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부영양화 사전 예방을 위한 휴대용 총인 모니터링 시스템 개발
정동건 ( Dong Geon Jung ),김승덕 ( Seung Deok Kim ),권순열 ( Soon Yeol Kwon ),이재용 ( Jae Yong Lee ),김유성 ( Yu Seong Kim ),이준엽 ( Junyeop Lee ),김재건 ( Jaekeon Kim ),김세완 ( Sae-wan Kim ),공성호 ( Seong Ho Kong ),정대웅 ( D 한국센서학회 2020 센서학회지 Vol.29 No.5
In this study, a portable total-phosphorus (TP) monitoring system utilizing a photocatalytic-reaction-based pretreatment method is proposed, fabricated, and characterized. Commercial TP monitoring systems are only used in laboratories because of their complex monitoring procedure, bulk-size, and high-cost. In particular, pretreatment in commercial TP monitoring systems is performed at high temperatures (> 120 ℃) and pressure (> 1.1 kg cm<sup>-2</sup>) making it difficult to minimize the scale of the systems. The proposed TP monitoring system employs a pretreatment method with a photocatalytic reaction; thus, its size can be reduced, as photocatalytic reactions occur at room temperature and atmospheric pressure. Analytes with various TP concentrations are pretreated using the proposed portable TP monitoring system and are quantitatively measured with an LED and a photodiode.