Optical ammonia gas sensor based on a porous silicon rugate filter coated with polymer-supported dye

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An improved optical pH sensor based on polyaniline

Zhe Jin, Yongxuan Su, Yixiang Duan · Sensors and Actuators B Chemical · 2000 · 223 citations

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Instrument development and application in studies and monitoring of ambient ammonia

Jan Willem Erisman · Atmospheric Environment · 2001 · 213 citations · Full text

Engineering, Environmental Engineering, Environmental Sciences +13