冷原子吸收測汞儀型號

冷原子吸收測汞儀型號

產品(pin)介紹(shao)

F732-VJ冷(leng)原子(zi)吸(xi)收測汞(gong)儀儀器可(ke)對(dui)(dui)液(ye)體(ti)(ti)樣(yang)品中的(de)(de)汞(gong)進行(xing)測定，也可(ke)對(dui)(dui)經過(guo)處理轉化(hua)為液(ye)體(ti)(ti)的(de)(de)固體(ti)(ti)樣(yang)品或氣體(ti)(ti)樣(yang)品中的(de)(de)汞(gong)進行(xing)測定，因(yin)此可(ke)廣泛用(yong)于環境監(jian)測、醫療衛生、食品檢驗、地質勘探(tan)及化(hua)學研(yan)究等領域對(dui)(dui)微量汞(gong)的(de)(de)分析測定。

產品特點

1. 內置微機系統，測量與計(ji)算(suan)功能顯著增強

2. 通(tong)過液晶屏顯示當前(qian)狀態(tai)、測定結果(guo)或其它參數(shu)

3. 具備打印輸(shu)出(chu)功能,還附有RS-232C 串行接口

4. 使(shi)用方法簡便，性能穩定、可靠

工作原(yuan)理      

1. 汞(gong)(gong)(gong)(gong)(gong)(gong)原子(zi)蒸(zheng)氣(qi)對253.7nm的紫外光(guang)有選擇性吸(xi)(xi)收，在一定濃度范圍內，吸(xi)(xi)收光(guang)與汞(gong)(gong)(gong)(gong)(gong)(gong)濃度成正比。水樣經消解(jie)后(hou)，將(jiang)各種形態汞(gong)(gong)(gong)(gong)(gong)(gong)轉變成二(er)價(jia)(jia)汞(gong)(gong)(gong)(gong)(gong)(gong)，再(zai)用氯化亞錫將(jiang)二(er)價(jia)(jia)汞(gong)(gong)(gong)(gong)(gong)(gong)還原為(wei)元素汞(gong)(gong)(gong)(gong)(gong)(gong)，用載氣(qi)將(jiang)產生(sheng)的汞(gong)(gong)(gong)(gong)(gong)(gong)蒸(zheng)氣(qi)帶入(ru)測(ce)汞(gong)(gong)(gong)(gong)(gong)(gong)儀的吸(xi)(xi)收池測(ce)定吸(xi)(xi)光(guang)度，與汞(gong)(gong)(gong)(gong)(gong)(gong)標(biao)準溶液吸(xi)(xi)光(guang)度進行比較(jiao)定量。

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