為滿足(zu)水(shui)(shui)中及大氣VOCs快速污(wu)(wu)(wu)(wu)染(ran)(ran)排查、污(wu)(wu)(wu)(wu)染(ran)(ran)監(jian)(jian)(jian)測(ce)(ce)的需求,禾信儀器在走(zou)(zou)航監(jian)(jian)(jian)測(ce)(ce)技術的基礎(chu)上自主(zhu)研發了(le)水(shui)(shui)氣兩用VOCs監(jian)(jian)(jian)測(ce)(ce)系統(tong),首創(chuang)單臺設備具(ju)備秒(miao)級在線(xian)切換氣體(ti)、液體(ti)樣品(pin)的測(ce)(ce)定模(mo)(mo)式,擴大了(le)大氣與水(shui)(shui)質(zhi)污(wu)(wu)(wu)(wu)染(ran)(ran)常(chang)規監(jian)(jian)(jian)測(ce)(ce)、應急(ji)監(jian)(jian)(jian)測(ce)(ce)系統(tong)的適用范圍,提高現(xian)場監(jian)(jian)(jian)測(ce)(ce)能力(li),大氣監(jian)(jian)(jian)測(ce)(ce)模(mo)(mo)式可(ke)(ke)以(yi)實(shi)現(xian)邊走(zou)(zou)邊實(shi)時在線(xian)連續監(jian)(jian)(jian)測(ce)(ce)多種VOCs成分(fen),獲取不(bu)同物種濃度分(fen)布和變化規律,實(shi)現(xian)污(wu)(wu)(wu)(wu)染(ran)(ran)3D畫像(xiang),水(shui)(shui)質(zhi)監(jian)(jian)(jian)測(ce)(ce)模(mo)(mo)式可(ke)(ke)以(yi)滿足(zu)水(shui)(shui)質(zhi)污(wu)(wu)(wu)(wu)染(ran)(ran)現(xian)場快速監(jian)(jian)(jian)測(ce)(ce),準確獲取水(shui)(shui)質(zhi)污(wu)(wu)(wu)(wu)染(ran)(ran)組(zu)分(fen)及濃度,快速鎖定污(wu)(wu)(wu)(wu)染(ran)(ran)區域(yu)、查清污(wu)(wu)(wu)(wu)染(ran)(ran)類型、判(pan)斷(duan)污(wu)(wu)(wu)(wu)染(ran)(ran)程度,也可(ke)(ke)以(yi)用作常(chang)規水(shui)(shui)站在線(xian)監(jian)(jian)(jian)測(ce)(ce)為政府開展流(liu)域(yu)水(shui)(shui)環境污(wu)(wu)(wu)(wu)染(ran)(ran)治理提供管理決策依(yi)據。
Product principle
該產品由進樣(yang)(yang)系(xi)統(tong)、電離(li)(li)(li)(li)系(xi)統(tong)和質(zhi)譜分(fen)析系(xi)統(tong)組成,其中進樣(yang)(yang)系(xi)統(tong)采用氣液兩相多功能(neng)膜(mo)進樣(yang)(yang)裝置,無(wu)需停真(zhen)(zhen)空(kong)(kong),快速在線切(qie)換氣體、液體樣(yang)(yang)品的(de)(de)測定(ding),電離(li)(li)(li)(li)系(xi)統(tong)利用真(zhen)(zhen)空(kong)(kong)紫外(wai)燈電離(li)(li)(li)(li)得到各物(wu)質(zhi)的(de)(de)分(fen)子離(li)(li)(li)(li)子,基本無(wu)碎片(pian)保(bao)證了化合物(wu)的(de)(de)完整信息,提(ti)升定(ding)性定(ding)量(liang)的(de)(de)準(zhun)確性,經電離(li)(li)(li)(li)后的(de)(de)各分(fen)子離(li)(li)(li)(li)子進入(ru)垂(chui)直引入(ru)反射式(shi)飛行(xing)時間質(zhi)量(liang)分(fen)析器,不(bu)(bu)同質(zhi)荷比的(de)(de)離(li)(li)(li)(li)子到達檢測器的(de)(de)時間不(bu)(bu)同,從而實現對不(bu)(bu)同物(wu)質(zhi)的(de)(de)定(ding)性定(ding)量(liang)分(fen)析。
Features and advantages
Application case
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