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HMA-2000系列重金屬(shu)在(zai)線分析儀采用(yong)陽極(ji)溶(rong)出(chu)伏安法檢(jian)測(ce)原(yuan)理。經預處理的(de)水樣在(zai)高(gao)溫高(gao)壓(ya)消(xiao)解(jie)后(hou),與電(dian)(dian)(dian)解(jie)液(ye)在(zai)檢(jian)測(ce)池內混合,然(ran)后(hou)在(zai)電(dian)(dian)(dian)極(ji)上(shang)施加一還原(yuan)電(dian)(dian)(dian)勢(shi)將混合液(ye)中的(de)待測(ce)金屬(shu)離子富(fu)(fu)集在(zai)工作電(dian)(dian)(dian)極(ji)上(shang),再按階(jie)梯(ti)脈沖(chong)方式持續改變(bian)外(wai)加電(dian)(dian)(dian)勢(shi),使富(fu)(fu)集在(zai)工作電(dian)(dian)(dian)極(ji)上(shang)的(de)金屬(shu)元素溶(rong)出(chu),并檢(jian)測(ce)溶(rong)出(chu)時的(de)電(dian)(dian)(dian)流信號強度,根據溶(rong)出(chu)電(dian)(dian)(dian)流信號峰強度換算得(de)到被測(ce)組(zu)分的(de)濃度。
HMA-2000系(xi)列重金(jin)(jin)屬在(zai)(zai)(zai)線分(fen)析儀采用陽極(ji)溶(rong)(rong)出伏(fu)安法(fa)檢(jian)測原理(li)(li)。經(jing)預(yu)處理(li)(li)的水樣在(zai)(zai)(zai)高溫高壓消解(jie)后,與電(dian)解(jie)液在(zai)(zai)(zai)檢(jian)測池內混合,然后在(zai)(zai)(zai)電(dian)極(ji)上施加一還原電(dian)勢將混合液中的待(dai)測金(jin)(jin)屬離子富(fu)集(ji)(ji)在(zai)(zai)(zai)工作(zuo)電(dian)極(ji)上,再(zai)按(an)階梯脈沖方式持續改變外加電(dian)勢,使富(fu)集(ji)(ji)在(zai)(zai)(zai)工作(zuo)電(dian)極(ji)上的金(jin)(jin)屬元素溶(rong)(rong)出,并檢(jian)測溶(rong)(rong)出時的電(dian)流(liu)信號(hao)強度(du)(du),根(gen)據溶(rong)(rong)出電(dian)流(liu)信號(hao)峰強度(du)(du)換算得到被(bei)測組分(fen)的濃度(du)(du)。