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HMA-2000系列(lie)重(zhong)金屬在(zai)(zai)線分析儀采用陽極溶出伏安法檢(jian)測原理(li)。經預處理(li)的(de)水(shui)樣在(zai)(zai)高溫高壓消解(jie)后,與電(dian)解(jie)液在(zai)(zai)檢(jian)測池內混合(he),然后在(zai)(zai)電(dian)極上(shang)(shang)施加一還原電(dian)勢將(jiang)混合(he)液中的(de)待(dai)測金屬離子富集在(zai)(zai)工(gong)(gong)作(zuo)(zuo)電(dian)極上(shang)(shang),再按階梯脈(mo)沖方式持續改變(bian)外加電(dian)勢,使(shi)富集在(zai)(zai)工(gong)(gong)作(zuo)(zuo)電(dian)極上(shang)(shang)的(de)金屬元素溶出,并檢(jian)測溶出時(shi)的(de)電(dian)流信號強(qiang)度(du),根據溶出電(dian)流信號峰強(qiang)度(du)換算得到(dao)被測組分的(de)濃度(du)。
HMA-2000系列重(zhong)金屬(shu)在(zai)線(xian)分析儀采用陽極(ji)溶(rong)出(chu)伏安法檢(jian)測(ce)原理(li)。經預處理(li)的水樣(yang)在(zai)高溫高壓消解(jie)(jie)后,與電(dian)(dian)(dian)解(jie)(jie)液在(zai)檢(jian)測(ce)池內(nei)混合(he),然后在(zai)電(dian)(dian)(dian)極(ji)上施(shi)加一還(huan)原電(dian)(dian)(dian)勢將混合(he)液中(zhong)的待測(ce)金屬(shu)離子富集在(zai)工作電(dian)(dian)(dian)極(ji)上,再(zai)按(an)階梯脈沖方式持續改變外(wai)加電(dian)(dian)(dian)勢,使富集在(zai)工作電(dian)(dian)(dian)極(ji)上的金屬(shu)元素溶(rong)出(chu),并檢(jian)測(ce)溶(rong)出(chu)時的電(dian)(dian)(dian)流信號強度,根據溶(rong)出(chu)電(dian)(dian)(dian)流信號峰(feng)強度換算得(de)到被(bei)測(ce)組分的濃度。