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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>?民用原子吸收分光光度計(jì)廠家供應(yīng) 真誠(chéng)推薦上海儀電分析儀器供應(yīng)</p><div id="pvrd23c" class="leftbox clearfix"><h1>民用原子吸收分光光度計(jì)廠家供應(yīng) 真誠(chéng)推薦上海儀電分析儀器供應(yīng)</h1><div id="dxz33uc" class="proBig"><div id="zoqnuri" 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="pjgikwi" 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="8xogiu3" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>民用原子吸收分光光度計(jì)廠家供應(yīng),原子吸收分光光度計(jì)</p><p><span>***更新：</span>2021-01-06 00:21:35</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="luwoq78" 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(jī): </span>021-34530361</p><p><span>地址: </span>徐塘路88號(hào)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="qeln32a" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="bq8k88t" class="box"><p><p style="text-indent:25px">通常情況下，原子處于基態(tài)。當(dāng)相當(dāng)于原子中的電子由基態(tài)躍遷到激發(fā)態(tài)所需求的輻射頻率經(jīng)過原子蒸氣，原子就能從入射輻射中吸收能量，發(fā)生共振吸收，然后發(fā)生吸收光譜，民用原子吸收分光光度計(jì)廠家供應(yīng)。原子吸收剖析便是使用基態(tài)原子對(duì)特征輻射的吸收程度的，常使用強(qiáng)吸收線作為剖析線。原子吸收光譜儀由以下四部分組成光源系統(tǒng):空心陰燈原子化系統(tǒng):火焰原子化器;原子吸收分光光度計(jì)或氫化物發(fā)生器。分光系統(tǒng)：?jiǎn)紊鳈z測(cè)系統(tǒng)：光電倍增管等。原子吸收分光光度計(jì)的長(zhǎng)處是:原子化效率高，民用原子吸收分光光度計(jì)廠家供應(yīng)，民用原子吸收分光光度計(jì)廠家供應(yīng)，在可調(diào)的高溫下試樣使用率達(dá)100，活絡(luò)度高，試樣用量少，適用于難熔元素的測(cè)定。缺陷是:試樣組成不均勻性的影響較大，測(cè)定度較低，共存化合物的攪擾比火焰原子化法大，攪擾布景比較嚴(yán)重，一般都需求校正布景。氣態(tài)的原子能發(fā)射某些特征譜線，也能吸收同樣波長(zhǎng)的這些譜線。民用原子吸收分光光度計(jì)廠家供應(yīng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="民用原子吸收分光光度計(jì)廠家供應(yīng),原子吸收分光光度計(jì)" 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(jì)噴口氣流通道阻塞：可取下撞擊球帽用反向氣流或水沖刷，也可用注射器灌水沖刷。噴口內(nèi)管或氣流通道被有機(jī)質(zhì)、積累的灰塵或干涸的鹽類等阻塞，可取下撞擊球帽將噴口刺進(jìn)加熱或發(fā)煙的硫酸－重鉻酸鉀溶液中幾秒鐘，冷后用水沖刷（留意：不行使洗液進(jìn)入霧化器內(nèi)部），運(yùn)用半年以上或發(fā)現(xiàn)流量削減，也應(yīng)照此處理。原子吸收分光光度計(jì)每次運(yùn)用結(jié)束，用蒸餾水吸噴2～3分鐘（不行用自來水防止溶液干涸阻塞）。工作室溫不行低于10度，不然噴口的降溫效果可使溶液結(jié)冰阻塞霧化器。建材原子吸收分光光度計(jì)比較原子吸收分光光度計(jì)即每種待測(cè)元素都要有一個(gè)能發(fā)射特定波長(zhǎng)譜線的光源。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="民用原子吸收分光光度計(jì)廠家供應(yīng),原子吸收分光光度計(jì)" 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(jì)做火焰剖析時(shí)，如果發(fā)生回火，應(yīng)立即封閉燃?xì)?，避免引起傷害，確保人身和產(chǎn)業(yè)的安危。然后再將儀器開關(guān)、調(diào)節(jié)設(shè)備恢復(fù)到發(fā)動(dòng)前的狀況，待查明回火原因并采納相應(yīng)措施后再持續(xù)使用。在做石墨爐剖析時(shí)，如遇到突然停水，應(yīng)敏捷切斷主電源，避免燒壞石墨爐。儀器工作時(shí)，如果遇到突然停電，此刻如正在做火焰剖析，則應(yīng)敏捷封閉燃?xì)?若正在做石墨爐剖析時(shí)，則敏捷切斷主機(jī)電源;然后將儀器各部分的操控機(jī)構(gòu)恢復(fù)到停機(jī)狀況，待通電后，再按儀器的操作程序重新開啟。</p><p style="text-indent:25px">哪些是原子吸收分光光度計(jì)的特點(diǎn)?原子吸收分光光度計(jì)(AAS)簡(jiǎn)稱原子吸收法，是使用被測(cè)元素基態(tài)原子蒸氣對(duì)其共振輻射線的吸收特性進(jìn)行元素定量剖析的方法。原子吸收分光光度計(jì)具有以下特色：①靈敏度高：慣例剖析法對(duì)大多數(shù)元素可到達(dá)ppm級(jí);使用特別手法可到達(dá)ppb級(jí)的濃度范圍;②精密度好：一般測(cè)定RSD約為1%～3%，使用特別方法精密度可小于1%。③使用范圍廣：周期表中70多種元素可使用該法測(cè)定：④干擾少：原子吸收光譜為分立的銳線光譜，且譜線堆疊性少，干擾性小;⑤試樣用量少：選用石墨爐無火焰原子吸收法，每次丈量*需5～20μl試液或0.05～10mg的固體試樣;⑥快速簡(jiǎn)潔，易于自動(dòng)化：液體試樣?？芍苯舆M(jìn)樣，一般樣品無需進(jìn)行預(yù)別離處理，新型號(hào)產(chǎn)品儀器的進(jìn)樣和測(cè)定步驟全部自動(dòng)化完成。原子吸收分光光度計(jì)，就有原子吸收分光光度計(jì)和帶石墨爐的原子吸收分光光度計(jì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="民用原子吸收分光光度計(jì)廠家供應(yīng),原子吸收分光光度計(jì)" 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(jì)Stockdale雙光束光學(xué)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(dòng)或滾動(dòng)的反射鏡，反射鏡驅(qū)離光路時(shí)光束全部經(jīng)過原子化器，反射鏡移入光路時(shí)，光源輻射繞過原子化器完全進(jìn)入單色器，并將此光信號(hào)作為參閱光束，與樣品光束分別測(cè)量運(yùn)算。在測(cè)定時(shí)間內(nèi)重復(fù)地將這對(duì)反射鏡移入和驅(qū)離光路，到達(dá)雙光束的效果。這樣的雙光束體系不削減進(jìn)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(bǔ)償效果。原子吸收分光光度計(jì)能夠靈敏可靠地測(cè)定微量或痕量元素。上海**原子吸收分光光度計(jì)性價(jià)比</p><p style="text-indent:25px">原子吸收分光光度計(jì)主要用于痕量元素雜質(zhì)的分析。民用原子吸收分光光度計(jì)廠家供應(yīng)</p><p style="text-indent:25px">原子吸收分光光度計(jì)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(jī)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(jì)輸出打印體系和數(shù)據(jù)處理體系。該體系是決定整機(jī)自動(dòng)化程度的要害部件，可以直接影響紫外可見分光光度計(jì)的質(zhì)量。原子吸收分光光度計(jì)操作注意事項(xiàng):留意進(jìn)樣針的清洗,如果是進(jìn)樣針沾污或許導(dǎo)致液體由于分子張力直接沿著進(jìn)樣針向上走,不能全部加入到管中.留意由于石墨管進(jìn)樣空大小改變,跟著加熱次數(shù)增加,會(huì)有積碳在進(jìn)樣孔結(jié)塊,導(dǎo)致孔變小,導(dǎo)致樣品加入時(shí)不能加入到管壁外面,乃至或許會(huì)呈現(xiàn)進(jìn)樣針插不進(jìn)管子。民用原子吸收分光光度計(jì)廠家供應(yīng)</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(hào)7幢4層、9幢。公司業(yè)務(wù)分為分光光度計(jì)，氣相色譜，原子吸收，食品安全等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造儀器儀表良好品牌。儀電分析秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2717080.html</p></div></div></div></div></div><div id="hg2wqjo" class="page-right twoColRt"><div id="e3eg7tr" class="box01 margin10 clearfix"><h3><a 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