總氮、硝態氮、氨氮的檢測方法是什么？干擾離子分別是什么？總氮和硝態氮檢測方法的區別在哪里？-蘇州湛清環?？萍加邢薰?/title> <meta name="keywords" content="廢水總氮,廢水硝氮,總氮超標"/> <meta name="description" content="Answer:a)總氮：采用過硫酸鉀消解-紫外分光光度法；主要的干擾是過硫酸鉀藥劑是否被部分氧化，消解不充分，消解不充分會導致值偏高，過硫酸鉀失效導致值偏低；b)硝態氮：采用紫外分光光度法；和總氮可以用同一條標線進行測量。硝態氮檢測..."/> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"> <link rel="shortcut icon" type="image/x-icon" href="http://www.sieuthikid.com/data/images/other/20190218103955_335.png"/>  <link rel="stylesheet" href="http://www.sieuthikid.com/template/default/style/plug.min.css"> <link rel="stylesheet" href="http://www.sieuthikid.com/template/default/style/app.css"> <link rel="stylesheet" href="http://www.sieuthikid.com/template/default/style/main.css">   <script src="http://www.sieuthikid.com/template/default/js/plug.min.js"></script> <script src="http://www.sieuthikid.com/template/default/js/app.js"></script> <script 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</div> </div>   <div class="xypg-wrap"> <div class="container"> <div class="row"> <div class="col-lg-9 col-md-8 col-sm-12"> <div class="xypg-right"> <div class="xypg-right-content">  <div class="xypg-news-detail"> <h1 class="xypg-detail-title">總氮、硝態氮、氨氮的檢測方法是什么？干擾離子分別是什么？總氮和硝態氮檢測方法的區別在哪里？</h1> <div class="xypg-detail-info-bar"> <div class="detail-info-time"><i class="iconfont icon-shijian"></i>2018-12-26</div> <div class="detail-info-numbers"><i class="iconfont icon-chakan"></i><script src="http://www.sieuthikid.com/data/include/newshits.php?id=701"></script>次</div> <div class="detail-info-author">來源：</div> </div> <div class="xypg-detail-con"><p style="line-height: 2em;"><span style="font-size: 20px;"><strong>Answer:</strong></span></p><p style="line-height: 2em;"> a) <strong> <a href='http://www.sieuthikid.com/' target='_blank' class='key_tag'><font color=#f00f00><strong>總氮</strong></font></a>：</strong>采用過硫酸鉀消解-紫外分光光度法；主要的干擾是過硫酸鉀藥劑是否被部分氧化，消解不充分，消解不充分會導致值偏高，過硫酸鉀失效導致值偏低；</p><p style="line-height: 2em;"> b) <strong> 硝態氮：</strong>采用紫外分光光度法；和總氮可以用同一條標線進行測量。硝態氮檢測時候，不加入過硫酸鉀，不消解，只加入鹽酸，然后用總氮標線測量。</p><p style="line-height: 2em;"> c) <strong> 氨氮：</strong>采用鈉氏試劑分光光度法；鈉氏試劑里面有硫酸汞，水樣中如果有絡合劑，如三乙醇胺，乙二胺、EDTA 等等，可能產生白色渾濁，干擾測量；另外水中鈣鎂離子濃度高，會和酒石酸鉀鈉反應器生產透明片狀的沉淀；</p><p style="line-height: 2em;"> <strong>離子色譜</strong>可以測定硝態氮和氨氮，分別采用陰離子交換樹脂和陽離子交換樹脂。該方法穩定可靠性強，但是設備投資比較大。</p><p> </p></div> <div class="xypg-detail-tags"> <div class="tags-title"> <h3>標簽</h3> </div> <div class="tags-content"><a href="http://www.sieuthikid.com/tag/%E5%BA%9F%E6%B0%B4%E6%80%BB%E6%B0%AE">廢水總氮</a>,<a href="http://www.sieuthikid.com/tag/%E5%BA%9F%E6%B0%B4%E7%A1%9D%E6%B0%AE">廢水硝氮</a>,<a href="http://www.sieuthikid.com/tag/%E6%80%BB%E6%B0%AE%E8%B6%85%E6%A0%87">總氮超標</a></div> </div> <div class="xypg-detail-pn"> <div><b>上一篇：</b><a href="http://www.sieuthikid.com/news/700.html">目前總氮的排放標準？演變趨勢？</a><span>2018-12-26</span></div> <div><b>下一篇：</b><a 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