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#f30;"></span></p><p><span>產品關鍵詞：</span>建材原子吸收分光光度計經銷商,原子吸收分光光度計</p><p><span>***更新：</span>2021-01-16 02:11:47</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="bvsu2cr" 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="u2j88jo" class="page-proshow02"><p class="title">詳細說明</p><div id="ekfx2pr" class="box"><p><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，根據物質基態(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)，建材原子吸收分光光度計經銷商、試樣原子化器、單色儀和數(shù)據處理系統(tǒng)(包括光電轉換器及相應的檢測裝置)。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，建材原子吸收分光光度計經銷商，建材原子吸收分光光度計經銷商。在一定濃度范圍內，其吸收強度與試液中被的含量成正比。原子吸收分光光度計根據物質基態(tài)原子蒸汽對特征輻射吸收的作用來進行金屬元素分析。建材原子吸收分光光度計經銷商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="建材原子吸收分光光度計經銷商,原子吸收分光光度計" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988246893719/5353894.png"></div><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：經過測定某一具有特定波長的光經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。可測60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選擇電熱原子化器普遍應用的是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="建材原子吸收分光光度計經銷商,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">原子吸收在食品分析中越來越多。食品和飲料中的20多種元素已有滿意的原子吸收分析方法。生化和臨床樣品中必需元素和有害元素的分析現(xiàn)已采用原子吸收法。有關石油產品、陶瓷、農業(yè)樣品、藥物和涂料中金屬元素的原子吸收分析的文獻報道近些年來越來越多。水體和大氣等環(huán)境樣品的微量金屬元素分析已成為原子吸收分析的重要領域之一。利用間接原子吸收法尚可測定某些非金屬元素。有機物分析中的應用：利用間接法可以測定多種有機物。8-羥基喹啉(Cu)、醇類(Cr)、醛類(Ag)、酯類(Fe)、酚類(Fe)、聯(lián)乙酰(Ni)、酞酸(Cu)、脂肪胺(co)、氨基酸(Cu)、維生素C(Ni)、氨茴酸(Co)、雷米封(Cu)、甲酸奎寧(Zn)、有機酸酐(Fe)、苯甲基青霉素(Cu)、葡萄糖(Ca)、環(huán)氧化物水解酶(PbO、含鹵素的有機化合物(Ag)等多種有機物，均通過與相應的金屬元素之間的化學計量反應而間接測定。</p><p style="text-indent:25px">金屬化學形態(tài)分析中的應用：通過氣相色譜和液體色譜分離然后以原子吸收光譜加以測定，可以分析同種金屬元素的不同有機化合物。例如汽油中5種烷基鉛，大氣中的5種烷基鉛、烷基硒、烷基胂、烷基錫，水體中的烷基胂、烷基鉛、烷基揭、烷基汞、有機鉻，生物中的烷基鉛、烷基汞、有機鋅、有機銅等多種金屬有機化合物，均可通過不同類型的光譜原子吸收聯(lián)用方式加以鑒別和測定?？傠娫粗甘緹舨涣凉收显颍簝x器電源線斷路或接觸不良2.儀器保險絲熔斷3.保險管接觸不良。1970年北京科學儀器廠試制成WFD-Y1型單光束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="建材原子吸收分光光度計經銷商,原子吸收分光光度計" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991385859509/5179129.png"></div><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、化工、農業(yè)等領域，主要從事環(huán)境和產品中金屬物質的檢驗以及科學研制的質量操控等工作。元素在熱解石墨爐中被加熱原子化，成為基態(tài)原子蒸汽。食品安全原子吸收分光光度計單價</p><p style="text-indent:25px">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。建材原子吸收分光光度計經銷商</p><p style="text-indent:25px">原子吸收光譜分析工作原理：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度計。它有單光束，雙光束，雙波道，多波道等結構形式。其基本結構包括光源，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的分析，具有靈敏度高及選擇性好兩大主要優(yōu)點。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。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?；鹧嬖踊ǖ膬?yōu)點是：火焰原子化法的操作簡便，重現(xiàn)性好，有效光程大，對大多數(shù)元素有較高靈敏度，因此應用多。缺點是：原子化效率低，靈敏度不夠高，而且一般不能直接分析固體樣品。建材原子吸收分光光度計經銷商</p><p style="text-indent:25px">上海儀電分析儀器有限公司位于徐塘路88號7幢4層、9幢。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，品質有保證。公司從事儀器儀表多年，有著創(chuàng)新的設計、強大的技術，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產品及服務。儀電分析立足于全國市場，依托強大的研發(fā)實力，融合前沿的技術理念，飛快響應客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2864198.html</p></div></div></div></div></div><div id="nsph774" class="page-right twoColRt"><div id="vkhujf8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8kgdpbx" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="wgnf8xe" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" 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