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針對(dui)我國當前(qian)地表水(shui)(shui)(shui)(shui)、飲用水(shui)(shui)(shui)(shui)源揮發(fa)性有機(ji)物(VOCs)在(zai)線(xian)監(jian)測(ce)需求,聚光科技自主研發(fa)了VOC-3000 水(shui)(shui)(shui)(shui)中(zhong)(zhong)揮發(fa)性有機(ji)物在(zai)線(xian)監(jian)測(ce)系統(tong)。VOC-3000 水(shui)(shui)(shui)(shui)中(zhong)(zhong)揮發(fa)性有機(ji)物在(zai)線(xian)監(jian)測(ce)系統(tong)集自動進樣、吹掃(sao)、富集、解吸、色(se)譜分離和數據(ju)處理于一體(ti),可無(wu)人監(jian)守下(xia)連續運行,準確測(ce)量水(shui)(shui)(shui)(shui)中(zhong)(zhong)VOCs濃度,實時遠程(cheng)傳(chuan)輸測(ce)量結(jie)果,實現水(shui)(shui)(shui)(shui)體(ti)VOCs污染程(cheng)度的(de)監(jian)測(ce)與(yu)預警。 系統(tong)原理 系統(tong)將水(shui)(shui)(shui)(shui)樣采(cai)集并加(jia)熱送(song)入吹掃(sao)裝(zhuang)置內,然后(hou)(hou)向吹掃(sao)罐中(zhong)(zhong)通入惰性氣體(ti),將待(dai)測(ce)水(shui)(shui)(shui)(shui)樣中(zhong)(zhong)VOCs組(zu)分吹出,通過除水(shui)(shui)(shui)(shui)裝(zhuang)置去除吹脫混合氣中(zhong)(zhong)的(de)水(shui)(shui)(shui)(shui)分,再將除水(shui)(shui)(shui)(shui)后(hou)(hou)的(de)VOCs組(zu)分在(zai)捕集阱中(zhong)(zhong)進行富集,最后(hou)(hou)啟動加(jia)熱解吸,通過載氣將解吸后(hou)(hou)的(de)VOCs組(zu)分帶入色(se)譜進行分離分析,獲得各組(zu)分濃度。
SIA-3000(COD)水質(zhi)在線分析儀