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target="_blank">重金屬分析儀</a></strong>是快速的測定重金屬離子濃度的工具，用來測定以水為主要成份的液體，操作過程方便。重金屬分析儀能夠自動連續監測水體中的金屬離子，廣泛應用于工業生產液流、市政排放污水、河流湖泊、地表水、地下水、飲用水和海水等領域。通過對水樣預處理，可以很好地排除有機物等的干擾，大大提高儀表測試的性和可靠性，實現了水質的預警功能。</div><div>　　重金屬分析儀操作運用過程中要留意的事項：</div><div>　　1、怎么保證取樣的精確性？</div><div>　　在標定試劑時需要取用10m，這樣不但精確、速度快，還能夠避免水滴粘附。取放完畢后應盡量縮短反應池打開時間。</div><div>　　2、在線重金屬分析儀速度該怎么設定？</div><div>　　設定時能夠先快速以盡量縮短實驗時刻，而在接近結尾時應變慢，這樣可進步計量精確度。在池中，因為滴定試劑加入時在局部，與電極不在一處，因此速度盡量以快到不形成湍流。</div><div>　　3、系統密閉問題怎么保證？</div><div>　　試劑液路部分銜接一定要緊固，從試劑瓶到計量泵再到反應池，否則發作試劑走漏將直接影響測驗結果。其不密閉的另一個問題是測驗時因為試劑在實驗中吸收空氣水分，會導致滴定結尾延遲。</div><div>　　<strong>重金屬分析儀</strong>定期維護應從三個方面開始，第一是在線水質監測儀的定期校準，目的是保證儀器在調整和重啟使用時，仍能保持其優良性能，避免因儀器原因導致測量數據不準確；二是儀器的多點線性檢查，基本上，儀器標準曲線的多點線性測試，一般每半年可進行一次，可以保證儀器處于良好的運行狀態；第三天是測試環境對在線水質監測的影響，由于水質監測相對較差，污染會引起傳感器靈敏度的變化，那么，水質在線監測儀器的檢測分析結果有偏差，因此有必要定期監測水質，保持良好狀態。</div></div> <div class="ye">上一篇：<a href="/News-1399490.html">解析TOC在線總有機碳分析儀的六點技術優勢</a> 下一篇：<a href="/News-1396350.html">你了解重金屬分析儀的檢測標準和檢測原理嗎？</a></div> </div>  </div>  </div> </div> 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