久久97超碰色中文字幕总站_氨氮速測儀在使用過(guò)程中會(huì )出現的問(wèn)題和解決方法-青島尚德環(huán)?？萍加邢薰?/title> <link rel="stylesheet" type="text/css" href="/skins/342860/css/style.css"> <link rel="stylesheet" type="text/css" href="/skins/342860/css/swiper-bundle.min.css"> <script type="text/javascript" src="/skins/342860/js/jquery.min.js"></script> <link rel="shortcut icon" href="/skins/342860/favicon.ico" />  <script type="text/javascript"> document.addEventListener("touchstart", function () { }, true); </script>  <script language="javascript" type="text/javascript"> var nav= '5'; </script>  <script type="application/ld+json"> { "@context": "https://ziyuan.baidu.com/contexts/cambrian.jsonld", "@id": "http://www.zhixiaoxie.cn/Article-1902714.html", "title": "氨氮速測儀在使用過(guò)程中會(huì )出現的問(wèn)題和解決方法", "pubDate": "2019-07-17T09:21:17", "upDate": "2019-07-17T09:21:17" }</script> <script language="javaScript" src="/js/JSChat.js"></script><script language="javaScript">function ChatBoxClickGXH() { 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)出現的問(wèn)題和解決方法</span></p> </div>   <div id="bd8lmiie" class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">氨氮速測儀在使用過(guò)程中會(huì )出現的問(wèn)題和解決方法</h1> <div id="bd8lmiie" class="NyNewsdetail_tips">更新時(shí)間：2019-07-17 點(diǎn)擊次數：1732</div> <div id="bd8lmiie" class="NyNewsdetail_con"> <p style="text-align:center"><strong><span style="font-size:10.5pt"><span style="font-family:宋體">氨氮速測儀在使用過(guò)程中應注意的地方</span></span></strong></p><p style="text-align:justify"> </p><p style="text-align:justify"> </p><p><span style="font-size:10.5000pt"><span style="font-family:宋體"> 水中的基本四個(gè)檢測指標為COD，氨氮，總磷和總氮。這是一般企業(yè)常規的四大檢測項目，上文中我們已經(jīng)講解了COD在使用過(guò)程中應該注意的地方，此文中，我們再來(lái)詳細講解一下氨氮速測儀在使用過(guò)程中應該注意的地方。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體"> 一、注意事項</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體"> 1.將SN-200系列的水質(zhì)多參數檢測儀取出，</span></span><strong><span style="font-size:10.5pt"><span style="font-family:宋體">小心拿取隨機贈送的試劑</span></span></strong><span style="font-size:10.5000pt"><span style="font-family:宋體">。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體"> 2.請注意，除非特殊說(shuō)明，氨氮檢測中所需要的水均為無(wú)氨水。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">1</span></span><span style="font-size:10.5000pt"><span style="font-family:calibri">></span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">簡(jiǎn)單快捷的方式獲得無(wú)氨水為：市場(chǎng)上購買(mǎi)。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體">2</span></span><span style="font-size:10.5000pt"><span style="font-family:calibri">></span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">用全玻璃的蒸餾設備制取。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體"> 3.</span></span><span style="font-size:10.5000pt"><span style="font-family:calibri">N2—KH</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">試劑為劇毒物質(zhì)，</span></span><strong><span style="font-size:10.5pt"><span style="font-family:宋體">避免經(jīng)皮膚和口腔接觸</span></span></strong><span style="font-size:10.5000pt"><span style="font-family:宋體">。</span></span></p><p> <span style="font-size:10.5000pt"><span style="font-family:宋體"> 4.</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">整瓶試劑只能一次性配制，禁止將整瓶試劑分開(kāi)配制或稱(chēng)量后分批次配制。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體"> 5.</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">試劑配置過(guò)程必須由化學(xué)專(zhuān)業(yè)人員進(jìn)行操作，避免使用和操作事故發(fā)生。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體"> 6.</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">試劑開(kāi)封后禁止長(cháng)時(shí)間放置，應盡快使用。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體"> 7.</span></span><span style="font-size:10.5000pt"><span style="font-family:宋體">試劑要按照儲藏要求存放，禁止將不同批次試劑混合使用。</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體"> 二、干擾物質(zhì)和解決辦法</span></span></p><p><span style="font-size:10.5000pt"><span style="font-family:宋體"> 1.</span></span><span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:宋體">水樣中含有懸浮物、余氯、鈣鎂等金屬離子</span></span></span><span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:宋體">。</span></span></span></p><p><span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:宋體"> 2.</span></span></span><span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:宋體">硫化物和有機物時(shí)會(huì )產(chǎn)生干擾，含有此類(lèi)物質(zhì)時(shí)要作適當處理，以消除對測定的影響。</span></span></span></p><p><span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:宋體"> 3.</span></span></span><span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:宋體">存在余氯，可加入適量的</span></span></span><strong><span style="font-size:10.5pt"><span style="color:#000000"><span style="font-family:宋體">硫代硫酸鈉溶液去除</span></span></span></strong><span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:宋體">，用</span></span></span><strong><span style="font-size:10.5pt"><span style="color:#000000"><span style="font-family:宋體">淀粉</span></span></span></strong><strong><span style="font-size:10.5pt"><span style="color:#000000"><span style="font-family:calibri">-</span></span></span></strong><strong><span style="font-size:10.5pt"><span style="color:#000000"><span style="font-family:宋體">碘化鉀</span></span></span></strong><span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:宋體">試紙檢驗余氯是否除盡。若水樣渾濁或有顏色時(shí)可用</span></span></span><strong><span style="font-size:10.5pt"><span style="color:#000000"><span style="font-family:宋體">預蒸餾法</span></span></span></strong><span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:宋體">或</span></span></span><strong><span style="font-size:10.5pt"><span style="color:#000000"><span style="font-family:宋體">絮凝沉淀法</span></span></span></strong><span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:宋體">處理。</span></span></span><span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:宋體">（預蒸餾法和絮凝沉淀法請自行百度或者查看相關(guān)書(shū)籍獲取流程。）</span></span></span></p><p><span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:宋體"> 氨氮是不需要消解，可直接進(jìn)行檢測的，所以操作流程相對于別的參數來(lái)說(shuō)，要簡(jiǎn)單一些，主要注意點(diǎn)為操作嚴格，量取準確即可。</span></span></span></p><p><span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:宋體"> 所有的化學(xué)試劑盡量不要與皮膚和口腔接觸，請操作的時(shí)候一定要加倍小心。</span></span></span></p><p><span style="font-size:10.5000pt"><span style="color:#000000"><span style="font-family:宋體"> 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