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<span>在當今的水質(zhì)監測與環(huán)境保護領(lǐng)域，便攜式氨氮快速測定儀以其高效、準確、便攜的特點(diǎn)，成為了水質(zhì)監測工作至關(guān)重要的得力助手。這款儀器廣泛應用于廢水處理、水產(chǎn)養殖、環(huán)境監測、飲用水源保護等多個(gè)領(lǐng)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(jìn)的色譜分析技術(shù)，通過(guò)測量水樣中氨氮的化學(xué)反應和顏色變化來(lái)準確測定其含量。儀器內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(guò)光學(xué)檢測或比色法將測量結果顯示出來(lái)。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(xiàn)氨氮檢測儀的優(yōu)勢與特點(diǎn)</a> <em class="fr">2024-11-27</em> <div id="zlbbrnrv" class="clear"></div> </div> <span>氨氮在線(xiàn)監測儀就是安裝于特定位置的污染源，24小時(shí)連續不間斷地對污染源進(jìn)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(dòng)物性有機物的含氮量一般較植物性有機物為高。同時(shí)，人畜糞便中含氮有機物很不穩定，容易分解成氨。因此，水中氨氮含量增高時(shí)指以氨或銨離子形式存在的化合氨?？梢詫?shí)現對水體中氨氮濃度的高頻率、長(cháng)時(shí)間的全天候監測，可以提供準確可靠的數據支持，為環(huán)境監測與水質(zhì)管理提供了有力的技術(shù)手段。在使用在線(xiàn)氨氮檢測儀時(shí)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(xiàn)氨氮檢測儀原理與特點(diǎn)概括</a> <em class="fr">2024-11-25</em> <div id="zlbbrnrv" 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(dòng)物性有機物的含氮量一般較植物性有機物為高。同時(shí)，人畜糞便中含氮有機物很不穩定，容易分解成氨。因此，水中氨氮含量增高時(shí)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(guò)氨敏電極的疏水膜轉移，造成氨敏電極的電動(dòng)勢的變化，儀器根據電動(dòng)勢的變化測量出氨氮的濃度。優(yōu)勢：在線(xiàn)氨氮檢測儀具有快速、準確、實(shí)時(shí)監測的優(yōu)點(diǎn)。相比傳統的手工檢測方法，它可以大幅度降低人力成本和時(shí)間成本，并且在監測過(guò)...</span> <a href="/Article-3874662.html" class="more">查看更多</a> </li> <li> <div> <a href="/Article-3867359.html" class="tit fl">高效水質(zhì)監測：cod氨氮總磷總氮檢測儀的應用與發(fā)展</a> <em class="fr">2024-11-18</em> <div id="zlbbrnrv" class="clear"></div> </div> <span>水質(zhì)監測是環(huán)境保護和水資源管理中的關(guān)鍵環(huán)節，尤其是對工業(yè)廢水、城市污水和自然水體的實(shí)時(shí)檢測。COD（化學(xué)需氧量）、氨氮、總磷和總氮是評估水質(zhì)污染水平的重要指標，這些指標的準確檢測對于水環(huán)境治理、污染源追溯和污染防治都至關(guān)重要。隨著(zhù)科技的發(fā)展，cod氨氮總磷總氮檢測儀成為水質(zhì)監測領(lǐng)域的先進(jìn)工具，為環(huán)保工作提供了更為精準、高效的檢測手段。一、COD、氨氮、總磷、總氮的檢測意義1.COD（化學(xué)需氧量）：COD是衡量水中有機物污染程度的指標，反映了水體中需氧有機物的總量。COD值越高...</span> <a href="/Article-3867359.html" class="more">查看更多</a> </li> <li> <div> <a href="/Article-3846487.html" class="tit fl">便攜式總磷水質(zhì)測定儀的工作原理</a> <em class="fr">2024-10-27</em> <div id="zlbbrnrv" class="clear"></div> </div> <span>便攜式總磷水質(zhì)測定儀是一種方便快捷的水質(zhì)檢測設備，廣泛應用于環(huán)境監測、水質(zhì)治理和科研領(lǐng)域。其工作原理主要基于化學(xué)分析和光學(xué)技術(shù)，下面將詳細介紹其工作原理。首先，便攜式總磷水質(zhì)測定儀主要通過(guò)化學(xué)方法來(lái)測定水樣中的總磷含量?？偭资且环N重要的水質(zhì)指標，可以反映水體中的富營(yíng)養化程度。在測定過(guò)程中，通常會(huì )使用一種氧化劑（如過(guò)氧化氫）將水樣中的有機磷酸鹽和無(wú)機磷酸鹽氧化為磷酸根離子。然后，通過(guò)加入一種顯色劑（如銨鉬酸銨）將磷酸根離子與銨鉬酸銨反應生成黃色的沉淀物，通過(guò)測定沉淀物的光密度來(lái)...</span> <a href="/Article-3846487.html" class="more">查看更多</a> </li> <li> <div> <a href="/Article-3838385.html" class="tit fl">食品重金屬甲醛測定儀：確保食品安全的守護者</a> <em class="fr">2024-10-20</em> <div id="zlbbrnrv" class="clear"></div> </div> <span>食品安全問(wèn)題一直以來(lái)都是社會(huì )各界關(guān)注的焦點(diǎn)，尤其是重金屬和甲醛等有害物質(zhì)的檢測，關(guān)系到公眾健康。隨著(zhù)人們生活水平的提高，對食品安全的關(guān)注也越來(lái)越強烈。食品重金屬甲醛測定儀作為一種新興的檢測設備，正逐漸成為確保食品安全的重要工具。一、食品重金屬與甲醛的危害重金屬是指在環(huán)境中以金屬形態(tài)存在的元素，如鉛、汞、鎘、砷等。這些重金屬在食品中的積累可能對人體造成嚴重危害。長(cháng)期攝入含重金屬的食品，可能導致中毒、腎損傷、神經(jīng)系統損傷等健康問(wèn)題。尤其是對兒童和孕婦來(lái)說(shuō)，重金屬的影響更加顯著(zhù)，可...</span> <a href="/Article-3838385.html" class="more">查看更多</a> </li> <li> <div> <a href="/Article-3832271.html" class="tit fl">COD測定操作規程簡(jiǎn)介說(shuō)明</a> <em class="fr">2024-10-14</em> <div id="zlbbrnrv" class="clear"></div> </div> <span>一、試驗方法1.shou要儀器與試劑除非還有闡明，試驗時(shí)所用試劑均為符和*家規范的剖析純試劑，試驗用水均為蒸餾水或平等純度的水1.1硫酸銀（Ag2SO4）,化學(xué)純。1.2硫酸汞（HgSO4）.化學(xué)純。1.3硫酸（H2SO4）,ρ=1.84mg/ml1.4硫酸銀-硫酸試劑：向1L硫酸（1.3）中參加10g硫酸銀（1.1），放置1—2天使之溶解，并混勻，運用前小心搖擺。1.5重鉻酸鉀規范溶液;1.5.1濃度為C(1/6K2Cr2O7)=0.250mol/L的重鉻酸鉀規范溶液：將1...</span> <a href="/Article-3832271.html" class="more">查看更多</a> </li> <div id="zlbbrnrv" class="clear"></div> </ul> </div> <div class="zlbbrnrv" id="fengye">共 983 條記錄，當前 2 / 123 頁(yè) <a href="/article-p1.html">首頁(yè)</a> <a href="/article-p1.html">上一頁(yè)</a> <a href="/article-p3.html">下一頁(yè)</a> <a href="/article-p123.html">末頁(yè)</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(yè) <input type="button" value="GO" style="width:40px;height:22px" onclick="window.location='/article-p'+document.getElementById('custompage').value;" 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