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class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="esphwip" class="twoCol"><div id="z3ubdkw" 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>?民用原子吸收分光光度計(jì)比較鑄造輝煌上海儀電分析儀器供應(yīng)</p><div id="utam8jz" class="leftbox clearfix"><h1>民用原子吸收分光光度計(jì)比較鑄造輝煌上海儀電分析儀器供應(yīng)</h1><div id="t8772tv" class="proBig"><div id="dxjlnuw" 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="pz2qi3w" 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="qvxjgnk" 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)比較,原子吸收分光光度計(jì)</p><p><span>***更新：</span>2021-01-20 02:11:48</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="3k2l3n7" 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="a23oiur" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3oiu2lf" class="box"><p><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，民用原子吸收分光光度計(jì)比較。有關(guān)石油產(chǎn)品、陶瓷、農(nóng)業(yè)樣品、藥物和涂料中金屬元素的原子吸收分析的文獻(xiàn)報(bào)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(lǐng)域之一。利用間接原子吸收法尚可測(cè)定某些非金屬元素。有機(jī)物分析中的應(yīng)用：利用間接法可以測(cè)定多種有機(jī)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(jī)酸酐(Fe)、苯甲基青霉素(Cu)、葡萄糖(Ca)，民用原子吸收分光光度計(jì)比較，民用原子吸收分光光度計(jì)比較、環(huán)氧化物水解酶(PbO、含鹵素的有機(jī)化合物(Ag)等多種有機(jī)物，均通過與相應(yīng)的金屬元素之間的化學(xué)計(jì)量反應(yīng)而間接測(cè)定。原子化往往是將溶液噴霧到火焰中去實(shí)現(xiàn)。民用原子吸收分光光度計(jì)比較</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)比較,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)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。環(huán)保原子吸收分光光度計(jì)銷售廠家原子吸收分光光度計(jì)在分析化學(xué)中的應(yīng)用未能引起重視。</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)比較,原子吸收分光光度計(jì)" 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(jì)剖析是現(xiàn)在很靈敏的方法之一?；鹧嬖游盏南鄬?duì)靈敏度為ug/ml-ng/ml，無火焰原子吸收分光光度計(jì)的肯定靈敏度在10-10-10-14之間。如果采取預(yù)富集，可進(jìn)一步進(jìn)步剖析靈敏度。因?yàn)樵摲椒ǖ撵`敏度高，使剖析手續(xù)簡(jiǎn)化可直接測(cè)定，則縮短剖析周期加快丈量進(jìn)程。因?yàn)殪`敏度高，則需樣量少。微量進(jìn)樣熱核的引進(jìn)，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(jì)剖析的需樣量*5–100ul。固體直接進(jìn)樣石墨爐原子吸收法*需0.005-30mg，這關(guān)于實(shí)驗(yàn)來歷困難的剖析是很為有利的。</p><p style="text-indent:25px">金屬化學(xué)形態(tài)分析中的應(yīng)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(cè)定，可以分析同種金屬元素的不同有機(jī)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(jī)鉻，生物中的烷基鉛、烷基汞、有機(jī)鋅、有機(jī)銅等多種金屬有機(jī)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(cè)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(xiǎn)絲熔斷3.保險(xiǎn)管接觸不良。原子吸收分光光度計(jì)采用新的電子技術(shù)。</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)比較,原子吸收分光光度計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991291551872/1267970.png"></div><p style="text-indent:25px">原子吸收分光光度計(jì)和ICP的比較：原理：原子吸收分光光度計(jì)：經(jīng)過測(cè)定某一具有特定波長的光經(jīng)過試樣原子蒸氣后被吸收的多少來測(cè)定被測(cè)元素的含量的一種方法。選擇性強(qiáng)，簡(jiǎn)潔、快速。因?yàn)槠溥x用銳線光源，樣品不需要經(jīng)繁瑣的分離，可在同一溶液中直接測(cè)定多種元素，測(cè)定一個(gè)元素只需要數(shù)分鐘，分析操作簡(jiǎn)潔、迅速。抗干擾能力強(qiáng)。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(yīng)用范圍廣?？蓽y(cè)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(cè)定非金屬元素和有機(jī)化合物。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。工業(yè)原子吸收分光光度計(jì)比較</p><p style="text-indent:25px">原子吸收分光光度計(jì)使儀器顯示數(shù)字化、進(jìn)樣自動(dòng)化。民用原子吸收分光光度計(jì)比較</p><p style="text-indent:25px">原子吸收分光光度計(jì)的工作原理：原子吸收光譜儀又稱原子吸收分光光度計(jì)，根據(jù)物質(zhì)基態(tài)原子蒸汽對(duì)特征輻射吸收的作用來進(jìn)行金屬元素分析。它能夠靈敏可靠地測(cè)定微量或痕量元素。原子吸收分光光度計(jì)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(cè)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(duì)空心陰極燈發(fā)射的特征輻射進(jìn)行選擇性吸收。在一定濃度范圍內(nèi)，其吸收強(qiáng)度與試液中被的含量成正比。民用原子吸收分光光度計(jì)比較</p></p><br /><p>文章來源地址: 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