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<script src="http://www.chem17.com/mystat.aspx?u=suijinghuanbao"></script>  <div id="trkh4jg" class="ly_crumb"> <img src="/skins/425871/images/crumb_icon.png" /><p>當前位置：<a href="/">首頁</a> > <a href="/news.html">新聞中心</a> > <span>便攜式總磷水質測定儀的原理與應用</span></p> </div>   <div id="trkh4jg" class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">便攜式總磷水質測定儀的原理與應用</h1> <div id="trkh4jg" class="NyNewsdetail_tips">更新時間：2025-01-17 點擊次數(shù)：57</div> <div id="trkh4jg" class="NyNewsdetail_con"> <div>　　水質安全是環(huán)境保護和公共衛(wèi)生領域的重要議題，而總磷含量的測定是衡量水質狀況的關鍵指標之一。便攜式總磷水質測定儀作為一種高效、便捷的檢測工具，其工作原理和應用價值備受關注。</div><div>　　<strong><a href="http://www.mdeybem.cn/Products-36747798.html" target="_blank">便攜式總磷水質測定儀</a></strong>的工作原理主要基于紫外分光光度法或鉬酸銨分光光度法。以紫外分光光度法為例，該儀器通過特定波長的紫外光源照射水樣與試劑的混合物，測量樣品光線的吸光度，從而推算出樣品中總磷的含量。具體步驟如下：首先，取一定體積的水樣，加入預處理液體中，使溶液中的磷均勻分散；然后，加入試劑，使溶液中的總磷與試劑發(fā)生特定反應，生成具有特定光學性質的化合物；接著，將反應后的溶液注入測定儀的測量池中；通過紫外光源照射測量池中的樣品，測量其在一定波長范圍內的吸光度；最后，根據(jù)吸光度值與總磷含量的對應關系，計算出樣品中總磷的濃度。</div><div>　　鉬酸銨分光光度法則是基于GB11893標準研發(fā)設計的。該方法利用消解管密閉消解，以過硫酸鉀為氧化劑，在高溫條件下將樣品中的含磷化合物全部轉化為磷酸根。在酸性條件下，磷酸根與鉬酸銨、酒石酸銻氧鉀反應，生成磷鉬雜多酸，再被還原劑抗壞血酸還原為藍色的絡合物。通過測量該絡合物的吸光度，同樣可以計算出樣品中總磷的含量。</div><div>　　便攜式總磷水質測定儀具有操作簡便、檢測速度快、準確度高、適用范圍廣等優(yōu)點。它廣泛應用于水質監(jiān)測、環(huán)境保護、污水處理、水產養(yǎng)殖等領域，為水質安全提供了有力的技術保障。通過定期檢測水質中的總磷含量，可以及時發(fā)現(xiàn)并處理水質污染問題，保護水資源和生態(tài)環(huán)境。<br /> </div><p style="text-align: center;"><img src="https://img52.chem17.com/9/20250114/638724768996812993451.jpg" width="650" height="650" align="middle" alt="" /></p><p> </p><div>　　綜上所述，便攜式總磷水質測定儀以其特殊的工作原理和廣泛的應用價值，在水質安全監(jiān)測中發(fā)揮著重要作用。隨著技術的不斷進步和應用領域的不斷拓展，它將在未來水質監(jiān)測領域發(fā)揮更加重要的作用。</div> <div id="trkh4jg" class="ly_PrevNext"> <ul> 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