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<span>COD測定儀是一種用于測定水中化學需氧量(COD)的儀器，其功能：快速準確測定：能夠快速、準確地測定水樣中的化學需氧量，為水質(zhì)監(jiān)測提供重要的數(shù)據(jù)支持。一般可在幾分鐘到幾十分鐘內(nèi)完成一次測定，相比傳統(tǒng)的化學分析方法，大大提高了工作效率。數(shù)據(jù)記錄與存儲：可以記錄和存儲每次測定的數(shù)據(jù)，方便用戶隨時查詢和管理。一些COD測定儀還具備數(shù)據(jù)打印功能，可直接打印出測定結果，便于實驗報告的生成和存檔。多種測量模式：部分COD測定儀具備多種測量模式，以適應不同類型水樣和測量范圍的需求。例如，可...</span> <a href="/Article-3981764.html" class="more">查看更多</a> </li> <li> <div> <a href="/Article-3953549.html" class="tit fl">便攜式COD測定儀的功能與原理</a> <em class="fr">2025-02-28</em> <div id="xc40tpzlmh" class="clear"></div> </div> <span>功能快速測定：便攜式COD測定儀采用先進的技術，能夠在短時間內(nèi)完成水樣的消解和比色測定，通常只需幾分鐘即可得出結果。便攜性：設備體積小巧，重量輕，便于攜帶和操作，適合野外現(xiàn)場使用。自動化操作：儀器能夠自動完成樣品的取樣、消解、反應和測量過程，減少人為誤差，提高檢測效率。數(shù)據(jù)存儲與傳輸：具備大容量數(shù)據(jù)存儲功能，可保存大量測量數(shù)據(jù)，并支持數(shù)據(jù)傳輸和打印，方便后續(xù)分析和管理。多參數(shù)檢測：部分型號支持多參數(shù)水質(zhì)檢測，如溫度、pH值等，滿足不同場景的需求。智能提醒與校準：具備自動校準、...</span> <a href="/Article-3953549.html" class="more">查看更多</a> </li> <li> <div> <a href="/Article-3950286.html" class="tit fl">GNST-001S余氯測定儀的優(yōu)勢及參數(shù)</a> <em class="fr">2025-02-25</em> <div id="xc40tpzlmh" class="clear"></div> </div> <span>優(yōu)勢：高精度與高分辨率：采用光電子比色檢測原理，測量精度為±5%，測量下限為0.01mg/L，能夠準確測定水中的余氯含量。快速檢測：僅需2分鐘即可完成一次測量，適合現(xiàn)場快速檢測。數(shù)據(jù)處理與存儲：內(nèi)置數(shù)據(jù)自動平滑處理技術，確保測量結果的準確性，并支持數(shù)據(jù)存儲和查詢。耐腐蝕設計：采用耐腐蝕組合比色池，適用于各種水質(zhì)環(huán)境。便攜性：儀器體積小、重量輕，攜帶方便，適合戶外使用。參數(shù)：余氯：0-3mg/L、0-10mg/L、0-20mg/L(可選)?？偮龋?-3mg/L、0...</span> <a href="/Article-3950286.html" class="more">查看更多</a> </li> <li> <div> <a href="/Article-3920769.html" class="tit fl">農(nóng)藥殘留測定儀的使用技巧</a> <em class="fr">2025-01-14</em> <div id="xc40tpzlmh" class="clear"></div> </div> <span>農(nóng)藥殘留測定儀在農(nóng)產(chǎn)品安全檢測中扮演著至關重要的角色。為了確保檢測的準確性和高效性，掌握農(nóng)藥殘留測定儀的使用技巧至關重要。以下是一些關鍵的使用技巧，旨在幫助用戶更好地利用這一工具。首先，熟悉儀器使用說明書是前提。在使用農(nóng)藥殘留測定儀之前，用戶應仔細閱讀儀器使用說明書，了解儀器的結構、工作原理、操作步驟及注意事項。這有助于避免因操作不當而導致的誤差或儀器損壞。其次，正確制備樣品和試劑是關鍵。樣品的處理直接影響到檢測結果的準確性。用戶應根據(jù)樣品類型和數(shù)量，選擇合適的提取液、緩沖液...</span> <a href="/Article-3920769.html" class="more">查看更多</a> </li> <li> <div> <a href="/Article-3908273.html" class="tit fl">GNST-900S總氮測定儀的意義和測定原理</a> <em class="fr">2024-12-31</em> <div id="xc40tpzlmh" class="clear"></div> </div> <span>總氮包括溶液中所有含氮化合物，即亞硝酸鹽氮、硝酸鹽氮、無機鹽氮、溶解態(tài)氮及大部分有機含氮化合物中的氮的總和?？偟欠从乘w富營養(yǎng)化的主要指標。太湖水污染事件的發(fā)生，讓監(jiān)管部門重新認識到了總氮的危害性。掌握總氮排放量、分布狀況以及主要來源，對控制水體富營養(yǎng)化、改善水質(zhì)具有十分重要的意義。樣品預處理：根據(jù)分析要求，可能需要對水樣進行過濾、酸化或堿化等處理步驟，以去除干擾物質(zhì)并保證結果的準確性。消解處理：將水樣中的有機氮轉化為可測量的形式，這通常通過化學消解實現(xiàn)，即在高溫高壓條件下...</span> <a href="/Article-3908273.html" class="more">查看更多</a> </li> <li> <div> <a href="/Article-3900248.html" class="tit fl">便攜式氨氮快速測定儀：水質(zhì)監(jiān)測的得力助手</a> <em class="fr">2024-12-21</em> <div id="xc40tpzlmh" class="clear"></div> </div> <span>在當今的水質(zhì)監(jiān)測與環(huán)境保護領域，便攜式氨氮快速測定儀以其高效、準確、便攜的特點，成為了水質(zhì)監(jiān)測工作至關重要的得力助手。這款儀器廣泛應用于廢水處理、水產(chǎn)養(yǎng)殖、環(huán)境監(jiān)測、飲用水源保護等多個領域，為科研人員、環(huán)保工作者及企業(yè)提供了極大的便利。便攜式氨氮快速測定儀的工作原理基于先進的色譜分析技術，通過測量水樣中氨氮的化學反應和顏色變化來準確測定其含量。儀器內(nèi)部配備有離子選擇性電極或試劑盒，能夠快速響應水樣中的氨氮成分，并通過光學檢測或比色法將測量結果顯示出來。其測量范圍廣泛，從0.0...</span> <a href="/Article-3900248.html" class="more">查看更多</a> </li> <li> <div> <a href="/Article-3877779.html" class="tit fl">在線氨氮檢測儀的優(yōu)勢與特點</a> <em class="fr">2024-11-27</em> <div id="xc40tpzlmh" class="clear"></div> </div> <span>氨氮在線監(jiān)測儀就是安裝于特定位置的污染源，24小時連續(xù)不間斷地對污染源進行氨氮分析的儀器。氨氮是指水中以游離氨(NH3)和銨離子(NH4)形式存在的氮。動物性有機物的含氮量一般較植物性有機物為高。同時，人畜糞便中含氮有機物很不穩(wěn)定，容易分解成氨。因此，水中氨氮含量增高時指以氨或銨離子形式存在的化合氨?？梢詫崿F(xiàn)對水體中氨氮濃度的高頻率、長時間的全天候監(jiān)測，可以提供準確可靠的數(shù)據(jù)支持，為環(huán)境監(jiān)測與水質(zhì)管理提供了有力的技術手段。在使用在線氨氮檢測儀時需要注意一些事項。首先，使用前應...</span> <a href="/Article-3877779.html" class="more">查看更多</a> </li> <li> <div> <a href="/Article-3874662.html" class="tit fl">在線氨氮檢測儀原理與特點概括</a> <em class="fr">2024-11-25</em> <div id="xc40tpzlmh" class="clear"></div> </div> <span>氨氮是指水中以游離氨(NH3)和銨離子(NH4)形式存在的氮。動物性有機物的含氮量一般較植物性有機物為高。同時，人畜糞便中含氮有機物很不穩(wěn)定，容易分解成氨。因此，水中氨氮含量增高時指以氨或銨離子形式存在的化合氨。原理：在pH值大于11的環(huán)境下，銨根離子向氨轉變，氨通過氨敏電極的疏水膜轉移，造成氨敏電極的電動勢的變化，儀器根據(jù)電動勢的變化測量出氨氮的濃度。優(yōu)勢：在線氨氮檢測儀具有快速、準確、實時監(jiān)測的優(yōu)點。相比傳統(tǒng)的手工檢測方法，它可以大幅度降低人力成本和時間成本，并且在監(jiān)測過...</span> <a href="/Article-3874662.html" class="more">查看更多</a> </li> <div id="xc40tpzlmh" class="clear"></div> </ul> </div> <div class="xc40tpzlmh" id="fengye">共 979 條記錄，當前 1 / 123 頁首頁上一頁 <a href="/article-p2.html">下一頁</a> <a href="/article-p123.html">末頁</a> 跳轉到第<input style="width:20px" class="p_input" type="text" name="custompage" id="custompage" onkeypress="return event.keyCode>=48&&event.keyCode<=57" onKeyDown="if(event.keyCode==13) {window.location='/article-p'+this.value; return false;}">頁 <input type="button" value="GO" style="width:40px;height:22px" 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