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href="/article.html">技術(shù)文章</a> > <span>COD測定儀的儀器的詳細(xì)說明</span></p> </div>   <div id="3tzm5vv4jmr" class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">COD測定儀的儀器的詳細(xì)說明</h1> <div id="3tzm5vv4jmr" class="NyNewsdetail_tips">更新時間：2023-06-30 點(diǎn)擊次數(shù)：872</div> <div id="3tzm5vv4jmr" class="NyNewsdetail_con"> <p>COD測定儀是一種化學(xué)儀器,用來檢測COD類化學(xué)品.</p><p>COD是化學(xué)需氧量（chemical　oxygen　demand）的簡稱，是利用化學(xué)氧化劑（如高錳酸鉀）將水中可氧化物質(zhì)（如有機(jī)物、亞硝酸鹽、亞鐵鹽、硫化物等）氧化分解，然后根據(jù)殘留的氧化劑的量計(jì)算出氧的消耗量。它和生化需氧量（BOD）一樣，是表示水質(zhì)污染度的重要指標(biāo)。COD的單位為ppm或毫克／升，其值越小，說明水質(zhì)污染程度越輕。</p><p>cod測定儀是有**的消解器和專用的比色計(jì)組成，具有自動控制溫度、計(jì)時調(diào)零、線性回歸、曲線存儲和數(shù)據(jù)打印功能，穩(wěn)定性好，準(zhǔn)確性高，測定范圍廣，而且在實(shí)用性方便比以前的cod測定儀都有很大的改進(jìn)。</p><p>COD測定儀特點(diǎn)</p><p>(01) 快速、準(zhǔn)確測定地表水、中水、城市污水及工業(yè)廢水中化學(xué)需氧量，濃度直讀；</p><p>(02) 冷光源、窄帶干涉、光源壽命10萬小時；</p><p>(03) 同時支持比色皿比色和比色管比色兩種方式；</p><p>(04) 支持歷史數(shù)據(jù)存儲，能存儲 4000個數(shù)據(jù)(日期、時間、參數(shù)、測定結(jié)果)；</p><p>(05) 內(nèi)存5條標(biāo)準(zhǔn)曲線綠倍7，無需調(diào)節(jié)，可直接使用，94條擴(kuò)展曲線可在不同人員、不同環(huán)境、不同廢水等條件下自由應(yīng)用；</p><p>(06) 支持曲線自動校正并自動保存</p><p>COD測定儀是為實(shí)驗(yàn)室設(shè)計(jì)制造的一款測定水中COD含量的儀器，COD測定儀分在線COD測定儀和實(shí)驗(yàn)室COD測定儀，一般來說，實(shí)驗(yàn)室測定COD的儀器被稱作COD測定儀，而在線的被稱為COD分析儀。</p><p>實(shí)驗(yàn)室：實(shí)驗(yàn)室COD測定儀，一般是現(xiàn)場采樣，然后拿到實(shí)驗(yàn)室進(jìn)行抽樣檢測，如：“TR-108型COD測定儀"。也有那種便攜式的COD測定儀，一般用在中小型企業(yè)，也適合污水處理廠在對污水處理時測定使用，有興趣的話可以去搜索一下。</p><p>在線：在線COD測定儀，一般是安裝在污水處理現(xiàn)場的，按照儀器測定周期（cod測定儀每測定一個樣大概半小時左右）對污水進(jìn)行自動取樣測定，將測定數(shù)據(jù)實(shí)時上傳到電腦監(jiān)控端和國家環(huán)保有關(guān)部門，起到實(shí)時監(jiān)測的作用。 </p><p><br/></p> </div> <div id="3tzm5vv4jmr" class="ly_PrevNext"> <ul> <li>上一篇：<a href="/Article-3406556.html">COD測定儀百科介紹</a></li> <li>下一篇：<a href="/Article-3397965.html">便攜式COD快速檢測儀是一款簡便、高效的水污染監(jiān)測利器</a></li> </ul> </div> </div>   <div id="3tzm5vv4jmr" class="ly_foot"> <div id="3tzm5vv4jmr" class="ly_Ftmain"> <div id="3tzm5vv4jmr" class="ly_FtLeft"> <div id="3tzm5vv4jmr" class="Ft_nav"><a 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