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class="proBig"><div id="bkugipg" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991326259040/7441452.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="kzrt4qx" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991326259040/7441452.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="hcrjvce" 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)品關鍵詞：</span>工業(yè)原子吸收分光光度計賣價,原子吸收分光光度計</p><p><span>***更新：</span>2021-01-08 09:18:54</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="a8jgtl2" 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: </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: </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="xtli33y" class="page-proshow02"><p class="title">詳細說明</p><div id="ujqifhj" class="box"><p><p style="text-indent:25px">原子吸收分光光度計安全使用的前提條件：原子吸收分光光度計是基于從光源中輻射出的待測元素的特征光波通過樣品的原子蒸氣時，被蒸氣中待測元素的基態(tài)原子所吸收，使通過的光波強度削弱，依據(jù)光波強度削弱的程度，可以求出樣品中待測元素的含量。利用待測元素的共振輻射，通過其原子蒸汽，測定其吸光度的裝置稱為原子吸收分光光光源，原子化器，光學系統(tǒng)和檢測系統(tǒng)。它主要用于痕量元素雜質(zhì)的分析，具有靈敏度高，工業(yè)原子吸收分光光度計賣價、精確度好和選擇性好三大主要優(yōu)點。多應用于特種氣體，工業(yè)原子吸收分光光度計賣價，金屬有機化合物，金屬醇鹽中微量元素的分析，工業(yè)原子吸收分光光度計賣價。但是測定每種元素均需要相應的空心陰極燈，這對檢測工作帶來不便。原子吸收分光光度計應用不普遍。工業(yè)原子吸收分光光度計賣價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="工業(yè)原子吸收分光光度計賣價,原子吸收分光光度計" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991326259040/7441452.png"></div><p style="text-indent:25px">原子吸收分光光度計霧化器長處和故障處理：原子吸收分光光度計霧化器長處和毛病處理。1、限流進液管阻塞，一般堵在進口處，可用手指除掉，或用壓縮空氣反向吹通，或用注射器反向灌水。2.、吸入樣品溶液將盡時，管內(nèi)形成成串氣泡，阻力很大使吸入中止，用手指彈動進液管，使氣泡吸走，即可正常，也可用注射器吸走氣泡。3、霧化器內(nèi)管阻塞：長堵在接近噴口處，取下撞擊球帽，用壓縮空氣或注射器反向灌水沖掉阻塞物，決不行用金屬絲捅，不然將損壞霧化器。手持原子吸收分光光度計原子吸收分光光度計測定每種元素均需要相應的空心陰極燈，這對檢測工作帶來不便。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="工業(yè)原子吸收分光光度計賣價,原子吸收分光光度計" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991311337342/3521940.png"></div><p style="text-indent:25px">原子吸收分光光度計翻開乙炔鋼瓶總閥，查看是否漏氣，長按焚燒開關，直至焚燒成功。將進樣管放到裝有規(guī)范空白溶液的試劑瓶中，點擊"開端"按鈕，把進樣管放到不同的試劑瓶中吸取對應的溶液，并點擊"讀數(shù)"按鈕，點擊"打印機"按鈕，設置對應的參數(shù)，并點擊"打印預覽"按鈕，點擊打印。挑選主界面的Worksheet按鈕，挑選剖析菜單，點擊"火焰實用工具"按鈕，點擊"封閉元素燈"按鈕。封閉乙炔氣閥，焚燒，把管道中殘缺的乙炔焚燒完。封閉空氣壓縮機，封閉排水。封閉軟件，點擊"文件"按鈕，點擊"封閉所有文件"按鈕，點擊"EXIT"按鈕。封閉儀器主機電源，封閉通風器。</p><p style="text-indent:25px">原子吸收分光光度計和ICP的比較：原理：原子吸收分光光度計：經(jīng)過測定某一具有特定波長的光經(jīng)過試樣原子蒸氣后被吸收的多少來測定被測元素的含量的一種方法。選擇性強，簡潔、快速。因為其選用銳線光源，樣品不需要經(jīng)繁瑣的分離，可在同一溶液中直接測定多種元素，測定一個元素只需要數(shù)分鐘，分析操作簡潔、迅速。抗干擾能力強。原子吸收線數(shù)目少，光譜干擾少，一般不存在共存元素的光譜堆疊干擾。應用范圍廣?？蓽y60多種元素；既能用于微量分析又能用于超微量分析。另外，還可用直接的辦法測定非金屬元素和有機化合物。原子吸收分光光度計空氣—乙炔火焰原子吸收分光光度計。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="工業(yè)原子吸收分光光度計賣價,原子吸收分光光度計" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991268710095/3209448.png"></div><p style="text-indent:25px">原子吸收光譜儀又稱原子吸收分光光度計，根據(jù)物質(zhì)基態(tài)原子蒸汽對特征輻射吸收的作用來進行金屬元素分析。它能夠靈敏可靠地測定微量或痕量元素。氣態(tài)的原子能發(fā)射某些特征譜線，也能吸收同樣波長的這些譜線。這是歷史上用原子吸收光譜進行定性分析的一例證。很長一段時間，原子吸收主要局限于天體物理方面的研究，在分析化學中的應用未能引起重視，其主要原因是未找到可產(chǎn)生銳線光譜的光源。直至20世紀30年代，由于汞的多應用，對大氣中微量汞的測定曾利用原子吸收光譜原理設計了測汞儀，這是原子吸收在分析中的早應用。原子吸收分光光度計存在理化方面的干擾。手持原子吸收分光光度計</p><p style="text-indent:25px">原子吸收分光光度計多應用于各種氣體，金屬有機化合物，金屬醇鹽中微量元素的分析。工業(yè)原子吸收分光光度計賣價</p><p style="text-indent:25px">原子吸收分光光度計，所謂微量元素，在環(huán)境地球化學中，指*占地球組成部分的0.01的60余種元素，微量元素分析儀的合量一般在1×10-8~1×108。在醫(yī)學領域從人體結構來看，占人體總重量萬分之一以下者即為微量元素。什么是需微量元素和條性微量元素從營養(yǎng)化學、毒理學和環(huán)境污染等研討角度出發(fā)將微量元素分紅需微量元素或營養(yǎng)微量元素和毒性微量元素。原子吸收分光光度計微量元素分析儀廠家生產(chǎn)的微量元素分析儀需徵量元素是指能維持人體正常功用或結構所需的微量元素，每日只需攝入Q.01g以下，即能滿足人體生理功用的需求。工業(yè)原子吸收分光光度計賣價</p><p style="text-indent:25px">上海儀電分析儀器有限公司主要經(jīng)營范圍是儀器儀表，擁有一支專業(yè)技術團隊和良好的市場口碑。公司業(yè)務涵蓋分光光度計，氣相色譜，原子吸收，食品安全等，價格合理，品質(zhì)有保證。公司將不斷增強企業(yè)重點競爭力，努力學習行業(yè)知識，遵守行業(yè)規(guī)范，植根于儀器儀表行業(yè)的發(fā)展。在社會各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務體驗，為客戶成功提供堅實有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2757492.html</p></div></div></div></div></div><div id="lasp7d2" class="page-right twoColRt"><div id="2dprovm" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="hw3j3dn" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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