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NH₃N-2000型氨(an)(an)氮在線分析儀(yi)采用納氏(shi)試劑(ji)光度法檢測原理。經預處理的(de)(de)水(shui)樣通過掩(yan)蔽(bi)劑(ji)掩(yan)蔽(bi)干擾(rao)離子，然后(hou)顯色光度檢測，完成氨(an)(an)氮濃度的(de)(de)快速測定(ding)。儀(yi)器采用的(de)(de)測量(liang)方(fang)法符合《水(shui)質氨(an)(an)氮的(de)(de)測定(ding)納氏(shi)試劑(ji)分光光度法》（HJ535-2009）標準要求。

TPN-2000型(xing)總(zong)磷(lin)(lin)在線分析儀(yi)采用(yong)過硫酸(suan)鉀(jia)消解(jie)-磷(lin)(lin)鉬藍光度(du)(du)法檢(jian)測原理(li)。經(jing)預(yu)處理(li)的(de)水樣在高溫高壓條件下消解(jie)，然后顯色光度(du)(du)檢(jian)測，完成(cheng)總(zong)磷(lin)(lin)濃度(du)(du)的(de)快速測定。儀(yi)器采用(yong)的(de)測量方(fang)法符合(he)《水質(zhi) 總(zong)磷(lin)(lin)的(de)測定鉬酸(suan)銨分光光度(du)(du)法》（GB 11893-89）標準要求。

TPN-2000型總(zong)(zong)氮在(zai)線分析儀(yi)采(cai)用高(gao)溫高(gao)壓-堿性過硫(liu)酸(suan)鉀消(xiao)(xiao)解(jie)-紫外(wai)分光(guang)光(guang)度(du)法檢測(ce)原理。經(jing)預處理的(de)(de)水樣在(zai)高(gao)溫高(gao)壓條件下消(xiao)(xiao)解(jie)，酸(suan)化后(hou)光(guang)度(du)檢測(ce)，完成總(zong)(zong)氮濃度(du)的(de)(de)快速(su)測(ce)定(ding)(ding)。儀(yi)器采(cai)用的(de)(de)測(ce)量方法符(fu)合《水質總(zong)(zong)氮的(de)(de)測(ce)定(ding)(ding)堿性過硫(liu)酸(suan)鉀消(xiao)(xiao)解(jie)紫外(wai)分光(guang)光(guang)度(du)法》(HJ636-2012)標準要(yao)求。

針對我(wo)國(guo)當前(qian)地表水(shui)(shui)(shui)、飲用水(shui)(shui)(shui)源揮發(fa)性(xing)有(you)(you)機(ji)物(wu)（VOCs）在(zai)線(xian)(xian)監(jian)測(ce)需(xu)求，聚光(guang)科技自主(zhu)研發(fa)了VOC-3000 水(shui)(shui)(shui)中(zhong)(zhong)(zhong)揮發(fa)性(xing)有(you)(you)機(ji)物(wu)在(zai)線(xian)(xian)監(jian)測(ce)系統(tong)(tong)。VOC-3000 水(shui)(shui)(shui)中(zhong)(zhong)(zhong)揮發(fa)性(xing)有(you)(you)機(ji)物(wu)在(zai)線(xian)(xian)監(jian)測(ce)系統(tong)(tong)集(ji)(ji)(ji)自動進樣(yang)(yang)、吹(chui)掃(sao)、富集(ji)(ji)(ji)、解吸(xi)(xi)、色譜分(fen)(fen)離和數據處(chu)理(li)于一(yi)體，可無人(ren)監(jian)守下(xia)連續運行(xing)，準確測(ce)量(liang)水(shui)(shui)(shui)中(zhong)(zhong)(zhong)VOCs濃(nong)度(du)，實(shi)時(shi)遠程傳輸測(ce)量(liang)結果(guo)，實(shi)現水(shui)(shui)(shui)體VOCs污(wu)染程度(du)的監(jian)測(ce)與預警(jing)。 系統(tong)(tong)原(yuan)理(li) 系統(tong)(tong)將(jiang)(jiang)水(shui)(shui)(shui)樣(yang)(yang)采集(ji)(ji)(ji)并加熱(re)送入吹(chui)掃(sao)裝置(zhi)內，然后(hou)(hou)向吹(chui)掃(sao)罐中(zhong)(zhong)(zhong)通(tong)入惰性(xing)氣體，將(jiang)(jiang)待(dai)測(ce)水(shui)(shui)(shui)樣(yang)(yang)中(zhong)(zhong)(zhong)VOCs組(zu)分(fen)(fen)吹(chui)出，通(tong)過(guo)除水(shui)(shui)(shui)裝置(zhi)去(qu)除吹(chui)脫混合氣中(zhong)(zhong)(zhong)的水(shui)(shui)(shui)分(fen)(fen)，再將(jiang)(jiang)除水(shui)(shui)(shui)后(hou)(hou)的VOCs組(zu)分(fen)(fen)在(zai)捕(bu)集(ji)(ji)(ji)阱中(zhong)(zhong)(zhong)進行(xing)富集(ji)(ji)(ji)，最(zui)后(hou)(hou)啟動加熱(re)解吸(xi)(xi)，通(tong)過(guo)載(zai)氣將(jiang)(jiang)解吸(xi)(xi)后(hou)(hou)的VOCs組(zu)分(fen)(fen)帶入色譜進行(xing)分(fen)(fen)離分(fen)(fen)析，獲(huo)得各組(zu)分(fen)(fen)濃(nong)度(du)。