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class="home-main container clearfix"><div id="qfczbc8" class="twoCol"><div id="7pj8dew" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<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>?國(guó)產(chǎn)**原子吸收分光光度計(jì) 真誠(chéng)推薦上海儀電分析儀器供應(yīng)</p><div id="hro8pwy" class="leftbox clearfix"><h1>國(guó)產(chǎn)**原子吸收分光光度計(jì) 真誠(chéng)推薦上海儀電分析儀器供應(yīng)</h1><div id="xhebyfh" class="proBig"><div id="7ipro37" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988150712025/4463747.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="5lxj8tv" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988150712025/4463747.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ixphtqs" 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>國(guó)產(chǎn)**原子吸收分光光度計(jì),原子吸收分光光度計(jì)</p><p><span>***更新：</span>2021-01-07 02:10:51</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="wq3q4v8" 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="kzbtac7" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="t2espby" class="box"><p><p style="text-indent:25px">原子吸收分光光度計(jì)，所謂微量元素，在環(huán)境地球化學(xué)中，指*占地球組成部分的0.01的60余種元素，微量元素分析儀的合量一般在1×10-8~1×108。在醫(yī)學(xué)領(lǐng)域從人體結(jié)構(gòu)來(lái)看，占人體總重量萬(wàn)分之一以下者即為微量元素。什么是需微量元素和條性微量元素從營(yíng)養(yǎng)化學(xué)、毒理學(xué)和環(huán)境污染等研討角度出發(fā)將微量元素分紅需微量元素或營(yíng)養(yǎng)微量元素和毒性微量元素。原子吸收分光光度計(jì)微量元素分析儀廠家生產(chǎn)的微量元素分析儀需徵量元素是指能維持人體正常功用或結(jié)構(gòu)所需的微量元素，國(guó)產(chǎn)**原子吸收分光光度計(jì)，每日只需攝入Q，國(guó)產(chǎn)**原子吸收分光光度計(jì).01g以下，國(guó)產(chǎn)**原子吸收分光光度計(jì)，即能滿足人體生理功用的需求。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。國(guó)產(chǎn)**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="國(guó)產(chǎn)**原子吸收分光光度計(jì),原子吸收分光光度計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988150712025/4463747.png"></div><p style="text-indent:25px">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(lái)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。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。這是歷史上用原子吸收光譜進(jìn)行定性分析的一例證。很長(zhǎng)一段時(shí)間，原子吸收主要局限于天體物理方面的研究，在分析化學(xué)中的應(yīng)用未能引起重視，其主要原因是未找到可產(chǎn)生銳線光譜的光源。直至20世紀(jì)30年代，由于汞的多應(yīng)用，對(duì)大氣中微量汞的測(cè)定曾利用原子吸收光譜原理設(shè)計(jì)了測(cè)汞儀，這是原子吸收在分析中的早應(yīng)用。學(xué)校原子吸收分光光度計(jì)現(xiàn)貨1965年復(fù)旦大學(xué)電光源實(shí)驗(yàn)室和冶金工業(yè)部有色金屬研究所分別研制成功空心陰極燈光源。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="國(guó)產(chǎn)**原子吸收分光光度計(jì),原子吸收分光光度計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991252020619/9480950.png"></div><p style="text-indent:25px">原子吸收分光光度計(jì)的開展：1981年原子吸收分光光度計(jì)完成操作自動(dòng)化。1984年首臺(tái)連續(xù)氫化物發(fā)生器面世。1990年推出世界上先進(jìn)的MarkV1焰燃燒頭。1995年在線火焰自動(dòng)進(jìn)樣器（SIPS8）研制成功并投入運(yùn)用。1998年首臺(tái)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(shí)剖析的原子吸收光譜儀出產(chǎn)并投放市場(chǎng)。原子吸收分光光度計(jì)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(yàn)以及科學(xué)研制的質(zhì)量操控等工作。</p><p style="text-indent:25px">原子吸收光譜分析工作原理：利用待測(cè)元素的共振輻射，通過(guò)其原子蒸汽，測(cè)定其吸光度的裝置稱為原子吸收分光光度計(jì)。它有單光束，雙光束，雙波道，多波道等結(jié)構(gòu)形式。其基本結(jié)構(gòu)包括光源，原子化器，光學(xué)系統(tǒng)和檢測(cè)系統(tǒng)。它主要用于痕量元素雜質(zhì)的分析，具有靈敏度高及選擇性好兩大主要優(yōu)點(diǎn)。多應(yīng)用于各種氣體，金屬有機(jī)化合物，金屬醇鹽中微量元素的分析。但是測(cè)定每種元素均需要相應(yīng)的空心陰極燈，這對(duì)檢測(cè)工作帶來(lái)不便?；鹧嬖踊ǖ膬?yōu)點(diǎn)是：火焰原子化法的操作簡(jiǎn)便，重現(xiàn)性好，有效光程大，對(duì)大多數(shù)元素有較高靈敏度，因此應(yīng)用多。缺點(diǎn)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。原子吸收分光光度計(jì)基本結(jié)構(gòu)包括光源，原子化器，光學(xué)系統(tǒng)和檢測(cè)系統(tǒng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="國(guó)產(chǎn)**原子吸收分光光度計(jì),原子吸收分光光度計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988134237392/1056352.png"></div><p style="text-indent:25px">原子吸收分光光度計(jì)測(cè)土壤巖石中砷銻鉍汞時(shí)常見(jiàn)問(wèn)題的剖析：氫化物的產(chǎn)生條件與技術(shù)指標(biāo)是作業(yè)曲線是否滿足要求的條件，測(cè)驗(yàn)不同的元素應(yīng)設(shè)定不同的氫化物的產(chǎn)生條件，條件的設(shè)定符合儀器使用說(shuō)明書中給定的推薦剖析條件。在測(cè)驗(yàn)規(guī)范系列時(shí)，如儀器靈敏度不符合要求，則應(yīng)加大負(fù)高壓或加大電流，從頭測(cè)定空白，然后測(cè)規(guī)范系列。別的，當(dāng)規(guī)范系列含量太低時(shí)，該儀器靈敏度達(dá)不到。規(guī)范貯備液主張購(gòu)買國(guó)家規(guī)范物質(zhì)中間制造的規(guī)范溶液。在配置的過(guò)程中應(yīng)注意所用水、試劑、容器的污染問(wèn)題，所用容器應(yīng)該在使用前用硝酸溶液浸泡24小時(shí)，沖凈后使用。規(guī)范溶液在長(zhǎng)期貯備過(guò)程中也會(huì)出現(xiàn)蒸發(fā)，因而需要確保規(guī)范溶液在有效期之內(nèi)。原子吸收分光光度計(jì)通過(guò)其原子蒸汽，測(cè)定其吸光度的裝置稱為原子吸收分光光度計(jì)。學(xué)校原子吸收分光光度計(jì)選擇</p><p style="text-indent:25px">石墨爐法，進(jìn)樣量少，靈敏度高，有的元素也可以分析到pg/mL級(jí)。國(guó)產(chǎn)**原子吸收分光光度計(jì)</p><p style="text-indent:25px">你知道怎樣正確挑選原子吸收分光光度計(jì)嗎？1.剖析線挑選：通常選用共振吸收線為剖析線，測(cè)定高含量元素時(shí)，能夠選用靈敏度較低的非共振吸收線為剖析線。As、Se等共振吸收線位于200nm以下的遠(yuǎn)紫外區(qū)，火焰組分對(duì)其有明顯吸收，故用火焰原子吸收法測(cè)定這些元素時(shí)，不宜選用共振吸收線為剖析線。2.狹縫寬度挑選：狹縫寬度影響光譜通帶寬度與檢測(cè)器接受的能量。原子吸收分光光度計(jì)中，光譜堆疊干擾的幾率小，能夠答應(yīng)運(yùn)用較寬的狹縫。調(diào)節(jié)不同的狹縫寬度，測(cè)定吸光度隨狹縫寬度而變化，當(dāng)有其它的譜線或非吸收光進(jìn)入光譜通帶內(nèi)，吸光度將當(dāng)即減小。不引起吸光度減小的很大狹縫寬度，即為應(yīng)選取的合適的狹縫寬度。國(guó)產(chǎn)**原子吸收分光光度計(jì)</p><p style="text-indent:25px">上海儀電分析儀器有限公司主要經(jīng)營(yíng)范圍是儀器儀表，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。公司業(yè)務(wù)涵蓋分光光度計(jì)，氣相色譜，原子吸收，食品安全等，價(jià)格合理，品質(zhì)有保證。公司從事儀器儀表多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。儀電分析憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來(lái)的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2734012.html</p></div></div></div></div></div><div id="gvsp2la" class="page-right twoColRt"><div id="3yfct24" class="box01 margin10 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