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<p>COD水質在線分析儀采用重鉻酸鉀奉重鉻酸鉀氧化分光分度法，用于在線自動測量廢水中的化學需氧量。高溫消解重鉻酸鉀、硫酸銀溶液及濃硫酸混合水樣，經過高溫消解后，測定水樣中的重鉻酸鉀被還原產生的三價鉻的吸光度，該三價鉻的吸光度值的增加值與COD值成正比關系，通過公式計算將三價鉻的吸光度換算成COD值。</p><p>下面我們來看看使用COD在線自動監(jiān)測儀之前要做哪些準備工作！</p><p>1、通電啟動</p><p>2.連接電源并打開比色系統(tǒng)電源開關；</p><p>3.正常登錄儀器出現公司LOGO，然后點擊登錄管理員后臺，恢復出廠設置。</p><p>4.設置參數</p><p>5.給每個管路進行灌注蒸餾水，檢查管路的氣密性，</p><p>6.校正儀器曲線、LED校正。</p><p>7.觀察儀器的加熱功能是否正常、散熱功能是否正常。</p><p>7.儀器分析完數據后，比色的廢液應當A全處理，防止溢流。</p><p><br/></p> </div> <div id="wowgyyywegmg" class="ly_PrevNext"> <ul> <li>上一篇：<a href="/Article-3162903.html">儀器的調試流程是什么樣的</a></li> <li>下一篇：<a href="/Article-3161202.html">如何選擇COD水質在線分析儀</a></li> </ul> </div> </div>   <div id="wowgyyywegmg" class="ly_foot"> <div id="wowgyyywegmg" class="ly_Ftmain"> <div id="wowgyyywegmg" class="ly_FtLeft"> <div id="wowgyyywegmg" class="Ft_nav"><a href="/">首頁</a><a href="/aboutus.html" target="_blank" rel="nofollow">關于我們</a><a href="/products.html" target="_blank">產品展示</a><a href="/news.html" target="_blank">新聞中心</a><a href="/article.html" 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