實驗室使用純水TOC總有機碳分析儀實驗室使用純水TOC總有機碳分析儀總(zong)(zong)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)碳(tan)(tan)(tan)TOC：總(zong)(zong)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)碳(tan)(tan)(tan)是(shi)指(zhi)水(shui)(shui)(shui)(shui)(shui)體(ti)中(zhong)(zhong)(zhong)(zhong)(zhong)溶解(jie)性(xing)(xing)(xing)和(he)懸浮性(xing)(xing)(xing)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)物(wu)含(han)碳(tan)(tan)(tan)的(de)(de)(de)(de)(de)(de)(de)(de)總(zong)(zong)量(liang)(liang)。水(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)(zhong)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)物(wu)的(de)(de)(de)(de)(de)(de)(de)(de)種(zhong)類(lei)(lei)很(hen)多，除含(han)碳(tan)(tan)(tan)外(wai)(wai)(wai)，還含(han)有(you)(you)(you)(you)(you)(you)(you)(you)(you)氫、氮(dan)、硫(liu)等元素(su)，還不(bu)能(neng)(neng)(neng)全(quan)部進行(xing)分(fen)(fen)離鑒(jian)定(ding)(ding)(ding)(ding)(ding)。常(chang)以“TOC"表(biao)示(shi)。TOC是(shi)一(yi)(yi)(yi)個快速檢(jian)定(ding)(ding)(ding)(ding)(ding)的(de)(de)(de)(de)(de)(de)(de)(de)綜(zong)合(he)指(zhi)標(biao)，它(ta)(ta)以碳(tan)(tan)(tan)的(de)(de)(de)(de)(de)(de)(de)(de)數量(liang)(liang)表(biao)示(shi)水(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)(zhong)含(han)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)物(wu)的(de)(de)(de)(de)(de)(de)(de)(de)總(zong)(zong)量(liang)(liang)。但(dan)(dan)由于它(ta)(ta)不(bu)能(neng)(neng)(neng)反(fan)映(ying)水(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)(zhong)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)物(wu)的(de)(de)(de)(de)(de)(de)(de)(de)種(zhong)類(lei)(lei)和(he)組(zu)成(cheng)，因(yin)而不(bu)能(neng)(neng)(neng)反(fan)映(ying)總(zong)(zong)量(liang)(liang)相同(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)(de)總(zong)(zong)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)碳(tan)(tan)(tan)所(suo)(suo)(suo)造(zao)成(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)不(bu)同(tong)(tong)污染(ran)后(hou)果。由于TOC的(de)(de)(de)(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)采用(yong)(yong)燃燒(shao)法(fa)(fa)(fa)(fa)(fa)，因(yin)此(ci)能(neng)(neng)(neng)將有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)物(wu)全(quan)部氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)，它(ta)(ta)比(bi)BOD5或COD更(geng)能(neng)(neng)(neng)直接(jie)(jie)表(biao)示(shi)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)物(wu)的(de)(de)(de)(de)(de)(de)(de)(de)總(zong)(zong)量(liang)(liang)。通常(chang)作為(wei)評價水(shui)(shui)(shui)(shui)(shui)體(ti)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)物(wu)污染(ran)程(cheng)度(du)(du)(du)的(de)(de)(de)(de)(de)(de)(de)(de)重要依據。總(zong)(zong)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)碳(tan)(tan)(tan)(Total Organic Carbon, TOC)是(shi)水(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)(zhong)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)物(wu)所(suo)(suo)(suo)含(han)碳(tan)(tan)(tan)的(de)(de)(de)(de)(de)(de)(de)(de)總(zong)(zong)量(liang)(liang)，所(suo)(suo)(suo)以能(neng)(neng)(neng)*反(fan)映(ying)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)物(wu)對(dui)水(shui)(shui)(shui)(shui)(shui)體(ti)的(de)(de)(de)(de)(de)(de)(de)(de)污染(ran)程(cheng)度(du)(du)(du)。化(hua)(hua)(hua)(hua)學需氧(yang)(yang)(yang)(yang)量(liang)(liang)(COD)、生(sheng)(sheng)化(hua)(hua)(hua)(hua)需氧(yang)(yang)(yang)(yang)量(liang)(liang)(BOD)是(shi)間接(jie)(jie)測(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)水(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)(zhong)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)物(wu)的(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)，一(yi)(yi)(yi)切有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)物(wu)都是(shi)以有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)碳(tan)(tan)(tan)組(zu)成(cheng)，水(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)(zhong)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)物(wu)在氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)時(shi)釋放(fang)出(chu)的(de)(de)(de)(de)(de)(de)(de)(de)碳(tan)(tan)(tan)與氧(yang)(yang)(yang)(yang)結合(he)生(sheng)(sheng)成(cheng)CO2，測(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)生(sheng)(sheng)成(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)CO2是(shi)直接(jie)(jie)測(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)物(wu)的(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)，因(yin)此(ci)TOC是(shi)直接(jie)(jie)測(ce)(ce)(ce)(ce)(ce)量(liang)(liang)水(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)(zhong)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)污染(ran)物(wu)較好的(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)。它(ta)(ta)是(shi)比(bi)COD和(he)BOD5更(geng)能(neng)(neng)(neng)確切表(biao)示(shi)水(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)(zhong)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)污染(ran)物(wu)的(de)(de)(de)(de)(de)(de)(de)(de)綜(zong)合(he)指(zhi)標(biao)。總(zong)(zong)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)碳(tan)(tan)(tan)TOC測(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)：水(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)(zhong)TOC的(de)(de)(de)(de)(de)(de)(de)(de)監(jian)測(ce)(ce)(ce)(ce)(ce)都使用(yong)(yong)儀(yi)(yi)(yi)(yi)器(qi)法(fa)(fa)(fa)(fa)(fa)進行(xing)測(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)。如采用(yong)(yong)直接(jie)(jie)燃燒(shao)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)-非(fei)分(fen)(fen)散(san)紅(hong)(hong)外(wai)(wai)(wai)法(fa)(fa)(fa)(fa)(fa)和(he)K2S2O8氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)-非(fei)分(fen)(fen)散(san)紅(hong)(hong)外(wai)(wai)(wai)法(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)總(zong)(zong)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)碳(tan)(tan)(tan)監(jian)測(ce)(ce)(ce)(ce)(ce)儀(yi)(yi)(yi)(yi)等。自1962年(nian)開發了有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)物(wu)燃燒(shao)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)分(fen)(fen)解(jie)后(hou)用(yong)(yong)非(fei)分(fen)(fen)散(san)紅(hong)(hong)外(wai)(wai)(wai)氣(qi)體(ti)分(fen)(fen)析儀(yi)(yi)(yi)(yi)連(lian)續測(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)以來,TOC 分(fen)(fen)析儀(yi)(yi)(yi)(yi)得到飛躍發展，它(ta)(ta)能(neng)(neng)(neng)在高(gao)溫催化(hua)(hua)(hua)(hua)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)的(de)(de)(de)(de)(de)(de)(de)(de)狀態下或K2S2O8存(cun)在的(de)(de)(de)(de)(de)(de)(de)(de)條件下氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)分(fen)(fen)解(jie)所(suo)(suo)(suo)有(you)(you)(you)(you)(you)(you)(you)(you)(you)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)物(wu)。高(gao)溫催化(hua)(hua)(hua)(hua)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)溫度(du)(du)(du)一(yi)(yi)(yi)般(ban)在980℃。這一(yi)(yi)(yi)方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)已列入許多國家的(de)(de)(de)(de)(de)(de)(de)(de)標(biao)準(zhun)方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)中(zhong)(zhong)(zhong)(zhong)(zhong)，如美國在1967年(nian)就(jiu)在ASTM試驗(yan)(yan)法(fa)(fa)(fa)(fa)(fa)(美國材料(liao)試驗(yan)(yan)協會)D-2579中(zhong)(zhong)(zhong)(zhong)(zhong)法(fa)(fa)(fa)(fa)(fa)定(ding)(ding)(ding)(ding)(ding)采用(yong)(yong)，美國EPA9096方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)規定(ding)(ding)(ding)(ding)(ding)用(yong)(yong)燃燒(shao)—非(fei)分(fen)(fen)散(san)紅(hong)(hong)外(wai)(wai)(wai)法(fa)(fa)(fa)(fa)(fa)(NDIR)測(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)水(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)(zhong)TOC，現在美國測(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)水(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)(zhong)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)物(wu)綜(zong)合(he)指(zhi)標(biao)的(de)(de)(de)(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)儀(yi)(yi)(yi)(yi)器(qi)主要以TOC為(wei)主;日本(ben)是(shi)在1970年(nian)開始(shi)討論TOC方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)，1971年(nian)新修改的(de)(de)(de)(de)(de)(de)(de)(de)JIS方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)中(zhong)(zhong)(zhong)(zhong)(zhong)就(jiu)作為(wei)參考方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)列入JIS K0101中(zhong)(zhong)(zhong)(zhong)(zhong);我國也在1991年(nian)正式將本(ben)方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)作為(wei)地表(biao)水(shui)(shui)(shui)(shui)(shui)和(he)飲用(yong)(yong)水(shui)(shui)(shui)(shui)(shui)中(zhong)(zhong)(zhong)(zhong)(zhong)TOC 測(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)的(de)(de)(de)(de)(de)(de)(de)(de)國標(biao)方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)。TOC的(de)(de)(de)(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)中(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)方(fang)(fang)(fang)(fang)式有(you)(you)(you)(you)(you)(you)(you)(you)(you)燃燒(shao)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)法(fa)(fa)(fa)(fa)(fa)和(he)濕式氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)法(fa)(fa)(fa)(fa)(fa)，產生(sheng)(sheng)的(de)(de)(de)(de)(de)(de)(de)(de)CO2氣(qi)體(ti)檢(jian)測(ce)(ce)(ce)(ce)(ce)方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)有(you)(you)(you)(you)(you)(you)(you)(you)(you)NDIR、電(dian)(dian)導(dao)法(fa)(fa)(fa)(fa)(fa)和(he)FID 法(fa)(fa)(fa)(fa)(fa)等。由于燃燒(shao)—非(fei)分(fen)(fen)散(san)紅(hong)(hong)外(wai)(wai)(wai)法(fa)(fa)(fa)(fa)(fa)不(bu)適用(yong)(yong)測(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)含(han)高(gao)鹽量(liang)(liang)的(de)(de)(de)(de)(de)(de)(de)(de)海(hai)水(shui)(shui)(shui)(shui)(shui)、測(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)靈敏度(du)(du)(du)較低和(he)儀(yi)(yi)(yi)(yi)器(qi)較昂貴(gui)，所(suo)(suo)(suo)以濕式氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)法(fa)(fa)(fa)(fa)(fa)測(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)總(zong)(zong)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)碳(tan)(tan)(tan)成(cheng)為(wei)基體(ti)復雜水(shui)(shui)(shui)(shui)(shui)樣(yang)中(zhong)(zhong)(zhong)(zhong)(zhong)TOC的(de)(de)(de)(de)(de)(de)(de)(de)有(you)(you)(you)(you)(you)(you)(you)(you)(you)效測(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)，如過硫(liu)酸鉀紫外(wai)(wai)(wai)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)- 非(fei)分(fen)(fen)散(san)紅(hong)(hong)外(wai)(wai)(wai)法(fa)(fa)(fa)(fa)(fa)、 電(dian)(dian)導(dao)率(lv)法(fa)(fa)(fa)(fa)(fa)等。更(geng)具體(ti)來說，測(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)TOC 時(shi)使用(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)污染(ran)物(wu)的(de)(de)(de)(de)(de)(de)(de)(de)方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)有(you)(you)(you)(you)(you)(you)(you)(you)(you)三種(zhong)，即：加熱氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)、紫外(wai)(wai)(wai)照射-過硫(liu)酸鹽氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)和(he)OH自由基氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)。實驗(yan)(yan)室用(yong)(yong)TOC測(ce)(ce)(ce)(ce)(ce)定(ding)(ding)(ding)(ding)(ding)儀(yi)(yi)(yi)(yi)和(he)自動在線TOC 監(jian)測(ce)(ce)(ce)(ce)(ce)儀(yi)(yi)(yi)(yi)都有(you)(you)(you)(you)(you)(you)(you)(you)(you)使用(yong)(yong)這三種(zhong)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)儀(yi)(yi)(yi)(yi)器(qi)，雖(sui)然三種(zhong)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)方(fang)(fang)(fang)(fang)法(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)儀(yi)(yi)(yi)(yi)器(qi)設計(ji)、類(lei)(lei)型及氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)特(te)性(xing)(xing)(xing)等不(bu)同(tong)(tong)，但(dan)(dan)必(bi)須能(neng)(neng)(neng)使待測(ce)(ce)(ce)(ce)(ce)水(shui)(shui)(shui)(shui)(shui)樣(yang)中(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)有(you)(you)(you)(you)(you)(you)(you)(you)(you)機(ji)(ji)(ji)污染(ran)物(wu)全(quan)部轉變(bian)成(cheng)CO2，通過測(ce)(ce)(ce)(ce)(ce)量(liang)(liang)生(sheng)(sheng)成(cheng)的(de)(de)(de)(de)(de)(de)(de)(de)CO2量(liang)(liang)計(ji)算(suan)水(shui)(shui)(shui)(shui)(shui)樣(yang)中(zhong)(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)(de)(de)(de)(de)(de)TOC濃(nong)度(du)(du)(du)。

性能規格:測量范圍：0.001mg/L～1.0mg/L（傳(chuan)感(gan)器可(ke)定制(zhi)，濃(nong)度(du)可(ke)調(diao)(diao)節最達到1000mg/L，根(gen)據式樣要求傳(chuan)感(gan)器定制(zhi)調(diao)(diao)節到某一段濃(nong)度(du)范圍）

精(jing) 度：±4% 測試(shi)范圍

分 辨 率：0.001mg /L

分析時間：連續分析

響應(ying)時(shi)間：4分鐘之(zhi)內

檢測極限：0.001mg /L

樣品溫度：1- 95℃

重(zhong)復性(xing)誤差(cha)：≤ 3%

電(dian)源要求(qiu)/功(gong)能：220V

顯 示(shi) 屏(ping)：彩(cai)色觸摸屏(ping)

總(zong)(zong)有(you)機(ji)(ji)(ji)碳(tan)(tan)(tan)(tan)(tan)(tan)TOC分(fen)析(xi)(xi)儀(yi)(yi)：TOC 分(fen)析(xi)(xi)已成為世界許(xu)多國家水(shui)處理(li)和質(zhi)量(liang)控(kong)制的(de)(de)(de)(de)(de)(de)主要手段。另外(wai)(wai) , 在(zai)飲(yin)用(yong)(yong)水(shui)供給、制藥、食品(pin)、半導體(ti)(ti)工業、廢物(wu)(wu)腐殖質(zhi)化(hua)(hua)(hua)(hua)程度(du)分(fen)析(xi)(xi)、水(shui)生系(xi)統的(de)(de)(de)(de)(de)(de)碳(tan)(tan)(tan)(tan)(tan)(tan)通量(liang)分(fen)析(xi)(xi)、土(tu)(tu)(tu)(tu)壤(rang)碳(tan)(tan)(tan)(tan)(tan)(tan)含量(liang)的(de)(de)(de)(de)(de)(de)測(ce)(ce)定、以(yi)及土(tu)(tu)(tu)(tu)壤(rang)的(de)(de)(de)(de)(de)(de)碳(tan)(tan)(tan)(tan)(tan)(tan)循環(huan)中都需要進行(xing) TOC 的(de)(de)(de)(de)(de)(de)測(ce)(ce)定。總(zong)(zong)有(you)機(ji)(ji)(ji)碳(tan)(tan)(tan)(tan)(tan)(tan)分(fen)析(xi)(xi)儀(yi)(yi)，是指用(yong)(yong)于(yu)(yu)測(ce)(ce)定溶液中的(de)(de)(de)(de)(de)(de)總(zong)(zong)有(you)機(ji)(ji)(ji)碳(tan)(tan)(tan)(tan)(tan)(tan)(TOC)的(de)(de)(de)(de)(de)(de)儀(yi)(yi)器。其測(ce)(ce)定原理(li)是溶液中有(you)機(ji)(ji)(ji)碳(tan)(tan)(tan)(tan)(tan)(tan)經(jing)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)轉化(hua)(hua)(hua)(hua)為二(er)(er)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)碳(tan)(tan)(tan)(tan)(tan)(tan)，在(zai)消(xiao)除干(gan)擾物(wu)(wu)質(zhi)后由(you)檢(jian)測(ce)(ce)器測(ce)(ce)得二(er)(er)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)碳(tan)(tan)(tan)(tan)(tan)(tan)含量(liang)。利用(yong)(yong)二(er)(er)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)碳(tan)(tan)(tan)(tan)(tan)(tan)與總(zong)(zong)有(you)機(ji)(ji)(ji)碳(tan)(tan)(tan)(tan)(tan)(tan)之(zhi)間碳(tan)(tan)(tan)(tan)(tan)(tan)含量(liang)的(de)(de)(de)(de)(de)(de)對(dui)(dui)應關系(xi)，對(dui)(dui)溶液中的(de)(de)(de)(de)(de)(de)總(zong)(zong)有(you)機(ji)(ji)(ji)碳(tan)(tan)(tan)(tan)(tan)(tan)進行(xing)定量(liang)測(ce)(ce)定。總(zong)(zong)有(you)機(ji)(ji)(ji)碳(tan)(tan)(tan)(tan)(tan)(tan)分(fen)析(xi)(xi)儀(yi)(yi)的(de)(de)(de)(de)(de)(de)測(ce)(ce)定方(fang)式主要有(you)三種類(lei)型。濕法(fa)(fa)(fa)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)-非(fei)(fei)(fei)色(se)散紅(hong)外(wai)(wai)檢(jian)測(ce)(ce)，該(gai)方(fang)式是在(zai)樣(yang)(yang)品(pin)經(jing)過酸(suan)性過硫酸(suan)鉀氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)之(zhi)前經(jing)磷(lin)酸(suan)處理(li)待測(ce)(ce)樣(yang)(yang)品(pin)，去除無(wu)機(ji)(ji)(ji)碳(tan)(tan)(tan)(tan)(tan)(tan)后測(ce)(ce)定TOC的(de)(de)(de)(de)(de)(de)濃(nong)度(du)。但濕法(fa)(fa)(fa)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)對(dui)(dui)于(yu)(yu)含腐殖酸(suan)等高(gao)相(xiang)對(dui)(dui)分(fen)子(zi)質(zhi)量(liang)化(hua)(hua)(hua)(hua)合物(wu)(wu)的(de)(de)(de)(de)(de)(de)水(shui)體(ti)(ti)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)不(bu)充分(fen)。紫(zi)外(wai)(wai)-濕法(fa)(fa)(fa)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)-非(fei)(fei)(fei)色(se)散紅(hong)外(wai)(wai)檢(jian)測(ce)(ce)，該(gai)方(fang)式是紫(zi)外(wai)(wai)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)和濕法(fa)(fa)(fa)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)兩者的(de)(de)(de)(de)(de)(de)協同作用(yong)(yong)，針對(dui)(dui)紫(zi)外(wai)(wai)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)法(fa)(fa)(fa)無(wu)法(fa)(fa)(fa)用(yong)(yong)于(yu)(yu)高(gao)含量(liang)TOC的(de)(de)(de)(de)(de)(de)復雜(za)水(shui)體(ti)(ti)，兩者的(de)(de)(de)(de)(de)(de)協同可以(yi)測(ce)(ce)量(liang)污染(ran)較重的(de)(de)(de)(de)(de)(de)水(shui)體(ti)(ti)。高(gao)溫催(cui)化(hua)(hua)(hua)(hua)燃燒氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)-非(fei)(fei)(fei)色(se)散紅(hong)外(wai)(wai)檢(jian)測(ce)(ce)，樣(yang)(yang)品(pin)中有(you)機(ji)(ji)(ji)碳(tan)(tan)(tan)(tan)(tan)(tan)在(zai)高(gao)溫催(cui)化(hua)(hua)(hua)(hua)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)條件下(xia)轉化(hua)(hua)(hua)(hua)為二(er)(er)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)碳(tan)(tan)(tan)(tan)(tan)(tan)后經(jing)非(fei)(fei)(fei)色(se)散紅(hong)外(wai)(wai)(NDIR)檢(jian)測(ce)(ce)，因髙(gao)溫燃燒相(xiang)對(dui)(dui)*，適用(yong)(yong)于(yu)(yu)污染(ran)較重水(shui)體(ti)(ti)或是復雜(za)水(shui)體(ti)(ti)，但需考慮樣(yang)(yang)品(pin)的(de)(de)(de)(de)(de)(de)高(gao)鹽(yan)分(fen)對(dui)(dui)于(yu)(yu)測(ce)(ce)定結(jie)果的(de)(de)(de)(de)(de)(de)影響問(wen)題(ti)。此外(wai)(wai)紫(zi)外(wai)(wai)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)-非(fei)(fei)(fei)色(se)散紅(hong)外(wai)(wai)檢(jian)測(ce)(ce)、電阻(zu)法(fa)(fa)(fa)、紫(zi)外(wai)(wai)吸收光譜、電導法(fa)(fa)(fa)等方(fang)式均因穩定性差或對(dui)(dui)顆(ke)粒(li)狀、高(gao)相(xiang)對(dui)(dui)分(fen)子(zi)質(zhi)量(liang)有(you)機(ji)(ji)(ji)物(wu)(wu)氧(yang)(yang)(yang)(yang)化(hua)(hua)(hua)(hua)不(bu)*而未能用(yong)(yong)于(yu)(yu)土(tu)(tu)(tu)(tu)壤(rang)學領域。將(jiang)土(tu)(tu)(tu)(tu)壤(rang)、沉積物(wu)(wu)樣(yang)(yang)品(pin)處理(li)成為溶液樣(yang)(yang)品(pin)時(shi)需要考慮一定粒(li)度(du)的(de)(de)(de)(de)(de)(de)漂浮物(wu)(wu)或可沉固體(ti)(ti)物(wu)(wu)質(zhi)的(de)(de)(de)(de)(de)(de)處理(li)問(wen)題(ti)。

總有機(ji)碳(tan)(TOC)分析儀是一(yi)款專門用于檢測純化水(shui)、注射用水(shui)、超(chao)純水(shui)等去離(li)子水(shui)中總有機(ji)碳(tan)的儀器(qi)。在(zai)(zai)線檢測，滿足(zu)GMP及計算機(ji)化系(xi)統驗(yan)證要求。該儀器(qi)由安(an)裝在(zai)(zai)計算機(ji)上的軟件控制，并進行數(shu)據(ju)的分析處理(li)，功能更完善，顯示(shi)內容(rong)豐(feng)富(fu)，數(shu)據(ju)查詢(xun)方便，操作簡單。

總有機(ji)碳(tan)(TOC)分析儀(yi)功能(neng)特點：

1、儀器(qi)是IP65防護(hu)等級(防水防塵(chen))。

2、電腦端(duan)口操(cao)作，一個端(duan)口可控(kong)制多臺檢測單(dan)元。

3、具(ju)有(you)電子簽(qian)名、審計追蹤等功能。

4、紫外燈，蠕(ru)動(dong)泵易觀察、易維護操作(zuo)。

5、免拆(chai)式設計，便于工(gong)況(kuang)觀察維護。

化(hua)學需氧(yang)量COD：化(hua)學需氧(yang)量COD(Chemical Oxygen Demand)是(shi)以化(hua)學方法測量水(shui)樣中需要被(bei)氧(yang)化(hua)的(de)還原性(xing)物(wu)質(zhi)的(de)量。廢水(shui)、廢水(shui)處理廠(chang)出(chu)水(shui)和受污(wu)染的(de)水(shui)中，能(neng)被(bei)強氧(yang)化(hua)劑氧(yang)化(hua)的(de)物(wu)質(zhi)(一般為有機(ji)物(wu))的(de)氧(yang)當量。在(zai)河流污(wu)染和工業廢水(shui)性(xing)質(zhi)的(de)研究以及廢水(shui)處理廠(chang)的(de)運行管理中，它是(shi)一個重要的(de)而且能(neng)較(jiao)快(kuai)測定(ding)的(de)有機(ji)物(wu)污(wu)染參數(shu)，常以符號COD表示。

COD定義：水(shui)樣在(zai)一定條件下(xia)，以氧(yang)(yang)化(hua)1升(sheng)水(shui)樣中還原性物(wu)質所消(xiao)(xiao)耗(hao)的(de)(de)(de)(de)(de)氧(yang)(yang)化(hua)劑的(de)(de)(de)(de)(de)量(liang)(liang)(liang)為(wei)指(zhi)標(biao)，折算成每升(sheng)水(shui)樣全部被氧(yang)(yang)化(hua)后(hou)，需(xu)(xu)要(yao)的(de)(de)(de)(de)(de)氧(yang)(yang)的(de)(de)(de)(de)(de)毫克數(shu)，以mg/L表示。COD反映了水(shui)中受還原性物(wu)質污(wu)染的(de)(de)(de)(de)(de)程(cheng)度。COD指(zhi)標(biao)也作為(wei)有機物(wu)相對(dui)含(han)量(liang)(liang)(liang)的(de)(de)(de)(de)(de)綜合指(zhi)標(biao)之一。COD測(ce)(ce)量(liang)(liang)(liang)方法(fa)：一般測(ce)(ce)量(liang)(liang)(liang)化(hua)學需(xu)(xu)氧(yang)(yang)量(liang)(liang)(liang)所用(yong)的(de)(de)(de)(de)(de)氧(yang)(yang)化(hua)劑為(wei)或重鉻酸鉀(jia)，使(shi)用(yong)不(bu)同(tong)的(de)(de)(de)(de)(de)氧(yang)(yang)化(hua)劑得出的(de)(de)(de)(de)(de)數(shu)值也不(bu)同(tong)，因(yin)此(ci)需(xu)(xu)要(yao)注明檢(jian)測(ce)(ce)方法(fa)。我(wo)公(gong)司的(de)(de)(de)(de)(de)在(zai)線COD自動分(fen)析(xi)(xi)儀用(yong)的(de)(de)(de)(de)(de)是(shi)重鉻酸鉀(jia)高溫消(xiao)(xiao)解法(fa)，檢(jian)測(ce)(ce)快速穩定。根(gen)據所加強(qiang)氧(yang)(yang)化(hua)劑的(de)(de)(de)(de)(de)不(bu)同(tong)，分(fen)別(bie)稱(cheng)為(wei)重鉻酸鉀(jia)耗(hao)氧(yang)(yang)量(liang)(liang)(liang)(習(xi)慣上(shang)稱(cheng)為(wei)化(hua)學需(xu)(xu)氧(yang)(yang)量(liang)(liang)(liang)，chemical oxygen demand，簡稱(cheng)cod )和(he)耗(hao)氧(yang)(yang)量(liang)(liang)(liang)(習(xi)慣上(shang)稱(cheng)為(wei)耗(hao)氧(yang)(yang)量(liang)(liang)(liang)，oxygen consumption，簡稱(cheng)oc，也稱(cheng)為(wei)高錳酸鹽指(zhi)數(shu))。化(hua)學需(xu)(xu)氧(yang)(yang)量(liang)(liang)(liang)還可與生化(hua)需(xu)(xu)氧(yang)(yang)量(liang)(liang)(liang)(BOD)比較，BOD/COD的(de)(de)(de)(de)(de)比率(lv)反映出了污(wu)水(shui)的(de)(de)(de)(de)(de)生物(wu)降解能(neng)力。生化(hua)需(xu)(xu)氧(yang)(yang)量(liang)(liang)(liang)分(fen)析(xi)(xi)花費時(shi)(shi)間較長，一般在(zai)20天以上(shang)水(shui)中生物(wu)方能(neng)基本消(xiao)(xiao)耗(hao)*，為(wei)便(bian)捷一般取五天時(shi)(shi)已耗(hao)氧(yang)(yang)約95%為(wei)環境監(jian)測(ce)(ce)數(shu)據，標(biao)志為(wei)BOD5。

總(zong)(zong)(zong)(zong)氮(dan)(dan)(dan)：總(zong)(zong)(zong)(zong)氮(dan)(dan)(dan)簡稱為TN，水(shui)(shui)(shui)中的總(zong)(zong)(zong)(zong)氮(dan)(dan)(dan)含量是(shi)衡(heng)量水(shui)(shui)(shui)質的重(zhong)要(yao)(yao)(yao)指(zhi)標(biao)(biao)之(zhi)一(yi)。總(zong)(zong)(zong)(zong)氮(dan)(dan)(dan)的定義是(shi)水(shui)(shui)(shui)中各種(zhong)形態(tai)無機(ji)(ji)和(he)有機(ji)(ji)氮(dan)(dan)(dan)的總(zong)(zong)(zong)(zong)量。包括NO3-、NO2-和(he)NH4+等無機(ji)(ji)氮(dan)(dan)(dan)和(he)蛋白(bai)質、氨基酸和(he)有機(ji)(ji)胺等有機(ji)(ji)氮(dan)(dan)(dan)，以每升(sheng)水(shui)(shui)(shui)含氮(dan)(dan)(dan)毫克數計(ji)算。常(chang)被用(yong)來表(biao)示水(shui)(shui)(shui)體(ti)受營(ying)養物(wu)質污(wu)染(ran)(ran)的程度。水(shui)(shui)(shui)中的總(zong)(zong)(zong)(zong)氮(dan)(dan)(dan)含量是(shi)衡(heng)量水(shui)(shui)(shui)質的重(zhong)要(yao)(yao)(yao)指(zhi)標(biao)(biao)之(zhi)一(yi)。其測定有助(zhu)于評(ping)價水(shui)(shui)(shui)體(ti)被污(wu)染(ran)(ran)和(he)自(zi)凈狀況。地表(biao)水(shui)(shui)(shui)中氮(dan)(dan)(dan)、磷物(wu)質超標(biao)(biao)時，微生(sheng)物(wu)大量繁殖，浮游生(sheng)物(wu)生(sheng)長(chang)旺(wang)盛，出現(xian)富(fu)營(ying)養化(hua)狀態(tai)。總(zong)(zong)(zong)(zong)氮(dan)(dan)(dan)為硝酸鹽(yan)(yan)氮(dan)(dan)(dan)、亞硝酸鹽(yan)(yan)氮(dan)(dan)(dan)、氨氮(dan)(dan)(dan)與有機(ji)(ji)氮(dan)(dan)(dan)的總(zong)(zong)(zong)(zong)稱，是(shi)反映水(shui)(shui)(shui)體(ti)富(fu)營(ying)養化(hua)的主要(yao)(yao)(yao)指(zhi)標(biao)(biao)。據(ju)了解，《雜(za)環類農藥(yao)工業(ye)(ye)水(shui)(shui)(shui)污(wu)染(ran)(ran)物(wu)排放(fang)標(biao)(biao)準》規定，在環境承(cheng)載能力(li)開始減弱(ruo)，或(huo)環境容量較小、生(sheng)態(tai)環境脆弱(ruo)，容易發生(sheng)嚴重(zhong)環境污(wu)染(ran)(ran)問題而需要(yao)(yao)(yao)采取特別(bie)保護措施(shi)的地區，現(xian)有企(qi)(qi)業(ye)(ye)和(he)新建企(qi)(qi)業(ye)(ye)要(yao)(yao)(yao)執(zhi)行總(zong)(zong)(zong)(zong)氮(dan)(dan)(dan)特別(bie)排放(fang)限(xian)值(zhi)(zhi)30mg/L。新修訂的《合成氨工業(ye)(ye)水(shui)(shui)(shui)污(wu)染(ran)(ran)物(wu)排放(fang)標(biao)(biao)準》征(zheng)求意(yi)見稿中，對(dui)總(zong)(zong)(zong)(zong)氮(dan)(dan)(dan)排放(fang)的要(yao)(yao)(yao)求是(shi)，現(xian)有企(qi)(qi)業(ye)(ye)自(zi)2009年1月(yue)1日(ri)起至2010年6月(yue)30日(ri)執(zhi)行50mg/L的限(xian)值(zhi)(zhi)，自(zi)2010年7月(yue)1日(ri)起執(zhi)行30mg/L的限(xian)值(zhi)(zhi)。新建企(qi)(qi)業(ye)(ye)自(zi)2008年7月(yue)1日(ri)起就(jiu)要(yao)(yao)(yao)執(zhi)行30mg/L的限(xian)值(zhi)(zhi)，而特殊(shu)地區的企(qi)(qi)業(ye)(ye)要(yao)(yao)(yao)執(zhi)行20mg/L的限(xian)值(zhi)(zhi)。

總(zong)(zong)氮(dan)(dan)(dan)自動分(fen)析(xi)儀簡介(jie)：當水(shui)(shui)中的亞硝(xiao)酸(suan)鹽氮(dan)(dan)(dan)過高，飲(yin)用(yong)此(ci)水(shui)(shui)將和蛋(dan)白質(zhi)結合形成亞硝(xiao)胺，是一種強致癌物(wu)質(zhi)，長期飲(yin)用(yong)對(dui)身體(ti)極為不利。而且氨氮(dan)(dan)(dan)在厭氧條件下，也會轉化為亞硝(xiao)酸(suan)鹽氮(dan)(dan)(dan);飲(yin)用(yong)水(shui)(shui)中硝(xiao)酸(suan)鹽氮(dan)(dan)(dan)在人(ren)(ren)體(ti)內(nei)經(jing)硝(xiao)酸(suan)還原(yuan)菌作用(yong)后被還原(yuan)為亞硝(xiao)酸(suan)鹽氮(dan)(dan)(dan)，毒性(xing)(xing)將擴大(da)為硝(xiao)酸(suan)鹽毒性(xing)(xing)的11倍，主要(yao)影響(xiang)血紅蛋(dan)白攜帶氧的能力(li)，使(shi)人(ren)(ren)體(ti)出現(xian)窒息(xi)現(xian)象。總(zong)(zong)氮(dan)(dan)(dan)是反映水(shui)(shui)體(ti)富營養化的主要(yao)指標(biao)。太湖(hu)水(shui)(shui)污染事件的發生，讓監管部門重新(xin)認識到了總(zong)(zong)氮(dan)(dan)(dan)的危害(hai)性(xing)(xing)。掌(zhang)握總(zong)(zong)氮(dan)(dan)(dan)排放量、分(fen)布狀(zhuang)況以及(ji)主要(yao)來(lai)源，對(dui)控制水(shui)(shui)體(ti)富營養化、改(gai)善水(shui)(shui)質(zhi)具(ju)有十分(fen)重要(yao)的意義(yi)。

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