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class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/szyscg/637445091744831707/4024634.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vc8la3k" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/szyscg/637445091744831707/4024634.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="nf3dbqg" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>徐州COD監(jiān)測儀COD化學(xué)需氧量監(jiān)測傳感器生產(chǎn)廠家,COD化學(xué)需氧量監(jiān)測傳感器</p><p><span>***更新：</span>2020-12-25 21:54:56</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="poarhti" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州禹山傳感科技有限公司</a></p><p><span>聯(lián)系人：</span>徐海琴</p><p><span>郵箱: </span>1057207495@qq.com</p><p><span>電話: </span>15150123732</p><p><span>傳真: </span>0512_87663911</p><p><span>網(wǎng)址: </span>http://www.yosemitech.com</p><p><span>手機: </span>0512-87663997</p><p><span>地址: </span>東長路18號中節(jié)能環(huán)保產(chǎn)業(yè)園25棟 </p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="x88brzd" class="page-proshow02"><p class="title">詳細說明</p><div id="t5at68h" class="box"><p><p> <span style="font-size:16px;">當(dāng)骯臟、有害的物質(zhì)進入潔凈的水中，水污染就發(fā)生了。</span> </p> <p> <span style="font-size:16px;"><strong>水的污染源主要有：</strong></span> </p> <p> <span style="font-size:16px;">未經(jīng)處理而排放的工業(yè)廢水；</span> </p> <p> <span style="font-size:16px;">未經(jīng)處理而排放的生活污水；</span> </p> <p> <span style="font-size:16px;">大量使用化肥、農(nóng)藥、除草劑的農(nóng)田污水；</span> </p> <p> <span style="font-size:16px;">堆放在河邊的工業(yè)廢棄物和生活垃圾；</span> </p> <p> <span style="font-size:16px;">水土流失；</span> </p> <p> <span style="font-size:16px;">礦山污水。</span> </p> <p> <span style="font-size:16px;"><strong>禹山傳感水質(zhì)監(jiān)測傳感器</strong>研發(fā)生產(chǎn)，現(xiàn)已推出多參數(shù)水質(zhì)傳感器（五參數(shù)/七參數(shù)）、光學(xué)溶解氧、光纖式濁度、四電極電導(dǎo)率、藍綠藻，徐州COD監(jiān)測儀COD化學(xué)需氧量監(jiān)測傳感器生產(chǎn)廠家、葉綠素、水中油及COD等多款水質(zhì)傳感器，徐州COD監(jiān)測儀COD化學(xué)需氧量監(jiān)測傳感器生產(chǎn)廠家。廣泛應(yīng)用于水環(huán)境保護、污水處理、工業(yè)過程監(jiān)控、水產(chǎn)養(yǎng)殖、食品發(fā)酵及制藥等多領(lǐng)域，徐州COD監(jiān)測儀COD化學(xué)需氧量監(jiān)測傳感器生產(chǎn)廠家。</span><span style="font-size:16px;"></span> Ⅲ類水化學(xué)需氧量(COD)≤20mg/L、Ⅳ類水化學(xué)需氧量(COD)≤30mg/L、Ⅴ類水化學(xué)需氧量(COD)≤40mg/L。徐州COD監(jiān)測儀COD化學(xué)需氧量監(jiān)測傳感器生產(chǎn)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州COD監(jiān)測儀COD化學(xué)需氧量監(jiān)測傳感器生產(chǎn)廠家,COD化學(xué)需氧量監(jiān)測傳感器" src="https://tyunfile.71360.com/WaterMark/UploadFile/szyscg/637445091744831707/4024634.png"></div><p> <span style="font-size:16px;">現(xiàn)在突然有好多人問COD是什么，一下子讓小編不知道怎么回答了，所以準備和大家簡單的了解下這個COD到底是什么鬼，以及檢測的注意事項。</span> </p> <p> <span style="font-size:16px;"> COD(Chemical Oxygen Demand ) 化學(xué)需氧量，是以化學(xué)的方法測量水樣中需要被氧化的還原性物質(zhì)的量。廢水、廢水處理廠出水和受污染的水中，能被強氧化劑氧化的物質(zhì)（一般為有機物）的氧當(dāng)量。在河流污染和工業(yè)廢水性質(zhì)的研究以及廢水處理廠的運營管理中，它是一個重要的而且能較快測定的有機污染物參數(shù)。</span> </p> <p> <span style="font-size:16px;"><br /> </span> 無錫在線cod監(jiān)測儀COD化學(xué)需氧量監(jiān)測傳感器按需定制水體中還原性物質(zhì)的含量多少（以化學(xué)方法去氧化）。所以COD**是**水體中還原性物質(zhì)的多少。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州COD監(jiān)測儀COD化學(xué)需氧量監(jiān)測傳感器生產(chǎn)廠家,COD化學(xué)需氧量監(jiān)測傳感器" src="https://tyunfile.71360.com/WaterMark/UploadFile/szyscg/637445089137605102/8653720.png"></div><p> <strong><span style="font-size:16px;">什么是COD？</span></strong> </p> <p> <span style="font-size:16px;">COD(化學(xué)需氧量)：是在一定的條件下，采用一定的強氧化劑處理水樣時，所消耗的氧化劑量。它反映了水中受物質(zhì)污染的程度，化學(xué)需氧量越大，說明水中受有機物的污染越嚴重。</span> </p> <p> <span style="font-size:16px;">COD以mg/L表示，通過水質(zhì)監(jiān)測儀器檢測出的COD數(shù)值，水質(zhì)可分為五大類，其中一類和二類COD≤15mg/L，基本上能達到飲用水標(biāo)準，數(shù)值大于二類的水不能作為飲用水的，其中三類COD≤20mg/L、四類COD≤30mg/L、五類COD≤40mg/L屬于污染水質(zhì)，COD數(shù)值越高，污染就越嚴重。</span> </p><p> <span style="font-size:16px;"></span><span style="font-size:16px;">化學(xué)需氧量的定義：氧化一升水樣中的還原性物質(zhì)所需要耗費的強氧化劑的毫克數(shù)。</span><span style="font-size:16px;">化學(xué)需氧量直接反映了水體遭到各種還原性物質(zhì)所污染的程度，如今測定水中化學(xué)需氧量COD可以用<strong>禹山研發(fā)生產(chǎn)的Y551-B COD傳感器</strong>，其原理是：</span> </p> <p> <span style="font-size:16px;">許多溶解于水中的有機物對紫外光具有吸收作用。因此，通過測量這些有機物對254nm波長紫外光的吸收程度，可衡量水中有機污染物的總量。Y551-B傳感器采用兩路光源，一路254nm紫外光，一路365nm紫外參比光，能自動去除懸浮物質(zhì)的干擾，從而實現(xiàn)更穩(wěn)定可靠的測量值。</span> COD是衡量水質(zhì)污染程度的一個重要指標(biāo)之一，幾乎所有水質(zhì)監(jiān)測都會測COD，就像吃一頓飯都會吃米飯一樣。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州COD監(jiān)測儀COD化學(xué)需氧量監(jiān)測傳感器生產(chǎn)廠家,COD化學(xué)需氧量監(jiān)測傳感器" src="https://tyunfile.71360.com/WaterMark/UploadFile/szyscg/637445091459763317/9264466.png"></div><span style="font-size:16px;">在日常提到COD水質(zhì)檢測儀，很多人認為此參數(shù)對水質(zhì)的影響不大，所以儀器用處也不大，感覺化學(xué)需氧量影響**多得是水中的動植物。對于我們?nèi)粘Ｓ盟母蓴_性比較小，不過我們告訴大家這這種想法是不對的，因為化學(xué)需氧量如果過高的話就會導(dǎo)致水中生物的死亡，而它們在死亡后又因為低氧量產(chǎn)生一些有毒物質(zhì)，從而影響整體的水質(zhì)情況。因此在日常了解COD參數(shù)是非常重要的。</span><span style="font-size:16px;"><strong>禹山傳感Y551-B COD監(jiān)測儀</strong></span><span style="font-size:16px;">無需試劑，無污染，更經(jīng)濟環(huán)保?？稍诰€不間斷進行水質(zhì)監(jiān)測。自動對濁度干擾進</span><span style="font-size:16px;">行補償，帶有自動清潔裝置，即使長期監(jiān)測依然具有較好的穩(wěn)定性。</span> <p> <br /> 通常測定COD是用重鉻酸鉀，所以水里面可以跟重鉻酸鉀反應(yīng)的東西都會被納入COD的計算。南京cod測定儀COD化學(xué)需氧量監(jiān)測傳感器廠家</p><p style="text-indent:25px">禹山Y(jié)551-B COD傳感器采用兩路光源，一路254nm紫外光，一路365nm紫外參比光。徐州COD監(jiān)測儀COD化學(xué)需氧量監(jiān)測傳感器生產(chǎn)廠家</p><p> <span style="font-size:16px;">BOD和COD有什么關(guān)系？</span> </p> <p> <span style="font-size:16px;">污水中的有機物質(zhì)，有的可以被生物氧化的(如葡萄糖和乙醇)，有的只能部分被生物氧化降解(如甲醇)，還有一部分有機物是不能被生物氧化降解的，并且還有一定的毒性(某些表面活性劑)。這樣，可以把污水中的有機物分成二個部分，可生化降解和不可生化降解的有機物。習(xí)慣上，COD(化學(xué)需氧量)基本上表示污水中所有的有機物，BOD(生化需氧量)是污水中可以生物降解的有機物，因此COD與BOD的差值，可表示污水中不能生物降解的有機物。</span> </p> <p> <strong><span style="font-size:16px;">禹山傳感</span></strong><strong><span style="font-size:16px;">Y551-B UV254自清潔COD傳感器</span></strong><span style="font-size:16px;">無需試劑，無污染，更經(jīng)濟環(huán)保?？稍诰€不間斷進行水質(zhì)監(jiān)測。自動對濁度干擾進行補償，帶有自動清潔裝置，即使長期監(jiān)測依然具有較好的穩(wěn)定性。</span><span style="font-size:16px;"></span> 徐州COD監(jiān)測儀COD化學(xué)需氧量監(jiān)測傳感器生產(chǎn)廠家</p><p style="text-indent:25px">蘇州禹山傳感科技有限公司一直專注于蘇州禹山傳感科技有限公司從事傳感技術(shù)研發(fā)、環(huán)境污染檢測產(chǎn)品及相關(guān)軟件的研發(fā)、組裝、測試及銷售；提供環(huán)境網(wǎng)絡(luò)解決方案及技術(shù)服務(wù)；從事上述商品及技術(shù)的進出口業(yè)務(wù)。（依法須經(jīng)批準的項目，經(jīng)相關(guān)部門批準后方可開展經(jīng)營活動），是一家儀器儀表的企業(yè)，擁有自己**的技術(shù)體系。一批專業(yè)的技術(shù)團隊，是實現(xiàn)企業(yè)戰(zhàn)略目標(biāo)的基礎(chǔ)，是企業(yè)持續(xù)發(fā)展的動力。公司業(yè)務(wù)范圍主要包括：溶解氧傳感器，水質(zhì)監(jiān)測傳感器，COD傳感器，氨氮傳感器等。公司奉行顧客至上、質(zhì)量為本的經(jīng)營宗旨，深受客戶好評。一直以來公司堅持以客戶為中心、溶解氧傳感器，水質(zhì)監(jiān)測傳感器，COD傳感器，氨氮傳感器市場為導(dǎo)向，重信譽，保質(zhì)量，想客戶之所想，急用戶之所急，全力以赴滿足客戶的一切需要。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2559858.html</p></div></div></div></div></div><div id="331d0px" class="page-right twoColRt"><div id="53fvwqj" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ie3yp0v" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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