雙光束紫外可見(jiàn)分光光度計(jì)廠(chǎng)家真誠(chéng)推薦上海儀電分析儀器供應(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="紫外可見(jiàn)分光光度計(jì)是一類(lèi)很重要的實(shí)驗(yàn)室分析儀器，無(wú)論在物理學(xué)、化學(xué)、生物學(xué)、醫(yī)學(xué)、材料學(xué)、環(huán)境科學(xué)等科學(xué)研究領(lǐng)域，還是在化工、醫(yī)藥、環(huán)境檢測(cè)、冶金等現(xiàn)代化生產(chǎn)與管理部門(mén)，紫外可見(jiàn)分光光度計(jì)都有面向廣的應(yīng)用。紫外可見(jiàn)分光光度計(jì)校正開(kāi)機(jī)預(yù)熱10"><meta name="keywords" content="雙光束紫外可見(jiàn)分光光度計(jì)廠(chǎng)家,紫外可見(jiàn)分光光度計(jì)"><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" 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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>雙光束紫外可見(jiàn)分光光度計(jì)廠(chǎng)家,紫外可見(jiàn)分光光度計(jì)</p><p><span>***更新：</span>2020-11-07 01:18:16</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="edaxpbd" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海儀電分析儀器有限公司</a></p><p><span>聯(lián)系人：</span>薛馬駿</p><p><span>郵箱: </span>ydfxwx@qq.com</p><p><span>電話(huà): </span>18001994173</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.inesa-a.com</p><p><span>手機(jī): </span>021-34530361</p><p><span>地址: </span>徐塘路88號(hào)7幢4層、9幢</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="ixzgiur" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="2tphovx" class="box"><p><p> 紫外可見(jiàn)分光光度計(jì)是一類(lèi)很重要的實(shí)驗(yàn)室分析儀器，無(wú)論在物理學(xué)、化學(xué)、生物學(xué)、醫(yī)學(xué)、材料學(xué)、環(huán)境科學(xué)等科學(xué)研究領(lǐng)域，還是在化工、醫(yī)藥、環(huán)境檢測(cè)、冶金等現(xiàn)代化生產(chǎn)與管理部門(mén)，紫外可見(jiàn)分光光度計(jì)都有面向廣的應(yīng)用。 </p> <p> 紫外可見(jiàn)分光光度計(jì)校正 </p> <p> 開(kāi)機(jī)預(yù)熱10分鐘足矣； </p> <p> 放入黑塊和標(biāo)樣（沒(méi)有的自己配），關(guān)閉蓋子； </p> <p> 校0； </p> <p> 把燈光對(duì)著黑塊，把透光度調(diào)0； </p> <p> 把燈光對(duì)標(biāo)樣，將吸光度調(diào)到100%。 </p> <p> 紫外可見(jiàn)分光光度計(jì)使用注意事項(xiàng) </p> <p> 開(kāi)機(jī)前應(yīng)先預(yù)熱15分鐘，然后開(kāi)機(jī)自檢； </p> <p> 濕度要控制在75%左右，雙光束紫外可見(jiàn)分光光度計(jì)廠(chǎng)家，雙光束紫外可見(jiàn)分光光度計(jì)廠(chǎng)家，溫度在5～30度之間； </p> <p> 儀器要穩(wěn)壓電源，接地要好，雙光束紫外可見(jiàn)分光光度計(jì)廠(chǎng)家。并且避免陽(yáng)光直接照射。紫外可見(jiàn)分光光度計(jì)基本工作原理和紅外光譜儀相似，利用一定頻率的紫外可見(jiàn)光照射被分析的有機(jī)物質(zhì)。雙光束紫外可見(jiàn)分光光度計(jì)廠(chǎng)家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="雙光束紫外可見(jiàn)分光光度計(jì)廠(chǎng)家,紫外可見(jiàn)分光光度計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637396592155319523/9592810.png"></div><p> 光學(xué)構(gòu)造（OPTICAL CONFIGURATION）一般來(lái)說(shuō)，紫外光分光光度計(jì)分為單光束和雙光束兩類(lèi)。顧名思義，單光束型主要是依賴(lài)單束光進(jìn)行測(cè)量。一束給定波長(zhǎng)的光通過(guò)對(duì)照物，然后再通過(guò)實(shí)際樣品溶液，就能得到吸光結(jié)果。 </p> <p> 雙光束型則是通過(guò)一個(gè)斬光輪（mirrored chopper wheel）將一束光分成兩束，分別測(cè)量對(duì)照樣品和實(shí)際樣品?？蒑IN光漂移（lamp drift）和減少測(cè)量時(shí)間。一些雙光型光度計(jì)不利用斬光輪，而是利用一種光束分光器來(lái)代替，將一束光分成兩束平行的光然后同時(shí)測(cè)量對(duì)照樣品和目的樣品。因?yàn)樵黾恿藴y(cè)量的速度，所以雙光束分光光度計(jì)在測(cè)量一些溶液隨時(shí)間動(dòng)態(tài)變化的研究中大有用處。車(chē)載紫外可見(jiàn)分光光度計(jì)現(xiàn)貨紫外分光光度計(jì)的光柵是一系列等寬、等距離的平行狹縫，以光的衍射現(xiàn)象和干涉現(xiàn)象為基礎(chǔ)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="雙光束紫外可見(jiàn)分光光度計(jì)廠(chǎng)家,紫外可見(jiàn)分光光度計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637396593771266494/7369055.png"></div><p> 掌握紫外可見(jiàn)光分光光度計(jì)基本工作原理：一定頻率紫外可見(jiàn)光照射所需要分析的目標(biāo)樣品，引起目標(biāo)樣品中價(jià)電子發(fā)生躍遷，從而變現(xiàn)隨著吸收波長(zhǎng)變化而引起光譜變化，形成可供分析數(shù)據(jù)。 </p> <p> 以朗伯-比耳定律(Lambert-beer)為理論基礎(chǔ)，特定波長(zhǎng)吸收中，吸收程度正比于試樣成分濃度，因此，可進(jìn)行光譜的定性分析。且根據(jù)吸收與已知濃度標(biāo)樣比較，能進(jìn)行定量分析。 </p> <p> 紫外可見(jiàn)光分光光度計(jì)種類(lèi)及優(yōu)缺點(diǎn)對(duì)比：傳統(tǒng)機(jī)型：?jiǎn)喂馐鳸V、全程密閉、以光柵進(jìn)行分光，標(biāo)樣和測(cè)試樣品分別測(cè)試，全波段掃描時(shí)間至多2min；比例雙光束UV：?jiǎn)喂馐鳸V，全程密閉、經(jīng)光柵再經(jīng)棱鏡，全程密閉、標(biāo)樣和測(cè)試樣品分別測(cè)試、測(cè)試靈敏度降低，全波段分析時(shí)間長(zhǎng)。 </p><p> 紫外分光光度計(jì)--注意事項(xiàng) </p> <p> 1．該儀器應(yīng)放在干燥的房間內(nèi)，使用時(shí)放置在堅(jiān)固平穩(wěn)的工作臺(tái)上，室內(nèi)照明不宜太強(qiáng)。熱天時(shí)不能用電扇直接向儀器吹風(fēng)，防止燈泡燈絲發(fā)亮不穩(wěn)定。 </p> <p> 2．使用本儀器前，使用者應(yīng)該首先了解本儀器的結(jié)構(gòu)和工作原理，以及各個(gè)操縱旋鈕之功能。在未按通電源之前，應(yīng)該對(duì)儀器的安全性能進(jìn)行檢查，電源接線(xiàn)應(yīng)牢固，通電也要良好，各個(gè)調(diào)節(jié)旋鈕的起始位置應(yīng)該正確，然后再按通電源開(kāi)關(guān)。 </p> <p> 3．在儀器尚未接通電源時(shí)，電表指針必須于“0”刻線(xiàn)上，若不是這種情況，則可以用電表上的校正螺絲進(jìn)行調(diào)節(jié)。在水質(zhì)的常規(guī)監(jiān)測(cè)中，紫外可見(jiàn)分光光度法占有較大的比重，待測(cè)物的濃度和干擾物的濃度差別很大。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="雙光束紫外可見(jiàn)分光光度計(jì)廠(chǎng)家,紫外可見(jiàn)分光光度計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637396592124342670/5540999.png"></div><p style="text-indent:25px">紫外分光光度計(jì)檢測(cè)器是將光信號(hào)轉(zhuǎn)變?yōu)殡娦盘?hào)的裝置。測(cè)量吸光度時(shí)，并非直接測(cè)量透過(guò)吸收池的光強(qiáng)度，而是將光強(qiáng)度轉(zhuǎn)換成電流進(jìn)行測(cè)量，這種光電轉(zhuǎn)換器件稱(chēng)為檢測(cè)器，又叫接受器。常用的檢測(cè)器有光電池、光電管、光電倍增管及光電二極管陣列檢測(cè)器等。光電池價(jià)格便宜，但長(zhǎng)時(shí)間曝光，會(huì)使靈敏度降低。光電管的靈敏度比光電池高；光電倍增管不僅靈敏度比普通光電管高，而且響應(yīng)速度快，目前中、高性能分光光度計(jì)中一般采用它作為檢測(cè)器。光電二極管陣列檢測(cè)器是紫外可見(jiàn)分光光度計(jì)檢測(cè)的一個(gè)重要進(jìn)展。在大部分的樣品類(lèi)型中，分光光度計(jì)可接受樣品孔、小玻璃管cuvette、吸漿管和微孔板。上海紫外可見(jiàn)分光光度計(jì)賣(mài)價(jià)</p><p style="text-indent:25px">紫外可見(jiàn)分光光度計(jì)，可以通過(guò)更換光源分別形成可見(jiàn)和紫外光區(qū)，測(cè)定的波長(zhǎng)在200～1000nm。雙光束紫外可見(jiàn)分光光度計(jì)廠(chǎng)家</p><p> 如何正確使用752N紫外可見(jiàn)分光光度計(jì) </p> <p> A：在使用紫外可見(jiàn)分光光度計(jì)時(shí)候，設(shè)備儀器使用之前，一定需要能夠把樣品室內(nèi)存放的防潮劑給拿出來(lái)，且在設(shè)備正常運(yùn)轉(zhuǎn)檢查時(shí)候也不能開(kāi)啟樣品室蓋；在檢查時(shí)候需注意比色皿當(dāng)中的液體要能占總體積的百分之六十六到百分之八十比較好，千萬(wàn)不能讓液體太多以至于液體外泄直接腐蝕儀器設(shè)備。 </p> <p> 當(dāng)然在進(jìn)行正常檢測(cè)時(shí)候，也要能確保比色皿干凈，當(dāng)發(fā)現(xiàn)內(nèi)壁上有液滴就許使用專(zhuān)業(yè)的紙張給擦拭干凈，建議大家千萬(wàn)不要使用手直接擦拭，以免造成對(duì)手的傷害。 </p> <p> B：在使用紫外可見(jiàn)分光光度計(jì)時(shí)，儀器設(shè)備在正常運(yùn)轉(zhuǎn)的時(shí)候，一定要嚴(yán)禁把液體溶劑給直接放置于儀器的表層上，如果發(fā)現(xiàn)有溶劑液體出現(xiàn)外泄的情況，一定要進(jìn)行及時(shí)的清潔和處理。 </p> <p> C：當(dāng)使用紫外可見(jiàn)分光光度計(jì)檢測(cè)完畢后，還需要能夠及時(shí)把比色皿內(nèi)的液體給妥善處理掉，并還需要能夠使用蒸餾水給徹底清潔干凈，同時(shí)將比色皿進(jìn)行倒置晾干處理；全部工作完成后還需把設(shè)備儀器電源給關(guān)閉，再將防潮劑放入到樣品室內(nèi)并做好防塵處理才好。雙光束紫外可見(jiàn)分光光度計(jì)廠(chǎng)家</p><p style="text-indent:25px">上海儀電分析儀器有限公司致力于儀器儀表，是一家生產(chǎn)型的公司。儀電分析致力于為客戶(hù)提供良好的分光光度計(jì)，氣相色譜，原子吸收，食品安全，一切以用戶(hù)需求為中心，深受廣大客戶(hù)的歡迎。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造儀器儀表良好品牌。儀電分析秉承“客戶(hù)為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1878488.html</p></div></div></div></div></div><div id="afcegiu" class="page-right twoColRt"><div id="nhjli3p" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ynkcjgs" 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" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="pegd2y3" class="recomPic likePro"><a 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