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id="ptdumya" class="twoCol"><div id="cgd3rjl" 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>?低端原子吸收分光光度計(jì)單價(jià) 真誠(chéng)推薦上海儀電分析儀器供應(yīng)</p><div id="2yvpgsj" class="leftbox clearfix"><h1>低端原子吸收分光光度計(jì)單價(jià) 真誠(chéng)推薦上海儀電分析儀器供應(yīng)</h1><div id="v8lnar7" class="proBig"><div id="wf3u9sk" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988085019176/8464581.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="npcj8qx" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988085019176/8464581.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="6yqs887" 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>低端原子吸收分光光度計(jì)單價(jià),原子吸收分光光度計(jì)</p><p><span>***更新：</span>2021-01-11 02:13:44</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="pnyvnuo" 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="7c8mb2c" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="y3372bs" class="box"><p><p style="text-indent:25px">原子吸收分光光度計(jì)的優(yōu)點(diǎn)是：原子化效率高，在可調(diào)的高溫下試樣利用率達(dá)100%，靈敏度高，試樣用量少，適用于難熔元素的測(cè)定。缺點(diǎn)是：試樣組成不均勻性的影響較大，測(cè)定精密度較低，共存化合物的干擾比火焰原子化法大，低端原子吸收分光光度計(jì)單價(jià)，低端原子吸收分光光度計(jì)單價(jià)，干擾背景比較嚴(yán)重，一般都需要校正背景。原子吸收光譜分析現(xiàn)已多用于各個(gè)分析領(lǐng)域，主要有四個(gè)方面：理論研究；元素分析；有機(jī)物分析；金屬化學(xué)形態(tài)分析。理論研究中的應(yīng)用：原子吸收可作為物理和物理化學(xué)的一種實(shí)驗(yàn)手段，對(duì)物質(zhì)的一些基本性能進(jìn)行測(cè)定和研究。電熱原子化器容易做到控制蒸發(fā)過(guò)程和原子化過(guò)程，所以用它測(cè)定一些基本參數(shù)有很多優(yōu)點(diǎn)。用電熱原子化器所測(cè)定的一些有元素離開(kāi)機(jī)體的活化能、氣態(tài)原子擴(kuò)散系數(shù)、解離能、振子強(qiáng)度、光譜線輪廓的變寬、溶解度、蒸氣壓等，低端原子吸收分光光度計(jì)單價(jià)。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。低端原子吸收分光光度計(jì)單價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="低端原子吸收分光光度計(jì)單價(jià),原子吸收分光光度計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988085019176/8464581.png"></div><p style="text-indent:25px">現(xiàn)在AAS在水質(zhì)中的微量重金屬(As、Hg、Cd、Cr、Cu等)檢測(cè)方面十分受用戶的青睞。例如：水中Cu大于1.5mg/L會(huì)有苦味;Cu對(duì)心病影響很大;水中Cu超標(biāo)會(huì)按捺藻類(lèi)生長(zhǎng)，影響水產(chǎn)飼養(yǎng);特別要注意的還有飲用水中的Hg、As等對(duì)人類(lèi)損害特別大，都是致的微量元素。為什么AAS在剖析檢測(cè)工作中倍受青睞?一是價(jià)格便宜、性價(jià)比高;二是操作比較簡(jiǎn)單;三是靈敏度較高。所以，廣闊科技工作者應(yīng)該重視AAS的應(yīng)用開(kāi)展情況。許多第三方檢測(cè)機(jī)構(gòu)都在很多使用AAS，現(xiàn)在開(kāi)展很快值得我們高度重視。原子吸收分光光度計(jì)報(bào)價(jià)原子吸收分光光度計(jì)具有靈敏度高及選擇性好兩大主要優(yōu)點(diǎn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="低端原子吸收分光光度計(jì)單價(jià),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)采用新的電子技術(shù)，使儀器顯示數(shù)字化、進(jìn)樣自動(dòng)化，計(jì)算機(jī)數(shù)據(jù)處理系統(tǒng)使整個(gè)分析實(shí)現(xiàn)自動(dòng)化。我國(guó)在1963年開(kāi)始對(duì)原子吸收分光光度計(jì)有一般性介紹。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。1970年北京科學(xué)儀器廠試制成WFD-Y1型單光束原子吸收分光光度計(jì)。現(xiàn)在我國(guó)已有多家企業(yè)生產(chǎn)多種型號(hào)、性能較先進(jìn)的原子吸收分光光度計(jì)。原子吸收分光光度計(jì)應(yīng)用也有一定的局限性，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><p style="text-indent:25px">原子吸收分光光度計(jì)霧化器長(zhǎng)處和故障處理：原子吸收分光光度計(jì)霧化器長(zhǎng)處和毛病處理。1、限流進(jìn)液管阻塞，一般堵在進(jìn)口處，可用手指除掉，或用壓縮空氣反向吹通，或用注射器反向灌水。2.、吸入樣品溶液將盡時(shí)，管內(nèi)形成成串氣泡，阻力很大使吸入中止，用手指彈動(dòng)進(jìn)液管，使氣泡吸走，即可正常，也可用注射器吸走氣泡。3、霧化器內(nèi)管阻塞：長(zhǎng)堵在接近噴口處，取下撞擊球帽，用壓縮空氣或注射器反向灌水沖掉阻塞物，決不行用金屬絲捅，不然將損壞霧化器。原子吸收分光光度計(jì)空氣—乙炔火焰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="低端原子吸收分光光度計(jì)單價(jià),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">電熱原子化器普遍應(yīng)用的是原子吸收分光光度計(jì)，因而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)。前者原子化的溫度在2100℃～2400℃之間，后者在2900℃～3000℃之間。原子吸收分光光度計(jì)，利用空氣—乙炔測(cè)定的元素可達(dá)30多種，若使用氧化亞氮—乙炔火焰，測(cè)定的元素可達(dá)70多種。但氧化亞氮—乙炔火焰安全性較差，應(yīng)用不普遍。空氣—乙炔火焰原子吸收分光光度計(jì)，一般可檢測(cè)到PPm級(jí)（10-6），精密度1%左右。國(guó)產(chǎn)的原子吸收分光光度計(jì)，都可配備各種型號(hào)的氫化物發(fā)生器（屬電加熱原子化器），利用氫化物發(fā)生器，可測(cè)定砷（As）、銻（Sb）、鍺（Ge）、碲（Te）等元素。一般靈敏度在ng/ml級(jí)（10-9），相對(duì)標(biāo)準(zhǔn)偏差2%左右。汞(Hg)可用冷原子吸收法測(cè)定。原子吸收分光光度計(jì)存在理化方面的干擾。三用原子吸收分光光度計(jì)性價(jià)比</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)。低端原子吸收分光光度計(jì)單價(jià)</p><p style="text-indent:25px">原子吸收分光光度計(jì)在日常作業(yè)中應(yīng)經(jīng)常檢查乙炔鋼瓶與減壓閥連接是否結(jié)實(shí)無(wú)漏氣。留意燃燒、關(guān)火次序。燃燒后操作人員不得離開(kāi)！在當(dāng)天不必儀器操作時(shí),請(qǐng)將乙炔管道里的剩下氣體燃燒完，即直接關(guān)乙炔總開(kāi)關(guān)再管空氣。帶石墨爐的儀器必定要留意用電安全,因?yàn)闀?huì)運(yùn)用380V動(dòng)力電，加熱時(shí)瞬間會(huì)發(fā)生很大的電流,所以在石墨爐處于作業(yè)狀況時(shí)，不要直接觸碰爐體部分，避免造成風(fēng)險(xiǎn).在做試驗(yàn)時(shí)隨時(shí)調(diào)查氬氣的總壓力和內(nèi)氣流量計(jì)的流量,以確保石墨管可以長(zhǎng)期運(yùn)用和試驗(yàn)的準(zhǔn)確和一致性。低端原子吸收分光光度計(jì)單價(jià)</p><p style="text-indent:25px">上海儀電分析儀器有限公司致力于儀器儀表，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。公司自創(chuàng)立以來(lái)，投身于分光光度計(jì)，氣相色譜，原子吸收，食品安全，是儀器儀表的主力軍。儀電分析不斷開(kāi)拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。儀電分析始終關(guān)注儀器儀表行業(yè)。滿足市場(chǎng)需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2791482.html</p></div></div></div></div></div><div id="d84mq98" class="page-right twoColRt"><div id="2gartnk" class="box01 margin10 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