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class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_yiqiyibiao/">儀器儀表</a>?<a href="http://www.cdcfah.com/cp/second-yiqiyibiao_fenxiyiqi/">分析儀器</a>?<a href="http://www.cdcfah.com/cp/third-fenxiyiqi_ysfxyq/">元素分析儀器</a>?上海原子吸收分光光度計儀器歡迎咨詢上海儀電分析儀器供應(yīng)</p><div id="83zprti" class="leftbox clearfix"><h1>上海原子吸收分光光度計儀器歡迎咨詢上海儀電分析儀器供應(yīng)</h1><div id="gfxewik" class="proBig"><div id="ujliprd" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988163192494/7997740.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="laspgsp" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988163192494/7997740.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="q3fh8dq" 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>上海原子吸收分光光度計儀器,原子吸收分光光度計</p><p><span>***更新：</span>2021-01-26 10:17:14</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="fubt8zg" 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(dāng)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="wlifmt8" class="page-proshow02"><p class="title">詳細說明</p><div id="7tpmo37" class="box"><p><p style="text-indent:25px">原子吸收分光光度計光譜攪擾：光譜攪擾包含譜線堆疊、光譜通帶內(nèi)存在非吸收線、原子化池內(nèi)的直流發(fā)射、分子吸收、光散射等。當(dāng)采用銳線光源和交流調(diào)制技能時，**種要素一般能夠不予考慮，首要考慮分子吸收和光散射的影響，它們是構(gòu)成光譜背景的首要要素。電感耦合等離子發(fā)射光譜儀：是以射頻發(fā)生器供給的高頻能量加到感應(yīng)耦合線圈上，并將等離子炬管置于該線圈中間，因而在炬管中發(fā)生高頻電磁場，用微電火花點燃，使通入炬管中的氬氣電離，發(fā)生電子和離子而導(dǎo)電，導(dǎo)電的氣體受高頻電磁場效果，構(gòu)成與耦合線圈同心的渦流區(qū)，強壯的電流發(fā)生的高熱，上海原子吸收分光光度計儀器，上海原子吸收分光光度計儀器，從而構(gòu)成火炬形狀的并可以自我克制的等離子體，由于高頻電流的趨膚效應(yīng)及內(nèi)管載氣的效果，上海原子吸收分光光度計儀器，使等離子體呈環(huán)狀結(jié)構(gòu)。原子吸收分光光度計定量關(guān)系可用郎伯-比耳定律。上海原子吸收分光光度計儀器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海原子吸收分光光度計儀器,原子吸收分光光度計" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988163192494/7997740.png"></div><p style="text-indent:25px">原子吸收分光光度計的工作原理：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。原子吸收分光光度計一般由四大部分組成，即光源(單色銳線輻射源)、試樣原子化器、單色儀和數(shù)據(jù)處理系統(tǒng)(包括光電轉(zhuǎn)換器及相應(yīng)的檢測裝置)。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的含量成正比。全自動原子吸收分光光度計設(shè)備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="上海原子吸收分光光度計儀器,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">原子吸收分光光度計的常見體系種類有哪些？DEMONA分光體系：中階梯光柵單色器的應(yīng)用越來越多中階。梯光柵單色器在次光譜區(qū)作業(yè)，次光譜自在光譜區(qū)很小，為了將不同級次的堆疊光譜分隔，通常采取穿插色散（在中階梯光柵光路的前方或后方添加首級輔助色散元件），使譜線色散方向和譜級散開方向正交，在焦面上構(gòu)成一個二維色散圖像。這種光柵分辨率較高，可達0.002nm，結(jié)構(gòu)細巧。中階梯光柵單色器結(jié)合面陣檢測器可一起接納整個作業(yè)波段范圍的光譜可完成快速多元素一起測定。</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(xué)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、精確度好和選擇性好三大主要優(yōu)點。多應(yīng)用于特種氣體，金屬有機化合物，金屬醇鹽中微量元素的分析。但是測定每種元素均需要相應(yīng)的空心陰極燈，這對檢測工作帶來不便?；鹧嬖游辗止夤舛扔媽Υ蠖鄶?shù)元素有較高靈敏度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海原子吸收分光光度計儀器,原子吸收分光光度計" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988085019176/8464581.png"></div><p style="text-indent:25px">原子吸收分光光度計的安全運用留意事項：1、在運輸過程中遭到劇烈碰擊的儀器，主機不能冒然通電。2、長期在惡劣條件寄存的儀器應(yīng)該經(jīng)常維護保養(yǎng)。3、一旦儀器的報警器發(fā)出聲音,應(yīng)當(dāng)即關(guān)掉氣源，并關(guān)機。4、請您隨時留意，一旦發(fā)生異味，請當(dāng)即切斷電源，關(guān)掉乙炔鋼瓶總閥門。請將空壓機的空氣管插入燃氣管道中，并涂改肥皂水以檢查燃氣管道各接頭是否漏氣，特別應(yīng)該檢查霧化筒后部的防爆塞是否密封無缺，決不能在發(fā)生漏氣時燃燒操作，否則容易發(fā)生回火爆。原子吸收分光光度計由于儀器使用中，需用乙炔、氫氣、氬氣、氧化亞氮（俗稱笑氣）等。上海原子吸收分光光度計儀器</p><p style="text-indent:25px">原子吸收分光光度計通過其原子蒸汽，測定其吸光度的裝置稱為原子吸收分光光度計。上海原子吸收分光光度計儀器</p><p style="text-indent:25px">原子吸收分光光度計的開展：1981年原子吸收分光光度計完成操作自動化。1984年首臺連續(xù)氫化物發(fā)生器面世。1990年推出世界上先進的MarkV1焰燃燒頭。1995年在線火焰自動進樣器（SIPS8）研制成功并投入運用。1998年首臺快速剖析火焰原子吸收220FS誕生。2002年世界上**火焰和石墨爐同時剖析的原子吸收光譜儀出產(chǎn)并投放市場。原子吸收分光光度計怎樣用才正確？該崗位群主要是散布于冶金、環(huán)保、食物、制藥、醫(yī)療衛(wèi)生、化學(xué)、化工、農(nóng)業(yè)等領(lǐng)域，主要從事環(huán)境和產(chǎn)品中金屬物質(zhì)的檢驗以及科學(xué)研制的質(zhì)量操控等工作。上海原子吸收分光光度計儀器</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3020068.html</p></div></div></div></div></div><div id="v7fvx9n" class="page-right twoColRt"><div id="gvnk32k" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="smtfhgs" 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(yīng)" class="vcenter" 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