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clearfix"><h1>實(shí)驗(yàn)室原子吸收分光光度計(jì) 服務(wù)為先上海儀電分析儀器供應(yīng)</h1><div id="fcjvrnk" class="proBig"><div id="kgstkl2" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991252020619/9480950.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ufgsead" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991252020619/9480950.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kdzfl8t" 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>實(shí)驗(yàn)室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>2020-12-28 01:13:13</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="k3yulxj" 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="weqhnt8" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="c2zvmo8" class="box"><p><p style="text-indent:25px">原子吸收分光光度計(jì)電離效應(yīng)隨溫度升高、電離平衡常數(shù)加大而加大，隨被測(cè)元素濃度增高而減小。參加更易電離的堿金屬元素，能夠有用地消除電離攪擾。物理攪擾是非選擇性攪擾，實(shí)驗(yàn)室原子吸收分光光度計(jì)，對(duì)試樣各元素的影響基本是類(lèi)似的，實(shí)驗(yàn)室原子吸收分光光度計(jì)，配制與被測(cè)試樣類(lèi)似組成的標(biāo)準(zhǔn)樣品，實(shí)驗(yàn)室原子吸收分光光度計(jì)，是消除物理攪擾常用的方法。在不知道試樣組成或無(wú)法匹配試樣時(shí)，可采用標(biāo)準(zhǔn)參加法或稀釋法來(lái)減小和消除物理攪擾。針對(duì)糧食溫度等監(jiān)測(cè)問(wèn)題，我國(guó)從2000年就開(kāi)端實(shí)施數(shù)字糧情測(cè)控系統(tǒng)，按照必定的密度部署單總線溫度傳感器，協(xié)助糧倉(cāng)完成數(shù)字溫度的實(shí)時(shí)監(jiān)測(cè)?；鹧嬖游辗止夤舛扔?jì)應(yīng)用多。實(shí)驗(yàn)室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="實(shí)驗(yàn)室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)程序升溫的條件選擇：在原子吸收分光光度計(jì)中，合理選擇干燥、灰化、原子化及除殘溫度與時(shí)間是十分重要的。干燥應(yīng)在稍低于溶劑沸點(diǎn)的溫度下進(jìn)行，以避免試液飛濺。灰化的意圖是除去基體和局外組分，在保證被測(cè)元素沒(méi)有丟失的前提下應(yīng)盡或許運(yùn)用較高的灰化溫度。原子化溫度的選擇原則是，選用達(dá)到很大吸收信號(hào)的很低溫度作為原子化溫度。原子化時(shí)間的選擇，應(yīng)以保證完全原子化為準(zhǔn)。原子化階段停止通維護(hù)氣，以延伸自由原子在石墨爐內(nèi)的平均停留時(shí)間。除殘的意圖是為了消除殘留物發(fā)生的記憶效應(yīng)，除殘溫度應(yīng)高于原子化溫度。實(shí)驗(yàn)室原子吸收分光光度計(jì)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="實(shí)驗(yàn)室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/ydfx123/637419988188495975/1516361.png"></div><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，每日只需攝入Q.01g以下，即能滿足人體生理功用的需求。</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。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)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="實(shí)驗(yàn)室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)在"濃度"欄輸入標(biāo)樣系列的濃度，依據(jù)制造好的規(guī)范系列溶液濃度，設(shè)置標(biāo)樣濃度，標(biāo)樣濃度有必要從小到大的次序輸入，不用設(shè)置空白濃度。點(diǎn)擊"標(biāo)簽"按鈕，設(shè)置樣品標(biāo)簽，點(diǎn)擊"自動(dòng)復(fù)制"按鈕，挑選剖析菜單，點(diǎn)擊"挑選"按鈕，符號(hào)需求剖析的樣品單元。翻開(kāi)燈室門(mén)，手持燈座，將燈座突起對(duì)準(zhǔn)相應(yīng)的位置，按下白色固定夾按鈕，裝上空心陰燈。翻開(kāi)元素?zé)?，點(diǎn)擊"翻開(kāi)元素?zé)?按鈕，優(yōu)化空心陰燈信號(hào)，點(diǎn)擊"優(yōu)化"按鈕，當(dāng)能量條接近滿格時(shí)，點(diǎn)擊自動(dòng)增益按鈕?，F(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)。可靠原子吸收分光光度計(jì)差價(jià)</p><p style="text-indent:25px">原子吸收分光光度計(jì)一般由四大部分組成。實(shí)驗(yàn)室原子吸收分光光度計(jì)</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(chēng)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。實(shí)驗(yàn)室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。儀電分析致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來(lái)良好體驗(yàn)。儀電分析創(chuàng)始人湯志東，始終關(guān)注客戶，創(chuàng)新科技，竭誠(chéng)為客戶提供良好的服務(wù)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2590326.html</p></div></div></div></div></div><div id="cu8tfrf" class="page-right twoColRt"><div id="ozvhtkg" class="box01 margin10 clearfix"><h3><a 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