常用原子吸收分光光度計(jì)經(jīng)銷(xiāo)商服務(wù)為先上海儀電分析儀器供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="原子吸收光譜儀配件的根本原理儀器從光源輻射出具有待測(cè)元素特征譜線(xiàn)的光，經(jīng)過(guò)試樣蒸氣時(shí)被蒸氣中待測(cè)元素基態(tài)原子所吸收，由輻射特征譜線(xiàn)光被削弱的程度來(lái)測(cè)定試樣中待測(cè)元素的含量。原子吸收光譜儀配件的使用因原子吸收光譜儀的活絡(luò)，常用原子吸收分光光度"><meta name="keywords" content="常用原子吸收分光光度計(jì)經(jīng)銷(xiāo)商,原子吸收分光光度計(jì)"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" 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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>常用原子吸收分光光度計(jì)經(jīng)銷(xiāo)商,原子吸收分光光度計(jì)</p><p><span>***更新：</span>2021-01-25 08:11:47</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="5x7tb9z" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="7d7vrv9" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="nzn7tpf" class="box"><p><p style="text-indent:25px">原子吸收光譜儀配件的根本原理儀器從光源輻射出具有待測(cè)元素特征譜線(xiàn)的光，經(jīng)過(guò)試樣蒸氣時(shí)被蒸氣中待測(cè)元素基態(tài)原子所吸收，由輻射特征譜線(xiàn)光被削弱的程度來(lái)測(cè)定試樣中待測(cè)元素的含量。原子吸收光譜儀配件的使用因原子吸收光譜儀的活絡(luò)，常用原子吸收分光光度計(jì)經(jīng)銷(xiāo)商，常用原子吸收分光光度計(jì)經(jīng)銷(xiāo)商、準(zhǔn)確、簡(jiǎn)潔等特點(diǎn)，現(xiàn)已多用于冶金、地質(zhì)、采礦、石油、輕工，常用原子吸收分光光度計(jì)經(jīng)銷(xiāo)商、農(nóng)業(yè)、醫(yī)藥、衛(wèi)生、食物及環(huán)境監(jiān)測(cè)等方面的常量及微痕量元素剖析。原子吸收光譜法是根據(jù)從光源發(fā)射的待測(cè)元素的特征輻射經(jīng)過(guò)樣品蒸氣時(shí),被蒸氣中待測(cè)元素的基態(tài)原子所吸收,根據(jù)輻射強(qiáng)度的削弱程度以求得樣品中待測(cè)元素的含量。原子吸收分光光度計(jì)汞(Hg)可用冷原子吸收法測(cè)定。常用原子吸收分光光度計(jì)經(jīng)銷(xiāo)商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常用原子吸收分光光度計(jì)經(jīng)銷(xiāo)商,原子吸收分光光度計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988105282341/1372565.png"></div><p style="text-indent:25px">金屬化學(xué)形態(tài)分析中的應(yīng)用：通過(guò)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(guò)不同類(lèi)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(xiàn)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。甲醛原子吸收分光光度計(jì)銷(xiāo)售廠(chǎng)家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="常用原子吸收分光光度計(jì)經(jīng)銷(xiāo)商,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)如主機(jī)有加輔佐助燃?xì)獾耐ǖ溃瑧?yīng)將輔佐助燃?xì)怅P(guān)斷，不然未參與噴霧的助燃?xì)饪墒轨`敏度下降，過(guò)大的助燃?xì)饬髁坎坏馁M(fèi)燃?xì)?，乃至不能點(diǎn)著火焰。原子吸收分光光度計(jì)一切霧化器之間不能呼喚撞擊球帽，不然靈敏度下降很大。原子吸收分光光度計(jì)運(yùn)轉(zhuǎn)的的攪擾有哪些物理攪擾：物理攪擾是指試樣在轉(zhuǎn)移、蒸發(fā)和原子化過(guò)程中，原子吸收分光光度計(jì)由于試樣任何物理特性（如粘度、表面張力、密度等）的變化而引起的原子吸收強(qiáng)度下降的效應(yīng)。</p><p style="text-indent:25px">原子吸收分光光度計(jì)空心陰方燈的作業(yè)電流挑選：空心陰方燈一般需求預(yù)熱10-30min才干到達(dá)安穩(wěn)輸出。燈電流過(guò)小，放電不安穩(wěn)，故光譜輸出不安穩(wěn)，且光譜輸出強(qiáng)度?。粺綦娏鬟^(guò)大，發(fā)射譜線(xiàn)變寬，導(dǎo)致靈敏度下降，校正曲線(xiàn)曲折，燈壽數(shù)縮短。選用燈電流的一般原則是，在保證有滿(mǎn)足強(qiáng)且安穩(wěn)的光強(qiáng)輸出條件下，盡量運(yùn)用較低的作業(yè)電流。通常以空心陰方燈上標(biāo)明的很大電流的一半至三分之二作為作業(yè)電流。在具體的剖析場(chǎng)合，很適宜的作業(yè)電流由實(shí)驗(yàn)確定?；鹧嬖游辗止夤舛扔?jì)應(yīng)用多。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常用原子吸收分光光度計(jì)經(jīng)銷(xiāo)商,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(guò)測(cè)定某一具有特定波長(zhǎng)的光經(jīng)過(guò)試樣原子蒸氣后被吸收的多少來(lái)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(xiàn)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?？垢蓴_能力強(qiáng)。原子吸收線(xiàn)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。可測(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。原子吸收分光光度計(jì)應(yīng)用也有一定的局限性?？諝庠游辗止夤舛扔?jì)</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。常用原子吸收分光光度計(jì)經(jīng)銷(xiāo)商</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(chēng)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。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(xiàn)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。常用原子吸收分光光度計(jì)經(jīng)銷(xiāo)商</p></p><br /><p>文章來(lái)源地址: 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