吉林移液器代理商服務(wù)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(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="移液器、一次性吸頭和操作員組成了一個(gè)3分系統(tǒng)。準(zhǔn)確度取決于該系統(tǒng)元素之間的相互作用，吉林移液器代理商。不**是其他實(shí)驗(yàn)室儀器，移液器操作人員可以對(duì)移液結(jié)果的準(zhǔn)確性產(chǎn)生較高的影響。正因如此，操作人員必須經(jīng)過(guò)培訓(xùn)才能使用移液器。有一些強(qiáng)大而簡(jiǎn)單"><meta name="keywords" content="吉林移液器代理商,移液器"><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" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center 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href="http://www.cdcfah.com/cp/third-dgyqybwr_qtdgyqybpe/">其他電工儀器儀表</a>?吉林移液器代理商服務(wù)至上上海澤權(quán)儀器設(shè)備供應(yīng)</p><div id="z3df33h" class="leftbox clearfix"><h1>吉林移液器代理商服務(wù)至上上海澤權(quán)儀器設(shè)備供應(yīng)</h1><div id="8fvsulc" class="proBig"><div id="a8zgipm" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637408205238379732/3234312.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="aew224y" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637408205238379732/3234312.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="utv4hri" 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>吉林移液器代理商,移液器</p><p><span>***更新：</span>2020-12-08 08:18:00</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="uskzqnu" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="qewqcjg" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="hlivxja" class="box"><p><p style="text-indent:25px">移液器、一次性吸頭和操作員組成了一個(gè) 3 分系統(tǒng)。準(zhǔn)確度取決于該系統(tǒng)元素之間的相互作用，吉林移液器代理商。不**是其他實(shí)驗(yàn)室儀器，移液器操作人員可以對(duì)移液結(jié)果的準(zhǔn)確性產(chǎn)生較高的影響。正因如此，操作人員必須經(jīng)過(guò)培訓(xùn)才能使用移液器。有一些強(qiáng)大而簡(jiǎn)單的技術(shù)可有效提高移液準(zhǔn)確度。移液器校準(zhǔn)指的是測(cè)試移液器的精確度和準(zhǔn)確度，如果超出范圍，則將其重置為制造商的規(guī)范。移液器校準(zhǔn)的較常用的方法是重力法，吉林移液器代理商，將蒸餾水轉(zhuǎn)移到分析天平上然后進(jìn)行稱(chēng)重，吉林移液器代理商，以此評(píng)估測(cè)量結(jié)果的準(zhǔn)確度。單道移液器的特點(diǎn)：方便快捷校準(zhǔn)和維修、準(zhǔn)確的分液、下半支可高溫高壓消毒處。吉林移液器代理商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林移液器代理商,移液器" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637408205238379732/3234312.png"></div><p style="text-indent:25px">移液器按工作原理分為兩種：氣體活塞式和外置活塞式。氣體活塞式移液器就是通過(guò)彈簧的伸縮運(yùn)動(dòng)吸液和放液，這種移液器的活塞在移液器套筒內(nèi)，液體和活塞之間有一定的死體積。做生物的常用這種，缺點(diǎn)就是粘度高的液體吸不上來(lái)，比如說(shuō)甘油，要用剪子剪一下器頭，就是因?yàn)檫@種的彈簧吸力不強(qiáng)；彈簧時(shí)間長(zhǎng)了容易不準(zhǔn)確，尤其是如果長(zhǎng)期不在較大量程會(huì)導(dǎo)致精度不準(zhǔn)，要進(jìn)行校準(zhǔn)。過(guò)程類(lèi)似于吸1 mL水然后放到分析天平上稱(chēng)重，再根據(jù)這個(gè)值的偏大偏小進(jìn)行調(diào)節(jié)。松江區(qū)移液器品牌哪家好移液是一項(xiàng)重復(fù)性工作，在加載和退出測(cè)頭時(shí)可能會(huì)用到很大的力度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林移液器代理商,移液器" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637408205776123651/2409243.png"></div><p style="text-indent:25px">清潔后的移液器需要校準(zhǔn)。移液器校準(zhǔn)時(shí)必須在室溫條件(25+/-2℃)下進(jìn)行。參照移液器的使用說(shuō)明，不同刻度10000\5000\1000\200ul必須分別進(jìn)行校準(zhǔn)。將移液頭里的氣泡排除，選擇好需要校準(zhǔn)的刻度。將一空容器放在精度為0.1 毫克的電子天平上去皮，按加液鍵，將水加入空容器中稱(chēng)重，記錄讀數(shù)。按照國(guó)標(biāo)，移液器的校準(zhǔn)采用“三點(diǎn)測(cè)試（較大量程的基本可以，50%和10%），每點(diǎn)六次”的規(guī)則，而供應(yīng)商通常會(huì)選擇兩種規(guī)則：一是簡(jiǎn)易校準(zhǔn)，也就是兩點(diǎn)測(cè)試（較大量程的基本可以和10%），每點(diǎn)四次；二是嚴(yán)格校準(zhǔn)，也就是三點(diǎn)測(cè)試（較大量程的基本可以，50%和10%），每點(diǎn)十次。使用者根據(jù)自己的實(shí)際需求選擇一種規(guī)則完成測(cè)試后即進(jìn)入計(jì)算環(huán)節(jié)。</p><p style="text-indent:25px">移取標(biāo)準(zhǔn)溶液(如水、緩沖液、稀釋的鹽溶液和酸堿溶液)時(shí)多使用空氣置換移液器，移取具有高揮發(fā)性、高黏稠度以及密度大于2.0g/cm的液體或者在臨床聚合酶鏈反應(yīng)(PCR)測(cè)定中的加樣時(shí)使用正向置換移液器。如移取15ul的液體，較好選擇較大量程為20ul的移液器，選擇50ul及其以上量程的移液器都不夠準(zhǔn)確。設(shè)定移液體積，調(diào)節(jié)移液器的移液體積控制旋鈕進(jìn)行移液量的設(shè)定。調(diào)節(jié)移液量時(shí)，應(yīng)視體積大小而旋轉(zhuǎn)刻度至超過(guò)設(shè)定體積的刻度，再回調(diào)至設(shè)定體積，以保證移取的較佳精確度。移液器是科研、生物科技、制藥和其他實(shí)驗(yàn)室中常見(jiàn)的手持設(shè)備。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林移液器代理商,移液器" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637408205189287816/8049170.png"></div><p style="text-indent:25px"> 移液器的選擇：根據(jù)需求選擇相應(yīng)的移液器。通常情況下選擇35%～基本可以范圍進(jìn)行操作，選擇這個(gè)量程對(duì)操作者的操作技巧依賴(lài)較少，同時(shí)可保證移液的準(zhǔn)確性和精度程的調(diào)節(jié)：遵循由大到小原則，當(dāng)由大量程調(diào)至小量程時(shí)，通過(guò)調(diào)節(jié)按鈕迅速調(diào)至需要量程，在接近理想值時(shí)，將微量移液器橫放調(diào)至預(yù)定值。當(dāng)由小量程調(diào)至大量程時(shí)，需注意旋轉(zhuǎn)達(dá)到超過(guò)預(yù)定值，回調(diào)到預(yù)定值。安裝吸頭：采用旋轉(zhuǎn)安裝法，將微量移液器端垂直插入吸頭，輕輕用力壓，逆時(shí)針旋轉(zhuǎn)180°安裝，切勿用力過(guò)猛。此外，公司還代理多款科研儀器和實(shí)驗(yàn)室耗材并自主研發(fā)ZEALPURE實(shí)驗(yàn)室超純水系統(tǒng)。公司建有產(chǎn)品應(yīng)用實(shí)驗(yàn)室，可以提供樣品的無(wú)損金屬成分分析、代理產(chǎn)品故障維修、技術(shù)培訓(xùn)等服務(wù)。電子滴定器體積小，電池壽命長(zhǎng)，適合于狹小空間和遠(yuǎn)離電源的地方使用。松江區(qū)移液器品牌哪家好</p><p style="text-indent:25px">移液器的吸排液量程范圍包括從基本的帶刻度玻璃管的排液精度到復(fù)雜精密儀器的微升級(jí)增量排液精度。吉林移液器代理商</p><p style="text-indent:25px">VWR Powerpette Pro系列新款強(qiáng)力電動(dòng)移液器,內(nèi)置新型高速靜音馬達(dá),可快速吸取高粘度的液體。能在3秒內(nèi)吸取25m液體,手感舒適,可成一定角度放在生物安全柜內(nèi)。內(nèi)裝可充電電池,一次充電可連續(xù)工作8小時(shí)。通過(guò)指控鍵,輕易控制加樣方式及速度。指控鍵的凹弧形設(shè)計(jì)給操作人員以較大的舒適感。移液器吸頭，使用合適的吸頭：為確保更好的準(zhǔn)確性和精度，建議移液量在吸頭的35％-基本可以量程范圍內(nèi)。吸頭的安裝：對(duì)于大多數(shù)的移液器，特別是多道移液器，安裝吸頭并非易事：為追求良好的密封性，需要將移液套柄插入吸頭后，左右轉(zhuǎn)動(dòng)或前后搖動(dòng)用力上緊。也有人會(huì)用移液器反復(fù)撞擊吸頭來(lái)上緊，但這樣操作會(huì)導(dǎo)致吸頭變形而影響精度，嚴(yán)重的則會(huì)損壞移液器，所以應(yīng)當(dāng)避免出現(xiàn)這樣的操作。多道移液器沒(méi)有O型環(huán)，配合有前擋點(diǎn)的吸頭，只需輕壓一下即可達(dá)致理想密封，實(shí)在是多道移液器使用者的福音。吉林移液器代理商</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，是一家貿(mào)易型的公司。公司業(yè)務(wù)涵蓋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)分析儀等，價(jià)格合理，品質(zhì)有保證。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于機(jī)械及行業(yè)設(shè)備行業(yè)的發(fā)展。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶(hù)成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: 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