西藏超純水批發(fā)廠家創(chuàng)造輝煌上海澤權(quán)儀器設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="實(shí)驗(yàn)室超純水應(yīng)在**的制水間制備。（1）一級(jí)水：一級(jí)水用于有嚴(yán)格要求的分析試驗(yàn)，包括對(duì)顆粒有要求的試驗(yàn)。如高效液相色譜分析用水。一級(jí)水不含有溶解雜質(zhì)或膠態(tài)質(zhì)有機(jī)物。它可用二級(jí)水經(jīng)進(jìn)一步處理制得。例如可將二級(jí)水經(jīng)過(guò)再蒸餾、離子交換混合床、0."><meta name="keywords" content="西藏超純水批發(fā)廠家,超純水"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta 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src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637408202957667985/5333963.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="bacjlih" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637408202957667985/5333963.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="x3u3ikj" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>西藏超純水批發(fā)廠家,超純水</p><p><span>***更新：</span>2021-01-14 03:18:39</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="v2pop27" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海澤權(quán)儀器設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>舒騁</p><p><span>郵箱: </span>2595161201@qq.com</p><p><span>電話: </span>17321076351</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.zeal-quest.com</p><p><span>手機(jī): </span>021-62837120</p><p><span>地址: </span>上海市徐匯區(qū)肇嘉浜路798號(hào)坤陽(yáng)商務(wù)廣場(chǎng)303室</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="ky722x3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="o77x3yn" class="box"><p><p style="text-indent:25px">實(shí)驗(yàn)室超純水應(yīng)在**的制水間制備。（1）一級(jí)水：一級(jí)水用于有嚴(yán)格要求的分析試驗(yàn)，包括對(duì)顆粒有要求的試驗(yàn)。如高效液相色譜分析用水。一級(jí)水不含有溶解雜質(zhì)或膠態(tài)質(zhì)有機(jī)物。它可用二級(jí)水經(jīng)進(jìn)一步處理制得。例如可將二級(jí)水經(jīng)過(guò)再蒸餾、離子交換混合床、0.2μm濾膜過(guò)濾等方法處理，或用石英蒸餾裝置作進(jìn)一步蒸餾制得。一級(jí)水用于制備標(biāo)準(zhǔn)水樣或超痕量物質(zhì)的分析。（2）二級(jí)水：二級(jí)水用于無(wú)機(jī)衡量分析等試驗(yàn)，西藏超純水批發(fā)廠家，如原子吸收光譜分析用水。二級(jí)水常含有微量的無(wú)機(jī)，西藏超純水批發(fā)廠家、有機(jī)或膠態(tài)雜質(zhì)?？捎谜麴s、電滲析或離子交換法制得的水進(jìn)行再蒸餾的方法制備，西藏超純水批發(fā)廠家。用于精確分析和研究工作。（3）三級(jí)水：三級(jí)水用于一般化學(xué)分析試驗(yàn)。三級(jí)水可用蒸餾、電滲析或離子交換等方法制備。實(shí)驗(yàn)室超純水的原料水應(yīng)當(dāng)是飲用水或比較干凈的水，如有污染或空白達(dá)不到要求，必須進(jìn)行純化處理。集成半導(dǎo)體芯片上都是納米級(jí)別的電路，這樣精細(xì)的雕蝕工藝，需要用超純水進(jìn)行沖洗。西藏超純水批發(fā)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西藏超純水批發(fā)廠家,超純水" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637408202957667985/5333963.png"></div><p style="text-indent:25px">紫外線(UV)超純水處理：目前能夠輸出足夠的紫外線強(qiáng)度（UVC）強(qiáng)度用于工程消毒的只有人工汞（合金）燈光源。紫外線殺菌燈燈管是由石英玻璃制成，汞燈根據(jù)點(diǎn)亮后的燈管內(nèi)汞蒸氣壓的不同和紫外線輸出強(qiáng)度的不同，分為三種：低壓低強(qiáng)度汞燈、中壓**度汞燈和低壓**度汞燈。殺菌效果是由微生物所接受的照射劑量決定的，同時(shí)，也受到紫外線的輸出能量，與燈的類型，光強(qiáng)和使用時(shí)間有關(guān)，隨著燈的老化，它將喪失30%-50%的強(qiáng)度。紫外照射劑量是指達(dá)到一定的細(xì)菌滅活率時(shí)，需要特定波長(zhǎng)紫外線的量：照射劑量（J／m2）＝照射時(shí)間（s）×UVC強(qiáng)度（W／m2）；照射劑量越大，消毒效率越高，由于設(shè)備尺寸要求，一般照射時(shí)間只有幾秒，因此，燈管的UVC輸出強(qiáng)度就成了衡量紫外光消毒設(shè)備性能較主要的參數(shù)。陜西超純水代理商食品行業(yè)的加工用水一般都是超純水。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西藏超純水批發(fā)廠家,超純水" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637408202582754609/6259709.png"></div><p style="text-indent:25px">超純水，也就是通常所說(shuō)的實(shí)驗(yàn)室分析用水，一般可由蒸餾、離子交換、反滲透或者市售超超純水機(jī)直接制得。超超純水一般分為三個(gè)等級(jí)，不同等級(jí)滿足不同要求的分析項(xiàng)目。三級(jí)超超純水適用于一般實(shí)驗(yàn)工作，常量分析。三級(jí)水可用蒸餾或離子交換等方法制取。二級(jí)水用于無(wú)機(jī)痕量分析等試驗(yàn)，如原子吸收光譜分析用水。二級(jí)水可用多次蒸餾或離子交換等方法制取。一級(jí)水用于有嚴(yán)格要求的分析試驗(yàn)，包括對(duì)顆粒有要求的試驗(yàn)。如高效液相色譜分析用水。一級(jí)水可用二級(jí)水經(jīng)過(guò)石英設(shè)備蒸餾或離子交換混合床處理后，再經(jīng)0.2um微孔濾膜過(guò)濾來(lái)制取。此外，市場(chǎng)上直接售出的，如屈臣氏、娃哈哈純凈水，在實(shí)際中也可以滿足部分檢測(cè)要求。但，必須經(jīng)過(guò)超超純水質(zhì)量檢查，納入管理后使用。</p><p style="text-indent:25px">在日常生產(chǎn)，很多時(shí)候都會(huì)用到超純水，制取超純水時(shí)都需要注意些什么呢？制取超純水時(shí)需注意以下幾點(diǎn)：1、制取超純水應(yīng)隨制隨用，這樣可以保證水質(zhì)是較好的，因?yàn)槌兯a(chǎn)后放置過(guò)久水質(zhì)會(huì)變差，會(huì)被污染。2、無(wú)論是手動(dòng)或是自動(dòng)設(shè)備，我們?cè)谥迫〕兯臅r(shí)候，應(yīng)該注意調(diào)整閥門(mén)，控制水流，避免飛濺。3、取用超純水時(shí)應(yīng)使用一些開(kāi)口比較小的容器，這樣可以盡量減少空氣進(jìn)入瓶?jī)?nèi)，減少污染。4、在取用超純水之前，至少要將容器用超純水沖洗3次以上，可以防止容器內(nèi)的一些污染物污染超純水?；?yàn)員們用超純水配置藥品試劑、稀釋標(biāo)準(zhǔn)物質(zhì)、平穩(wěn)儀器基線。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="西藏超純水批發(fā)廠家,超純水" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637408200065068990/7280203.png"></div><p style="text-indent:25px">要想強(qiáng)化超純水的制備，必須結(jié)合一系列技術(shù)。以電阻率為指標(biāo)監(jiān)測(cè)超純水離子含量非常有效，但其他如有機(jī)物這樣的污染物并不適合用電阻率進(jìn)行監(jiān)測(cè)。這些污染物同樣會(huì)明顯地影響實(shí)驗(yàn)?zāi)芊癯晒涂煽啃?。通過(guò)比較不同預(yù)處理手段的供水對(duì)超純水系統(tǒng)效能的影響，可以很容易的確證這種作用。無(wú)論是去離子水還是反滲透和連續(xù)電流去離子技術(shù)聯(lián)用供水，都能讓終端系統(tǒng)產(chǎn)生高電阻率的水，但兩者的終端產(chǎn)水TOC水平明顯不同。在去離子設(shè)備中，由于樹(shù)脂再生使用，產(chǎn)水的有機(jī)污染物水平變化很大。由于這種預(yù)處理手段去除有機(jī)物效果較差，會(huì)引起終端精制系統(tǒng)中陰離子樹(shù)脂被有機(jī)污染物包被，導(dǎo)致介質(zhì)過(guò)早耗盡。超純水是具有一定結(jié)構(gòu)的液體。陜西超純水代理商</p><p style="text-indent:25px">超純水是一般工藝很難達(dá)到的程度。西藏超純水批發(fā)廠家</p><p style="text-indent:25px">隨著工業(yè)化的普及，超純水在電子工業(yè)主要是電子元器件生產(chǎn)中的重要作用日益突出，超純水水質(zhì)已成為影響電子元器件產(chǎn)品質(zhì)量、生產(chǎn)成品率及生產(chǎn)成本的重要因素之一，水質(zhì)要求也越來(lái)越高。在電子元器件生產(chǎn)中，超純水主要用作清洗用水及用來(lái)配制各種溶液、漿料，不同的電子元器件生產(chǎn)中超純水的用途及對(duì)水質(zhì)的要求也不同。在電解電容器生產(chǎn)中，鋁箔及工作件的清洗需用超純水，如水中含有氯離子，電容器就會(huì)漏電。在電子管生產(chǎn)中，電子管陰極涂敷碳酸鹽，如其中混入雜質(zhì)，就會(huì)影響電子的發(fā)射，進(jìn)而影響電子管的放大性能及壽命，因此其配液要使用超純水。西藏超純水批發(fā)廠家</p><p style="text-indent:25px">上海澤權(quán)儀器設(shè)備有限公司致力于機(jī)械及行業(yè)設(shè)備，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。上海澤權(quán)儀器擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供奧林巴斯土壤中金屬分析儀，奧林巴斯合金分析儀，奧林巴斯衍射儀，連續(xù)流動(dòng)分析儀。上海澤權(quán)儀器致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來(lái)良好體驗(yàn)。上海澤權(quán)儀器始終關(guān)注機(jī)械及行業(yè)設(shè)備行業(yè)。滿足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2836314.html</p></div></div></div></div></div><div id="v7tl3yf" class="page-right twoColRt"><div 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