的各种新型光导纤维化学传感器;(2)光导纤维化学传感器的试剂固定方法;(3)各种光纤分析仪器,如光纤探头式比色计、光纤双波长光度滴定仪、光纤双光束分光光度计、光纤纸带分忻仪、光纤原子吸收光谱仪等,并讨论了它们的主要性能及应用.

In recent years the opticai fiber technique has penetrated into the field of analytical chemisty.Various chemical sensors and analytical instruments based on optical fiber have been constructed.This paper presents a review on the applications of optical fiber in chemical sensors and analytical instruments,including optical fiber ?hemical sensors for simultaneous determination of mu?ticomponents,remote sensing and on-line monitoring,reagent fixing methods for optical fiber chemical sonsors,optical fiber analytical instru-ments,such as optical fiber probe colorimeter,dual-wavelength photometric titrimeter,double beam spectrophotometer paper tape analyser,atomic absorption spectrometer,etc.Their main performances and potential applications are discussed.