上海沃懋儀(yi)表科技有限公(gong)司(si)氨(an)(an)(an)氮(dan)(dan)水(shui)(shui)(shui)(shui)質(zhi)分析儀(yi),氨(an)(an)(an)氮(dan)(dan)在(zai)線自動監測儀(yi),水(shui)(shui)(shui)(shui)中的氨(an)(an)(an)氮(dan)(dan)是(shi)指(zhi)游離氨(an)(an)(an)形(xing)式存在(zai)的氨(an)(an)(an),主要(yao)來源于(yu)生(sheng)活污水(shui)(shui)(shui)(shui)中含氮(dan)(dan)有機物(wu)(wu)受微(wei)生(sheng)物(wu)(wu)作用的分解產物(wu)(wu),焦化合(he)成氨(an)(an)(an)等(deng)工業廢水(shui)(shui)(shui)(shui),以(yi)及農田排(pai)水(shui)(shui)(shui)(shui)等(deng)。水(shui)(shui)(shui)(shui)體中氨(an)(an)(an)氮(dan)(dan)含量較高時,對魚類呈現(xian)毒害(hai)作用,對人類也有不同(tong)程度(du)的危害(hai)。測定水(shui)(shui)(shui)(shui)中氨(an)(an)(an)氮(dan)(dan)含量有助于(yu)評價水(shui)(shui)(shui)(shui)體被污染和“自凈(jing)”狀況,因此氨(an)(an)(an)氮(dan)(dan)是(shi)表征水(shui)(shui)(shui)(shui)質(zhi)污染的重(zhong)要(yao)標。
氨(an)氮水質(zhi)在(zai)線自動(dong)(dong)監測儀(yi)(yi)采用(yong)離(li)子選擇電(dian)極(ji)(ji)法,傳(chuan)感器(qi)由銨離(li)子選擇電(dian)極(ji)(ji)、鉀離(li)子選擇電(dian)極(ji)(ji)和溫(wen)度電(dian)極(ji)(ji)共同(tong)組成一(yi)個(ge)測量(liang)體(ti)系,幾(ji)個(ge)參數(shu)可(ke)以互(hu)相修正(zheng)減(jian)少(shao)干擾。氨(an)氮水質(zhi)在(zai)線自動(dong)(dong)監測儀(yi)(yi)可(ke)以進行靈(ling)活的(de)(de)在(zai)線校正(zheng),進一(yi)步提高(gao)測量(liang)的(de)(de)準確度。