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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_fenxiyiqi/">分析儀器</a>?<a href="http://www.cdcfah.com/cp/third-fenxiyiqi_ysfxyq/">元素分析儀器</a>?三用原子吸收分光光度計儀器誠信互利上海儀電分析儀器供應</p><div id="zipbykr" class="leftbox clearfix"><h1>三用原子吸收分光光度計儀器誠信互利上海儀電分析儀器供應</h1><div id="h3b2sub" class="proBig"><div id="nubn29x" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991236161257/4858141.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zjbyacz" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991236161257/4858141.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="m8qk7zv" 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>產品關鍵詞：</span>三用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>2021-01-11 03:14:11</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="2aj8t2j" 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="u7pm2kg" class="page-proshow02"><p class="title">詳細說明</p><div id="npqspwy" class="box"><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。火焰原子化法的優(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，三用原子吸收分光光度計儀器。缺點是：原子化效率低，三用原子吸收分光光度計儀器，靈敏度不夠高，三用原子吸收分光光度計儀器，而且一般不能直接分析固體樣品。很長一段時間，原子吸收主要局限于天體物理方面的研究。三用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="三用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/ydfx123/637419991236161257/4858141.png"></div><p style="text-indent:25px">原子吸收分光光度計在日常作業(yè)中應經常檢查乙炔鋼瓶與減壓閥連接是否結實無漏氣。留意燃燒、關火次序。燃燒后操作人員不得離開！在當天不必儀器操作時,請將乙炔管道里的剩下氣體燃燒完，即直接關乙炔總開關再管空氣。帶石墨爐的儀器必定要留意用電安全,因為會運用380V動力電，加熱時瞬間會發(fā)生很大的電流,所以在石墨爐處于作業(yè)狀況時，不要直接觸碰爐體部分，避免造成風險.在做試驗時隨時調查氬氣的總壓力和內氣流量計的流量,以確保石墨管可以長期運用和試驗的準確和一致性。原子吸收分光光度計報價火焰有多種火焰，目前普遍應用的是空氣—乙炔火焰。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="三用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/ydfx123/637419988188495975/1516361.png"></div><p style="text-indent:25px">原子吸收分光光度計是使用多的原子化器，但它很大的缺陷是原子化效率不高，原子蒸氣停留時刻短，因而火焰中的自在原子濃度很低。原因是霧化效率低，待測物遭到大量氣體的稀釋，以及金屬原子在火焰中易受氧化作用生成熱安穩(wěn)的難熔氧化物。另一個存在的問題是火焰中的化學反應不易控制，造成火焰溫度不安穩(wěn)，火焰各部分的溫度也是不均勻的應非原子吸收分光光度計能夠進步原子化效率，進步測量的靈敏度。進樣量過小，吸收信號弱，不便于測量；進樣量過大，在火焰原子化法中，對火焰發(fā)生冷卻效應，在原子吸收分光光度計中，會增加除殘的困難。在實際作業(yè)中，應測定吸光度隨進樣量的變化，到達很滿意的吸光度的進樣量，即為應挑選的進樣量。</p><p style="text-indent:25px">原子吸收分光光度計每次燃燒前檢查廢液管是否打好水封；確認水封無誤時方可開機燃燒。乙炔鋼瓶放置在接近儀器室的房間內，保持空氣流通，并應有防火標識。必定要運用的乙炔**減壓閥，并裝有防回火設備。乙炔減壓閥的出口壓力為0.07MPa，不能大于0.1MPa，空氣出口壓力在0.25-0.3MPa。鋼瓶壓力顯示低于0.3MPa時要更換新瓶。乙炔氣源鄰近禁止明火或過熱高溫物體寄存，乙炔氣源不應與氧化性氣源同放。排放的廢液應及時傾倒處理或與當?shù)丨h(huán)保部門。禁止帶電插拔數(shù)據(jù)線纜。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="三用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/ydfx123/637419988105282341/1372565.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，在焦面上構成一個二維色散圖像。這種光柵分辨率較高，可達0.002nm，結構細巧。中階梯光柵單色器結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。原子吸收分光光度計一般可檢測到PPm級（10-6）。生產原子吸收分光光度計銷售廠家</p><p style="text-indent:25px">原子吸收分光光度計主要原因是未找到可產生銳線光譜的光源。三用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該經常維護保養(yǎng)。3、一旦儀器的報警器發(fā)出聲音,應當即關掉氣源，并關機。4、請您隨時留意，一旦發(fā)生異味，請當即切斷電源，關掉乙炔鋼瓶總閥門。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。三用原子吸收分光光度計儀器</p><p style="text-indent:25px">上海儀電分析儀器有限公司是一家儀器儀表、電子元器件及相關的系統(tǒng)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(tǒng)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】的公司，致力于發(fā)展為創(chuàng)新務實、誠實可信的企業(yè)。儀電分析深耕行業(yè)多年，始終以客戶的需求為向導，為客戶提供***的分光光度計，氣相色譜，原子吸收，食品安全。儀電分析始終以本分踏實的精神和必勝的信念，影響并帶動團隊取得成功。儀電分析創(chuàng)始人湯志東，始終關注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2792935.html</p></div></div></div></div></div><div id="mwiar1h" class="page-right twoColRt"><div id="xtag9ne" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="i7dfhov" 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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