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class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產品供應</a>?<a href="http://www.cdcfah.com/cp/first-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/second-yiqiyibiao_gxyq/">光學儀器</a>?<a href="http://www.cdcfah.com/cp/third-gxyq_gpygdj/">光譜儀、光度計</a>?紫外可見分光光度計廠家供應歡迎來電上海儀電分析儀器供應</p><div id="enjqhdp" class="leftbox clearfix"><h1>紫外可見分光光度計廠家供應歡迎來電上海儀電分析儀器供應</h1><div id="o29gl3s" class="proBig"><div id="8xpgma7" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637396594874577336/8128483.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ru2dp7j" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637396594874577336/8128483.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zcqlhde" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>紫外可見分光光度計廠家供應,紫外可見分光光度計</p><p><span>***更新：</span>2020-11-15 00:28:10</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="vzv22e8" 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>聯系人：</span>薛馬駿</p><p><span>郵箱: </span>ydfxwx@qq.com</p><p><span>電話: </span>18001994173</p><p><span>傳真: </span>021_</p><p><span>網址: </span>http://www.inesa-a.com</p><p><span>手機: </span>021-34530361</p><p><span>地址: </span>徐塘路88號7幢4層、9幢</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="pwx2ju2" class="page-proshow02"><p class="title">詳細說明</p><div id="3gs8rsz" class="box"><p><p> 什么是紫外可見分光光度計？紫外可見分光光度計是一類很重要的分析儀器，無論在物理學、化學、生物學、醫(yī)學、材料學、環(huán)境科學等科學研究領域，還是在化工、醫(yī)藥、環(huán)境檢測、冶金等現代化生產與管理部門，紫外可見分光光度計都有重要的應用。 </p> <p> 分光光度計是杜包斯克(Duboscq)和奈斯勒(Nessler)等人在1854年將朗伯-比爾(Lambert-Beer)定律應用于定量分析化學領域，并且設計了第1臺比色計。到1918年，美國國家標準局制成了第1臺紫外可見分光光度計。此后，紫外可見分光光度計經不斷改進，又出現自動記錄、自動打印、數字顯示、微機控制等各種類型的儀器，使光度法的靈敏度和準確度也不斷提高，其應用范圍也不斷擴大。紫外可見分光光度法從問世以來，在應用方面有了很大的發(fā)展，尤其是在相關學科發(fā)展的基礎上，促使分光光度計儀器的不斷創(chuàng)新，功能更加齊全，使得光度法的應用更拓寬了范圍。目前，紫外可見分光光度計廠家供應，分光光度法已為工農業(yè)各個部門和科學研究的各個領域所采用，成為人們從事生產和科研的有力測試手段。目前市場上有兩類主流產品:掃描光柵式分光光度計和固定光柵式分光光度計，紫外可見分光光度計廠家供應。 </p> <p> <br /> 為了測量吸光值，紫外可見分光光度計廠家供應，分光光度計制造商通常使用光電倍增管（photo-multiplier tubes，PMTs）和光敏二極管。紫外可見分光光度計廠家供應</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="紫外可見分光光度計廠家供應,紫外可見分光光度計" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637396594874577336/8128483.png"></div><p> 色譜技術比它起步晚了二百多年，但如今的色譜儀器（氣相、液相、氣質、液質）占了分析界的大半壁江山。相較璀璨如星的各類的色譜儀器，紫外-可見分光光度計黯然了很多。 </p> <p> 紫外-可見分光光度計可以被更精確更高級的檢測手段所取代？可以退出“分析史”的舞臺？ </p> <p> NO！NO！NO！ </p> <p> 事實上紫外-可見分光光度計（下文簡稱紫外分光光度計），依然是“分析舞臺”的美玉，低調有內涵，親民有價值。一起來發(fā)現它在日化產品分析中的美和價值吧。原理分子的紫外可見吸收光譜是由于分子中的某些基團吸收了紫外可見輻射光后，發(fā)生了電子能級躍遷而產生的吸收光譜。由于各種物質具有各自不同的分子、原子和分子空間結構，其吸收光能量的情況也就不會相同，因此，每種物質都有其特有的、固定的吸收光譜曲線，可根據吸收光譜上某些特征波長處吸光度的高低判別或測定該物質的含量，這就是分光光度定性和定量分析的基礎。紫外可見分光光度計廠家供應使用紫外分光光度計應具備四季恒濕的儀器室，配置恒溫設備，特別是地處南方地區(qū)的實驗室。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="紫外可見分光光度計廠家供應,紫外可見分光光度計" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637396593771266494/7369055.png"></div><p> 雙光束UV：經棱鏡分光后通過光柵，加強了靈敏度，同時測量空白樣品與目標樣品的優(yōu)點，全波段分析時間長。全波段UV：樣品與空白樣品可以暴露在空氣中，照射樣品后，進入密閉箱，通過光柵，進入DAD檢測器檢測。檢測樣品不需要密閉，外界光線對測試無影響，使用方便準確且空白只需要檢測一次，全波段分析時間小于1s。 </p> <p> 紫外可見光分光光度計的體積大小以及外觀美學性。紫外可見分光光度計的儀器體積大小，會牽扯儀器所需要的擺放位置以及儀器使用的方便程度。 </p> <p> 儀器的外形美觀，給人以大氣、上檔次、舒適、新鮮的感覺。首先，會讓使用儀器者對儀器分外的愛護、維護和保養(yǎng)，有利于延長儀器的使用壽命。同時，也會讓儀器使用者的工作環(huán)境更舒適、優(yōu)美，也有利于提高工作效率。 </p> <p> 紫外可見光分光光度計儀器使用范圍。紫外可見光分光光度的使用范圍是有儀器的性能指標所決定。采購紫外可見光分光光度計根據測試樣品的具體要求，參考儀器的使用范圍，滿足即可，不必苛求。當然，土豪可以忽略。 </p><p> 光柵實現上就是一系列等寬、等距離的平行狹縫，它是利用光的衍射與干涉作用制成的。光柵作為色散元件具有不少獨特的優(yōu)點，光柵單色器的分辨率比棱鏡單色器的分辨率高，可精確到0.2nm，而且可用的波長范圍也比棱鏡單色器的范圍寬。所以，目前生產的紫外可見分光光度計大多采用光柵作為色散元件。 </p> <p> 吸收池是用于盛裝待測液并決定待測溶液透光液層厚度的器皿，又稱比色皿。吸收池一般為長方體，也有圓形或其它形狀的。其底及兩側為毛玻璃，另兩面為光學透光面。根據光學透光面的材質，吸收池又可分為玻璃吸收池和石英吸收池兩種。玻璃吸收池用于可見光區(qū)測定，石英吸收池用于紫外光區(qū)的測定。吸收池的規(guī)格以光程為標志。常用的吸收池規(guī)格有0.5cm、1.0cm、2.0cm、3.0cm、5.0cm等。在水質的常規(guī)監(jiān)測中，紫外可見分光光度法占有較大的比重，待測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="紫外可見分光光度計廠家供應,紫外可見分光光度計" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637396593893024301/8360761.png"></div><p> 如何正確使用752N紫外可見分光光度計 </p> <p> A：在使用紫外可見分光光度計時候，設備儀器使用之前，一定需要能夠把樣品室內存放的防潮劑給拿出來，且在設備正常運轉檢查時候也不能開啟樣品室蓋；在檢查時候需注意比色皿當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，千萬不能讓液體太多以至于液體外泄直接腐蝕儀器設備。 </p> <p> 當然在進行正常檢測時候，也要能確保比色皿干凈，當發(fā)現內壁上有液滴就許使用專業(yè)的紙張給擦拭干凈，建議大家千萬不要使用手直接擦拭，以免造成對手的傷害。 </p> <p> B：在使用紫外可見分光光度計時，儀器設備在正常運轉的時候，一定要嚴禁把液體溶劑給直接放置于儀器的表層上，如果發(fā)現有溶劑液體出現外泄的情況，一定要進行及時的清潔和處理。 </p> <p> C：當使用紫外可見分光光度計檢測完畢后，還需要能夠及時把比色皿內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，同時將比色皿進行倒置晾干處理；全部工作完成后還需把設備儀器電源給關閉，再將防潮劑放入到樣品室內并做好防塵處理才好。大部分單機型的分光光度計包含了驅動儀器運行和管理數據的軟件。與PC機一起聯用，需要從制造商購買軟件。中端紫外可見分光光度計廠家供應</p><p style="text-indent:25px">為了選擇合適的狹縫寬度，應以減少狹縫寬度時紫外分光光度計試樣的吸光度不再增加為準。紫外可見分光光度計廠家供應</p><p style="text-indent:25px">儀器儀表行業(yè)本身是一個加入，產出周期較長的行業(yè)，所以作為業(yè)內廠家，一方面要尋找中、短期市場熱點，另一方面也要在產品、技術研發(fā)方面有長遠的規(guī)劃;隨著互聯網的逐步發(fā)展，為分光光度計，氣相色譜，原子吸收，食品安全等產品的傳播提供了一個飛速的平臺。讓儀器儀表行業(yè)從傳統的銷售模式到以互聯網電子商務為主的營銷方式的轉變，促進了儀器儀表行業(yè)與互聯網的結合，推動產業(yè)創(chuàng)新發(fā)展。儀器儀表、電子元器件及相關的系統集成的生產、服務及銷售，計算機軟件開發(fā)及銷售，從事貨物進出口及技術進出口業(yè)務?！疽婪毥浥鷾实捻椖?，經相關部門批準后方可開展經營活動】儀器儀表、電子元器件及相關的系統集成的生產、服務及銷售，計算機軟件開發(fā)及銷售，從事貨物進出口及技術進出口業(yè)務?！疽婪毥浥鷾实捻椖?，經相關部門批準后方可開展經營活動】產品普遍運用于工業(yè)、農業(yè)、交通、科技、環(huán)保、**、文教衛(wèi)生、大家生活等各個領域，在旺盛市場需求的帶動下和我國宏觀調控政策的引導下，我國儀器儀表行業(yè)的發(fā)展有了長足的進步空間。儀器儀表在工業(yè)發(fā)展中具有重要作用，這也使得儀器儀表得到快讀發(fā)展。各行各業(yè)對儀器儀表的市場需求也在不斷提升，銷售企業(yè)正在發(fā)展中尋求技術創(chuàng)新和質量提升。儀器儀表的質量、性能關系到工業(yè)安全，必須重視。紫外可見分光光度計廠家供應</p><p style="text-indent:25px">上海儀電分析儀器有限公司辦公設施齊全，辦公環(huán)境優(yōu)越，為員工打造良好的辦公環(huán)境。在儀電分析近多年發(fā)展歷史，公司旗下現有品牌儀電分析,上分等。我公司擁有強大的技術實力，多年來一直專注于儀器儀表、電子元器件及相關的系統集成的生產、服務及銷售，計算機軟件開發(fā)及銷售，從事貨物進出口及技術進出口業(yè)務?！疽婪毥浥鷾实捻椖?，經相關部門批準后方可開展經營活動】儀器儀表、電子元器件及相關的系統集成的生產、服務及銷售，計算機軟件開發(fā)及銷售，從事貨物進出口及技術進出口業(yè)務?！疽婪毥浥鷾实捻椖?，經相關部門批準后方可開展經營活動】的發(fā)展和創(chuàng)新，打造高指標產品和服務。自公司成立以來，一直秉承“以質量求生存，以信譽求發(fā)展”的經營理念，始終堅持以客戶的需求和滿意為重點，為客戶提供良好的分光光度計，氣相色譜，原子吸收，食品安全，從而使公司不斷發(fā)展壯大。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1990541.html</p></div></div></div></div></div><div id="n3qpabc" class="page-right twoColRt"><div id="m82ulx7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="u8uvw7l" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" 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