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針對我國(guo)當前地表水(shui)(shui)(shui)、飲用水(shui)(shui)(shui)源(yuan)揮發性(xing)有機物(wu)(VOCs)在(zai)線(xian)(xian)監測(ce)(ce)(ce)(ce)需求,聚光科技自(zi)主研(yan)發了VOC-3000 水(shui)(shui)(shui)中(zhong)揮發性(xing)有機物(wu)在(zai)線(xian)(xian)監測(ce)(ce)(ce)(ce)系統(tong)(tong)。VOC-3000 水(shui)(shui)(shui)中(zhong)揮發性(xing)有機物(wu)在(zai)線(xian)(xian)監測(ce)(ce)(ce)(ce)系統(tong)(tong)集(ji)(ji)自(zi)動(dong)進樣(yang)、吹掃、富集(ji)(ji)、解(jie)吸、色譜分(fen)(fen)(fen)離和(he)數據處理于一體,可無人監守下連續運(yun)行,準確測(ce)(ce)(ce)(ce)量水(shui)(shui)(shui)中(zhong)VOCs濃(nong)(nong)度(du),實(shi)時(shi)遠程傳輸測(ce)(ce)(ce)(ce)量結(jie)果,實(shi)現水(shui)(shui)(shui)體VOCs污染(ran)程度(du)的監測(ce)(ce)(ce)(ce)與預(yu)警。 系統(tong)(tong)原理 系統(tong)(tong)將水(shui)(shui)(shui)樣(yang)采集(ji)(ji)并加(jia)熱(re)送入吹掃裝置(zhi)內,然后(hou)向吹掃罐中(zhong)通入惰性(xing)氣(qi)體,將待(dai)測(ce)(ce)(ce)(ce)水(shui)(shui)(shui)樣(yang)中(zhong)VOCs組分(fen)(fen)(fen)吹出,通過(guo)除水(shui)(shui)(shui)裝置(zhi)去除吹脫混合(he)氣(qi)中(zhong)的水(shui)(shui)(shui)分(fen)(fen)(fen),再將除水(shui)(shui)(shui)后(hou)的VOCs組分(fen)(fen)(fen)在(zai)捕集(ji)(ji)阱中(zhong)進行富集(ji)(ji),最后(hou)啟動(dong)加(jia)熱(re)解(jie)吸,通過(guo)載氣(qi)將解(jie)吸后(hou)的VOCs組分(fen)(fen)(fen)帶入色譜進行分(fen)(fen)(fen)離分(fen)(fen)(fen)析,獲得各組分(fen)(fen)(fen)濃(nong)(nong)度(du)。
SIA-3000(COD)水質在線(xian)分析儀