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$(document).ready(function(){ var obj = $("#subNav").children("li"); var lid="#page1"; //alert(lid); //$(obj[xid]).removeClass(); $(lid).addClass("hover"); }); </script> <div id="ddfz7lz" class="main_right"> <div id="dphd7vj" class="main_top1"> <p>您的位置：<a href="/">首頁(yè)</a> > <a href="/article.html" title="技術(shù)文章">技術(shù)文章</a> > 深入解析實(shí)驗室溶氧分析儀的工作原理與優(yōu)勢</p> <big>技術(shù)文章</big> </div> <div id="vjp7xvl" class="clear"></div> <div id="b7hbnnn" class="news_top"> <h2>深入解析實(shí)驗室溶氧分析儀的工作原理與優(yōu)勢</h2> <p>更新時(shí)間：2024-05-22 瀏覽次數：<span id="llcs">372</span></p> </div> <div id="9lzrlll" class="news_article" deep="2"><div>　　一、工作原理<br /> </div><div>　　<strong>實(shí)驗室溶氧分析儀</strong>的工作原理主要基于電化學(xué)或光學(xué)原理，用于測量水樣中的溶解氧含量。以下分別介紹這兩種工作原理：<br /> </div><div>　　電化學(xué)原理：<br /> </div><div>　　溶氧分析儀一般采用隔膜電極作為換能器，將溶氧濃度(實(shí)際上是氧分壓)轉換成電信號。<br /> </div><div>　　電解液為鉀溶液，陰極外表面覆蓋一層透氧薄膜，該薄膜可采用聚四氟乙烯、聚氯乙烯、聚乙烯、硅橡膠等透氣材料。<br /> </div><div>　　陰陽(yáng)兩電極之間外加0.5～1.5伏的極化電壓，當溶解氧透過(guò)薄膜到達黃金陰極表面時(shí)，會(huì )發(fā)生還原反應：O2+2H2O+4e→4OHˉ；同時(shí)，陽(yáng)極發(fā)生氧化反應：4Clˉ+4Ag-4e→4AgCl。<br /> </div><div>　　擴散電流i∞與溶氧濃度成正比，通過(guò)測量擴散電流的大小，即可計算出溶解氧的濃度。<br /> </div><div>　　光學(xué)原理：<br /> </div><div>　　溶解氧分析儀利用光學(xué)比色法，基于洛倫茲-玻爾茲曼定理，即氧氣分子在特定波長(cháng)下具有吸收光線(xiàn)的特性。<br /> </div><div>　　分析儀內部包含光源，發(fā)出的光線(xiàn)照射在被測水樣上，水樣中的溶解氧會(huì )吸收特定波長(cháng)的光線(xiàn)。<br /> </div><div>　　通過(guò)檢測水樣中光線(xiàn)的吸收程度，即可計算出溶解氧的濃度。<br /> </div><div>　　二、優(yōu)勢<br /> </div><div>　　實(shí)驗室溶氧分析儀具有以下優(yōu)勢：<br /> </div><div>　　精確度高：采用先進(jìn)的電化學(xué)或光學(xué)原理，能夠準確測量水樣中的溶解氧含量，滿(mǎn)足科研實(shí)驗對精確度的要求。<br /> </div><div>　　穩定性好：儀器內部采用先進(jìn)的電路設計和材料，具有良好的穩定性和可靠性，能夠長(cháng)時(shí)間穩定運行。<br /> </div><div>　　操作簡(jiǎn)便：儀器操作界面友好，操作簡(jiǎn)單方便，用戶(hù)只需按照說(shuō)明書(shū)操作即可輕松完成測量任務(wù)。<br /> </div><div>　　功能豐富：具備自動(dòng)溫度補償、鹽度補償、氣壓補償等功能，能夠消除環(huán)境因素對測量結果的影響，提高測量精度。<br /> </div><div>　　適用范圍廣：適用于各種類(lèi)型的水樣測量，包括淡水、海水、廢水等，具有廣泛的應用前景。<br /> </div><div>　　數據處理能力強：儀器內部配置高性能處理器，能夠實(shí)時(shí)處理測量數據，并具備數據存儲、打印、傳輸等功能，方便用戶(hù)進(jìn)行數據分析和處理。<br /> </div><div>　　綜上所述，<strong>實(shí)驗室溶氧分析儀</strong>具有精確度高、穩定性好、操作簡(jiǎn)便、功能豐富、適用范圍廣和數據處理能力強等優(yōu)勢，是科研實(shí)驗中的重要工具。</div></div> <ul class="news_page"><li><span>(上一篇)</span>：<a href="/ymhb-Article-3699288/">默克COD試劑的主要特點(diǎn)和具體操作步驟</a></li><li><span>(下一篇)</span>：<a href="/ymhb-Article-3695255/">TOXmini便攜式生物毒性分析儀具有較高的靈敏度和檢測精度</a></li></ul> </div> <div id="n7hpjz9" class="clear"></div> </div> <div class="77zbbzz" id="foot"> <div id="p59rjjl" class="beijing"> <p><a href="/">首頁(yè)</a>|<a href="/aboutus.html" rel="nofollow">公司簡(jiǎn)介</a>|<a href="/products.html">產(chǎn)品中心</a>|<a href="/article.html">技術(shù)文章</a>|<a href="/news.html">公司新聞</a>|<a href="/honor.html" rel="nofollow">資質(zhì)證書(shū)</a>|<a href="/contact.html" rel="nofollow">聯(lián)系我們</a>|<a href="/sitemap.xml" target="_blank">GoogleSitemap</a></p> <p>聯(lián)系人：吳小姐郵箱：xmyimai@163.com</p> <p><a target="_blank" rel="nofollow">管理登陸</a> 技術(shù)支持：<a target="_blank" rel="nofollow">化工儀器網(wǎng)</a></p> </div> <div id="ll9tjxz" 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