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clearfix"><h1>車載原子吸收分光光度計經(jīng)銷商服務(wù)為先上海儀電分析儀器供應(yīng)</h1><div id="3fm3mtv" class="proBig"><div id="7nelc3f" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988150712025/4463747.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="mlsp8pt" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988150712025/4463747.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8bspwi8" 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>車載原子吸收分光光度計經(jīng)銷商,原子吸收分光光度計</p><p><span>***更新：</span>2021-01-18 06:10:33</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="rvs7ykw" 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="hbdpwnu" class="page-proshow02"><p class="title">詳細說明</p><div id="tn3cof3" class="box"><p><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(guān)，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(yīng)的溶液，并點擊"讀數(shù)"按鈕，點擊"打印機"按鈕，設(shè)置對應(yīng)的參數(shù)，并點擊"打印預(yù)覽"按鈕，點擊打印。挑選主界面的Worksheet按鈕，車載原子吸收分光光度計經(jīng)銷商，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，車載原子吸收分光光度計經(jīng)銷商，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，車載原子吸收分光光度計經(jīng)銷商，封閉通風器?；鹧嬗卸喾N火焰，目前普遍應(yīng)用的是空氣—乙炔火焰。車載原子吸收分光光度計經(jīng)銷商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="車載原子吸收分光光度計經(jīng)銷商,原子吸收分光光度計" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988150712025/4463747.png"></div><p style="text-indent:25px">石墨爐原子吸收分光光度計，可以測定近50種元素。石墨爐法，進樣量少，靈敏度高，有的元素也可以分析到pg/mL級。元素在熱解石墨爐中被加熱原子化，成為基態(tài)原子蒸汽，對空心陰極燈發(fā)射的特征輻射進行選擇性吸收。在一定濃度范圍內(nèi)，其吸收強度與試液中被測元素的含量成正比。其定量關(guān)系可用郎伯-比耳定律，A=-lgI/Io=-lgT=KCL，式中I為透射光強度；I0為發(fā)射光強度；T為透射比；L為光通過原子化器光程(長度)，每臺儀器的L值是固定的；C是被測樣品濃度；所以A=KC。環(huán)境檢測原子吸收分光光度計設(shè)備原子吸收光譜分析工作原理：利用待測元素的共振輻射。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="車載原子吸收分光光度計經(jīng)銷商,原子吸收分光光度計" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988134237392/1056352.png"></div><p style="text-indent:25px">原子吸收光譜分析，由于其靈敏度高、干擾少、分析方法簡單快速，現(xiàn)已多地應(yīng)用于工業(yè)、農(nóng)業(yè)、生化、地質(zhì)、冶金、食品、環(huán)保等各個領(lǐng)域，目前原子吸收已成為金屬元素分析的強有力工具之一，而且在許多領(lǐng)域已作為標準分析方法。原子吸收光譜分析的特點決定了它在地質(zhì)和冶金分析中的重要地位，它不*取代了許多一般的濕法化學分析，而且還與X-射線熒光分析，甚至與中子活化分析有著同等的地位。目前原子吸收法已用來測定地質(zhì)樣品中70多種元素，并且大部分能夠達到足夠的靈敏度和很好的精密度。鋼鐵、合金和高純金屬中多種痕量元素的分析現(xiàn)在也多用原子吸收法。</p><p style="text-indent:25px">原子吸收分光光度計Stockdale雙光束光學體系：Stockdale雙光束儀器，其作業(yè)原理是在光束經(jīng)過途徑的原子化器前方和后方分別添加一塊可以移動或滾動的反射鏡，反射鏡驅(qū)離光路時光束全部經(jīng)過原子化器，反射鏡移入光路時，光源輻射繞過原子化器完全進入單色器，并將此光信號作為參閱光束，與樣品光束分別測量運算。在測定時間內(nèi)重復(fù)地將這對反射鏡移入和驅(qū)離光路，到達雙光束的效果。這樣的雙光束體系不削減進入分光體系的光能量，能獲得較好的信噪比，關(guān)于緩慢的基線漂移有很好的補償效果。原子吸收分光光度計測定的元素可達70多種。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="車載原子吸收分光光度計經(jīng)銷商,原子吸收分光光度計" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988188495975/1516361.png"></div><p style="text-indent:25px">原子吸收分光光度計電子體系。在該體系中首要有放大器和A/D變換器等組成，其間放大器便是影響整機靈敏度和穩(wěn)定性的首要相關(guān)部件。原子吸收分光光度計輸出打印體系和數(shù)據(jù)處理體系。該體系是決定整機自動化程度的要害部件，可以直接影響紫外可見分光光度計的質(zhì)量。原子吸收分光光度計操作注意事項:留意進樣針的清洗,如果是進樣針沾污或許導(dǎo)致液體由于分子張力直接沿著進樣針向上走,不能全部加入到管中.留意由于石墨管進樣空大小改變,跟著加熱次數(shù)增加,會有積碳在進樣孔結(jié)塊,導(dǎo)致孔變小,導(dǎo)致樣品加入時不能加入到管壁外面,乃至或許會呈現(xiàn)進樣針插不進管子?；鹧嬖游辗止夤舛扔嬋秉c是：原子化效率低，靈敏度不夠高。生產(chǎn)原子吸收分光光度計廠家供應(yīng)</p><p style="text-indent:25px">原子吸收分光光度計多應(yīng)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。車載原子吸收分光光度計經(jīng)銷商</p><p style="text-indent:25px">原子吸收分光光度計剖析是現(xiàn)在很靈敏的方法之一?；鹧嬖游盏南鄬`敏度為ug/ml-ng/ml，無火焰原子吸收分光光度計的肯定靈敏度在10-10-10-14之間。如果采取預(yù)富集，可進一步進步剖析靈敏度。因為該方法的靈敏度高，使剖析手續(xù)簡化可直接測定，則縮短剖析周期加快丈量進程。因為靈敏度高，則需樣量少。微量進樣熱核的引進，可使火趣味的需樣量少至20-300ul。無火焰原子吸收分光光度計剖析的需樣量*5–100ul。固體直接進樣石墨爐原子吸收法*需0.005-30mg，這關(guān)于實驗來歷困難的剖析是很為有利的。車載原子吸收分光光度計經(jīng)銷商</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)型公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下分光光度計，氣相色譜，原子吸收，食品安全深受客戶的喜愛。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造儀器儀表良好品牌。儀電分析憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2898086.html</p></div></div></div></div></div><div id="s8nhoqc" class="page-right twoColRt"><div id="bvce8u2" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3my32cb" class="recomPic likePro"><a 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