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style="margin-left:21pt"><span style="font-size:16px"><span style="font-family:黑體"><span style="color:#FFA500"><span style="background-color:rgb(255, 255, 255)">青島景弘環(huán)?？萍加邢薰綣H-TC200型COD快速測定儀</span></span><span style="background-color:rgb(255, 255, 255); color:rgb(51, 51, 51)">由COD主機(jī)和消解器組成，具有自動控溫、計時、調(diào)零、線性回歸、曲線儲存和數(shù)據(jù)打印等功能。由于測定過程使用強(qiáng)氧化劑，腐蝕性較強(qiáng)，稍有不慎對儀器和氧化劑輸送系統(tǒng)會造成嚴(yán)重腐蝕，為此我們采用了自動氣壓進(jìn)樣方式進(jìn)行分析而避免了可能發(fā)生的腐蝕現(xiàn)象。</span>JH-TC200型COD快速測定儀</span><span style="font-family:黑體"><span style="background-color:rgb(255, 255, 255); color:rgb(51, 51, 51)">可廣泛用于環(huán)境保護(hù)、科研監(jiān)測、生產(chǎn)監(jiān)測等領(lǐng)域，是環(huán)境監(jiān)測與控制的儀器。</span></span></span></p><p style="margin-left:21pt"><span style="font-size:16px"><span style="font-family:黑體"><img alt="" src="http://img49.chem17.com/9/20181011/636748502043606397753.jpg" style="height:222px; width:800px" /></span></span></p><p style="margin-left:21pt"><span style="font-size:16px"><span style="font-family:黑體"><strong>快速消解法COD測定儀的使用方法及保養(yǎng)維護(hù)</strong>注意事項：</span></span></p><p style="margin-left:21pt"><span style="font-size:16px"><span style="font-family:黑體"><em>Ø </em>JH-TC200型COD快速測定儀<em>應(yīng)放置在平穩(wěn)的工作臺上測定；</em></span></span></p><p style="margin-left:21pt"><span style="font-size:16px"><span style="font-family:黑體"><em>Ø 試樣如果有懸浮物或者雜質(zhì)，必須使其沉淀或離心機(jī)離心，取上清液測定；</em></span></span></p><p style="margin-left:21pt"><span style="font-size:16px"><span style="font-family:黑體"><em>Ø 消解系統(tǒng)應(yīng)提前開啟進(jìn)行升溫，到達(dá)設(shè)定溫度后再使用；</em></span></span></p><p style="margin-left:21pt"><span style="font-size:16px"><span style="font-family:黑體"><em>Ø 水樣預(yù)處理及比色過程各個環(huán)節(jié)，應(yīng)該連續(xù)、緊湊完成；</em></span></span></p><p style="margin-left:21pt"><span style="font-size:16px"><span style="font-family:黑體"><em>Ø 溶液比色時比色皿外壁必須保持清潔干凈，不能有溶液、污漬或水痕存在；</em></span></span></p><p style="margin-left:21pt"><span style="font-size:16px"><span style="font-family:黑體"><em>Ø 比色時需注意：禁止將比色溶液粘到測定儀的比色槽上或灑到比色槽中；</em></span></span></p><p style="margin-left:21pt"><span style="font-size:16px"><span style="font-family:黑體"><em>Ø 不要對已經(jīng)完成比色的樣品反復(fù)進(jìn)行比色測定。</em></span></span></p><p style="margin-left:21pt"><span style="font-size:16px"><span style="font-family:黑體"><em><img alt="" src="http://img49.chem17.com/9/20181011/636748502301486051724.jpg" style="height:968px; width:800px" /></em></span></span></p><p style="margin-left:21pt"><span style="font-size:16px"><span style="font-family:黑體"><strong>快速消解法COD測定儀的使用方法及保養(yǎng)維護(hù) </strong></span></span></p><p style="margin-left:21pt"> </p><h3><span style="font-size:16px"><span style="font-family:黑體">JH-TC200型COD快速測定儀<strong>儀器的性能參數(shù)</strong></span></span></h3><p><span style="font-size:16px"><span style="font-family:黑體">① 測定方法：快速催化法（鉻法）； </span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">② COD高低量程雙波長測定：5～150mg/L低波長；100～10000mg/L,高波長；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">③ 測定范圍：5 ～10000 mg/L（＞1000 mg/L時分段測定，超量程可稀釋測量）； </span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">④ 測量誤差：5～100 mg/L，誤差≤±5 mg/L；100 mg/L-10000 mg/L，相對誤差≤±5 %；</span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">⑤ 消解溫度：165 ± 1℃；消解時間：15分鐘； </span></span></p><p><span style="font-size:16px"><span style="font-family:黑體">⑥ 抗氯干擾：[CL<sup>-</sup>] ＜1000mg/ L。</span></span><span style="display:none"> </span></p><p><span style="font-size:16px"><img alt="" src="http://img49.chem17.com/9/20181011/636748502521457462182.jpg" style="height:600px; width:800px" /></span></p><h3><span style="font-family:黑體; font-size:16px">初步判定水樣COD濃度的方法：</span></h3><p><span style="font-size:16px"><span style="font-family:黑體">反應(yīng)管中加入水樣2.5mL，再加入C1試劑0.7ml，加入C2試劑4.8ml，然后搖勻，在165℃±2℃加熱5min，檢查管內(nèi)溶液是否呈現(xiàn)綠色，如變綠應(yīng)重新稀釋后再進(jìn)行測定。應(yīng)將待測水樣在攪拌均勻時取樣稀釋，一般取被稀釋的原水樣不少于10mL，如果稀釋倍數(shù)超過10倍則原水樣應(yīng)進(jìn)行逐次稀釋。</span></span></p><p> </p> </div> <ul class="news_page"> <li><span>(上一篇)</span>：<a href="/Article-1655582.html">BOD快速測定儀和BOD5測定儀區(qū)別與選擇</a></li><li><span>(下一篇)</span>：沒有了</li> </ul> </div> <div id="eoskoy0kygyw" class="clear"></div> </div> <footer> <div id="eoskoy0kygyw" class="beijing"> <p><a href="/">首頁</a>|<a href="/aboutus.html" rel="nofollow">公司簡介</a>|<a href="/honor.html" rel="nofollow">資質(zhì)證書</a>|<a href="/products.html">產(chǎn)品中心</a>|<a href="/article.html">技術(shù)文章</a>|<a href="/news.html">公司新聞</a>|<a href="/contact.html" rel="nofollow">聯(lián)系我們</a>|<A href="/sitemap.xml" target="_blank">GoogleSitemap</A></p> <p>聯(lián)系人：王經(jīng)理郵箱：3475502165@qq.com</p> <p><A target="_blank" rel="nofollow">管理登陸</A> 技術(shù)支持：<A target="_blank" 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