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</div>   <div id="uz4pg7q" class="ly_NyNewsdetail"> <h1 class="NyNewsdetail_title">河南綏凈的COD測定儀特點說明</h1> <div id="uz4pg7q" class="NyNewsdetail_tips">更新時間：2024-06-28 點擊次數(shù)：601</div> <div id="uz4pg7q" class="NyNewsdetail_con"> <div>　　河南綏凈COD測定儀是一種化學(xué)需氧量測試儀器。冷光源陳列技術(shù)應(yīng)用，使用光源燈的壽命長達(dá)10萬小時，測定參數(shù)光路的切換由手動便成為自動切換，消除了人為轉(zhuǎn)動的誤差因素。在實驗室、野外快速、準(zhǔn)確測量污水的化學(xué)需氧量。是環(huán)境監(jiān)測站、環(huán)境工程技術(shù)人員、企業(yè)實驗室的備實驗設(shè)備。依據(jù)國家新法規(guī)《 HJ/T399-2007 水質(zhì) 化學(xué)需氧量的測定快速消解分光光度法》研發(fā)設(shè)計生產(chǎn)的，適用于地表水、地下水、工業(yè)廢水、生活廢水等水質(zhì)的檢測。<br /> </div><div>　　河南綏凈的COD測定儀國家標(biāo)準(zhǔn)方法是采用回流消解滴定法，該方法消解時間長(2小時)、耗能大、試劑成本高、檢測效率低，是常困擾實際操作者的主要因素。現(xiàn)COD檢測儀更多執(zhí)行快速消解分光光度法來檢測COD，其檢測原理為重鉻酸鉀溶液在強酸的介質(zhì)中，以硫酸銀作為催化劑，經(jīng)高溫消解后，用分光光度法測定COD值。當(dāng)試樣中COD值為100mg/L至1000mg/L,在600nm±20nm波長處測定重鉻酸鉀被還原產(chǎn)生的Cr3+的吸光度，試樣中COD值與Cr3+的吸光度的增加值成正比例關(guān)系，將三價鉻Cr3+的吸光度換算成試樣COD的值。該儀器是根據(jù)水質(zhì)情況及國家標(biāo)準(zhǔn)水質(zhì)分光光度法要求而研發(fā)的一款同時具備高、低兩個量程的智能型COD測定儀。<br /> </div><div>　　特點：檢測高、低量程水樣采用不同波長，檢測進(jìn)精準(zhǔn)度高；內(nèi)置COD標(biāo)準(zhǔn)曲線，同時支持用戶自建其他標(biāo)準(zhǔn)曲線；標(biāo)配液體預(yù)制試劑，檢測安全、精準(zhǔn)、快速，無需用戶自配；內(nèi)置冷光源、窄帶干涉、光源壽命可達(dá)10萬小時；標(biāo)配16孔多功能智能消解儀，自動名警提示，實驗更安全。<br /> </div> </div> <div id="uz4pg7q" class="ly_PrevNext"> <ul> <li>上一篇：<a href="/Article-3756059.html">農(nóng)藥殘留測定儀校準(zhǔn)規(guī)范：確保食品安全的精準(zhǔn)工具</a></li> <li>下一篇：<a href="/Article-3730862.html">cod氨氮總磷總氮檢測儀：水質(zhì)監(jiān)測的關(guān)鍵角色</a></li> </ul> </div> </div>   <div id="uz4pg7q" class="ly_foot"> <div id="uz4pg7q" class="ly_Ftmain"> <div id="uz4pg7q" class="ly_FtLeft"> <div id="uz4pg7q" class="Ft_nav"><a href="/">首頁</a><a href="/aboutus.html" target="_blank" rel="nofollow">關(guān)于我們</a><a href="/products.html" target="_blank">產(chǎn)品展示</a><a href="/news.html" target="_blank">新聞中心</a><a href="/article.html" target="_blank">技術(shù)文章</a><a href="/honor.html" target="_blank" rel="nofollow">榮譽資質(zhì)</a></div> <div id="uz4pg7q" class="Ft_contact"> <div id="uz4pg7q" 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