湛江超純水排行榜客戶至上上海澤權(quán)儀器設(shè)備供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="新鮮超純水是HPLC法中較合適的流動相試劑。超純水中的有機雜質(zhì)的含量較少(大約5ppb)，生產(chǎn)廠家不同，瓶裝水中有機污染物的含量也大不相同，但可利用在線TOC監(jiān)控技術(shù)進行監(jiān)測。某些經(jīng)過測試的瓶裝超純水中有機碳總量TOC的含量高達777ppb"><meta name="keywords" content="湛江超純水排行榜,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 name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> 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clearfix"><h1>湛江超純水排行榜客戶至上上海澤權(quán)儀器設(shè)備供應(yīng)</h1><div id="a3kj778" class="proBig"><div id="8k9lurt" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637408202860635552/483390.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="08giah2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637408202860635552/483390.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ae2kmyv" 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>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>湛江超純水排行榜,超純水</p><p><span>***更新：</span>2021-01-30 10:18:33</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="m77a2ov" 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: </span>021-62837120</p><p><span>地址: </span>上海市徐匯區(qū)肇嘉浜路798號坤陽商務(wù)廣場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="gv7movs" class="page-proshow02"><p class="title">詳細說明</p><div id="eyqd2rd" class="box"><p><p style="text-indent:25px">新鮮超純水是HPLC法中較合適的流動相試劑。超純水中的有機雜質(zhì)的含量較少(大約5ppb)，生產(chǎn)廠家不同，瓶裝水中有機污染物的含量也大不相同，但可利用在線TOC監(jiān)控技術(shù)進行監(jiān)測。某些經(jīng)過測試的瓶裝超純水中有機碳總量TOC的含量高達777ppb。超純水的生產(chǎn)工藝，湛江超純水排行榜、生產(chǎn)廠的灌裝條件和包裝環(huán)境、瓶子和瓶蓋材料以及使用前瓶裝水在倉庫中的存放時間長短等因素都會影響超純水的質(zhì)量。新生產(chǎn)的超純水總有機碳含量較低。逆向滲透可以有效去除80%~90%的有機污染物含量，逆向滲透后的電去離子又能夠有效的去除沉積的雜質(zhì)(無機，湛江超純水排行榜、有機離子)，湛江超純水排行榜。電去離子能夠完全利用逆向滲透去除有機污染物，因為它能排除穿過逆向滲透膜的有機酸和胺。沒有人把超純水當(dāng)作飲料飲用，一是因為成本極高，二是沒必要當(dāng)飲料，三是長期飲用有害健康。湛江超純水排行榜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湛江超純水排行榜,超純水" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637408202860635552/483390.png"></div><p style="text-indent:25px">各行業(yè)超純水超純水水質(zhì)標(biāo)準：1.電阻率:10~15MΩ.CM 動物實驗室用超純水、玻殼鍍膜沖洗用超純水、電鍍用純超純水、鍍膜玻璃用超純水、其它有相同超純水質(zhì)要求的用超純水。2.電阻率≥15 MΩ.CM高級化妝品生產(chǎn)用去離子超純水、電子行業(yè)鍍膜用超純水、光學(xué)材料清洗用超純水、電子陶瓷行業(yè)用超純水、較好磁性材料用超純水、其它有相同超純水質(zhì)要求的用超純水。3.電阻率≥17 MΩ.CM 磁性材料鍋爐用軟化超純水、敏感新材料用超純水、半導(dǎo)體材料生產(chǎn)用超純水、較好金屬材料用超純水、防老化材料實驗室用超純水、有色金屬，貴金屬冶煉用超純水、納米級新材料生產(chǎn)用超純水、航空新材料生產(chǎn)用超純水、太陽能電池生產(chǎn)用超純水、超純水晶片生產(chǎn)用超純水、超純化學(xué)試劑生產(chǎn)用超純水、實驗室用高純超純水、其它有相同超純水質(zhì)要求的用超純水。4.電阻率≥18 MΩ.CM ITO導(dǎo)電玻璃制造用超純水、化驗室用超純水、電子級無塵布生產(chǎn)用超純水等其它有相同超純水質(zhì)要求的用超純水。沈陽超純水品牌集成電路生產(chǎn)過程中的80%的工序需要使用超純水清洗硅片。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湛江超純水排行榜,超純水" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637408202805244780/2658545.png"></div><p style="text-indent:25px">電力系統(tǒng)所用的超純水，要求各雜質(zhì)含量低達到“微克/升”級。在超純水的制作中，水質(zhì)標(biāo)準所規(guī)定的各項指標(biāo)應(yīng)該根據(jù)電子(微電子)元器件(或材料)的生產(chǎn)工藝而定(如普遍認為造成電路性能破壞的顆粒物質(zhì)的尺寸為其線寬的1/5-1/10)，但由于微電子技術(shù)的復(fù)雜性和影響產(chǎn)品質(zhì)量的因素繁多，至今尚無一份由工藝試驗得到的適用于某種電路生產(chǎn)的完整的水質(zhì)標(biāo)準。隨著電子級水標(biāo)準的不斷修訂，而且超純水分析領(lǐng)域的許多突破和發(fā)展，新的儀器和新分析方法的不斷應(yīng)用都為制超純水工藝的發(fā)展創(chuàng)造了條件。</p><p style="text-indent:25px">我國電子工業(yè)部把電子級水質(zhì)技術(shù)分為五個行業(yè)等級。超純水的國家標(biāo)準為: GB1146.1-89 至6B1146.11-89，超純水的電子級水分為五個級別，I級、 I級、I級、IV級和V級，超純水的水質(zhì)標(biāo)準中所規(guī)定的各項指標(biāo)的主要依據(jù)有: 1.微電子工藝對水質(zhì)的要求; 2.制水工藝的水平; 3.檢測技術(shù)的現(xiàn)狀。超純水在電子元器件生產(chǎn)中的重要作用日益突出，超純水水質(zhì)已經(jīng)成為影響電子元器件產(chǎn)品質(zhì)量、生產(chǎn)成品率以及生產(chǎn)成本的重要因素之-,水質(zhì)要求也是越來越高。在電子元器件的生產(chǎn)過程當(dāng)中,超純水主要用作清洗用水以及用來配制各種溶液、漿料，不同的電子元器件在生產(chǎn)過程中超純水的用途及對水質(zhì)的要求也略有不同。超純水中除了水分子外，幾乎沒有什么雜質(zhì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湛江超純水排行榜,超純水" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637408200065068990/7280203.png"></div><p style="text-indent:25px">超純水質(zhì)量影響因素：超純水水質(zhì)的影響，主要是制作過程本身的影響，空氣污染以及容器的污染。在制作過程中，不同的蒸餾器具會對超純水水質(zhì)有不同影響。比如硬質(zhì)化學(xué)玻璃蒸餾器所得蒸餾水不適用于硼的測定。一般石英蒸餾器所得蒸餾水純凈性好。離子交換制水，已不能完全去除有機物和非電解質(zhì)，有時候需用將去離子水重蒸餾?？諝庵械某煞?，會溶于超純水造成污染。如超純水放置久了，CO2會溶于水，影響游離二氧化碳的測定。實驗室中空氣含有氨而污染超純水，影響氨氮的測定。容器對超純水的影響也較大。《水和廢水》指出，玻璃容器盛裝超純水可溶出某些金屬及硅酸鹽，有機物較少。聚乙烯容器所溶出的無機物較少，但有機物比玻璃容器略多。超純水對于各個行業(yè)來說都很有適用性。長寧區(qū)超純水報價</p><p style="text-indent:25px">集成半導(dǎo)體芯片上都是納米級別的電路，這樣精細的雕蝕工藝，需要用超純水進行沖洗。湛江超純水排行榜</p><p style="text-indent:25px">在晶體管、集成電路生產(chǎn)中，超純水主要用于清洗硅片，另有少量用于藥液配制，硅片氧化的水汽源，部分設(shè)備的冷卻水，配制電鍍液等。集成電路生產(chǎn)過程中的80%的工序需要使用超純水清洗硅片，水質(zhì)的好壞與集成電路的產(chǎn)品質(zhì)量及生產(chǎn)成品率關(guān)系很大。水中的堿金屬(K、Na等)會使絕緣膜耐壓不良，重金屬(Au、Ag、Cu等)會使PN結(jié)耐壓降低，Ⅲ族元素(B、Al、Ga等)會使N型半導(dǎo)體特性惡化，Ⅴ族元素(P、As、Sb等)會使P型半導(dǎo)體特性惡化，水中細菌高溫碳化后的磷(約占灰分的20-50%)會使P型硅片上的局部區(qū)域變?yōu)镹型硅而導(dǎo)致器件性能變壞，水中的顆粒(包括細菌)如吸附在硅片表面，就會引起電路短路或特性變差。湛江超純水排行榜</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3081217.html</p></div></div></div></div></div><div id="nbyaxjl" 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