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"index_show"><a href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="2xu8vce" class="twoCol"><div id="8tlnkro" 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>?甲醇原子吸收分光光度計(jì)性價比歡迎來電上海儀電分析儀器供應(yīng)</p><div id="87pmta3" class="leftbox clearfix"><h1>甲醇原子吸收分光光度計(jì)性價比歡迎來電上海儀電分析儀器供應(yīng)</h1><div id="enfczqs" class="proBig"><div id="tnuroa7" 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="uol8bdk" 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="j8tliz7" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>甲醇原子吸收分光光度計(jì)性價比,原子吸收分光光度計(jì)</p><p><span>***更新：</span>2021-01-02 05:18:13</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="fo2zwi2" 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="e3e2z8u" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="blvxubd" class="box"><p><p style="text-indent:25px">原子吸收分光光度計(jì)會形成免疫功用缺失：微量元素分析儀廠家生產(chǎn)的微量元素分析儀指出缺硒是導(dǎo)致胃潰瘍病等胃部疾病的一個重要因素。人體內(nèi)硒水平的下降，會形成免疫功用缺失及抗氧化才干的下降，引起胃粘膜屏障不穩(wěn)定，黃嘌呤氧化酶在應(yīng)急情況下會持續(xù)升高，形成胃粘膜缺血性損害，氧自由基增多，導(dǎo)致胃炎、胃潰瘍等消化系統(tǒng)病變。原子吸收分光光度計(jì)。硒是一種天然抗氧化劑，微量元素分析儀指出補(bǔ)硒能迅速進(jìn)步人體含硒酶活性，甲醇原子吸收分光光度計(jì)性價比，甲醇原子吸收分光光度計(jì)性價比，能有用按捺活性氧生成，增強(qiáng)機(jī)體抗氧化功用，鏟除人體代謝進(jìn)程中所產(chǎn)生的自由基，阻撓胃粘膜壞死，甲醇原子吸收分光光度計(jì)性價比，促進(jìn)粘膜修正和潰瘍的愈合，防范變。原子吸收分光光度計(jì)采用新的電子技術(shù)。甲醇原子吸收分光光度計(jì)性價比</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甲醇原子吸收分光光度計(jì)性價比,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">石墨爐原子吸收分光光度計(jì)，可以測定近50種元素。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。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)度與試液中被測元素的含量成正比。其定量關(guān)系可用郎伯-比耳定律，A=-lgI/Io=-lgT=KCL，式中I為透射光強(qiáng)度；I0為發(fā)射光強(qiáng)度；T為透射比；L為光通過原子化器光程(長度)，每臺儀器的L值是固定的；C是被測樣品濃度；所以A=KC。元素原子吸收分光光度計(jì)性價比原子吸收分光光度計(jì)一般由四大部分組成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甲醇原子吸收分光光度計(jì)性價比,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">原子吸收光譜儀配件的根本原理儀器從光源輻射出具有待測元素特征譜線的光，經(jīng)過試樣蒸氣時被蒸氣中待測元素基態(tài)原子所吸收，由輻射特征譜線光被削弱的程度來測定試樣中待測元素的含量。原子吸收光譜儀配件的使用因原子吸收光譜儀的活絡(luò)、準(zhǔn)確、簡潔等特點(diǎn)，現(xiàn)已多用于冶金、地質(zhì)、采礦、石油、輕工、農(nóng)業(yè)、醫(yī)藥、衛(wèi)生、食物及環(huán)境監(jiān)測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)射的待測元素的特征輻射經(jīng)過樣品蒸氣時,被蒸氣中待測元素的基態(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元素的含量。</p><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"自動復(fù)制"按鈕，挑選剖析菜單，點(diǎn)擊"挑選"按鈕，符號需求剖析的樣品單元。翻開燈室門，手持燈座，將燈座突起對準(zhǔn)相應(yīng)的位置，按下白色固定夾按鈕，裝上空心陰燈。翻開元素?zé)?，點(diǎn)擊"翻開元素?zé)?按鈕，優(yōu)化空心陰燈信號，點(diǎn)擊"優(yōu)化"按鈕，當(dāng)能量條接近滿格時，點(diǎn)擊自動增益按鈕?；鹧嬖游辗止夤舛扔?jì)一般不能直接分析固體樣品。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甲醇原子吸收分光光度計(jì)性價比,原子吸收分光光度計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991385859509/5179129.png"></div><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定。缺點(diǎn)是：試樣組成不均勻性的影響較大，測定精密度較低，共存化合物的干擾比火焰原子化法大，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)已多用于各個分析領(lǐng)域，主要有四個方面：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，對物質(zhì)的一些基本性能進(jìn)行測定和研究。電熱原子化器容易做到控制蒸發(fā)過程和原子化過程，所以用它測定一些基本參數(shù)有很多優(yōu)點(diǎn)。用電熱原子化器所測定的一些有元素離開機(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。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。甲醇原子吸收分光光度計(jì)銷售廠家</p><p style="text-indent:25px">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)。甲醇原子吸收分光光度計(jì)性價比</p><p style="text-indent:25px">原子吸收分光光度計(jì)的常見體系種類有哪些？DEMONA分光體系：中階梯光柵單色器的應(yīng)用越來越多中階。梯光柵單色器在次光譜區(qū)作業(yè)，次光譜自在光譜區(qū)很小，為了將不同級次的堆疊光譜分隔，通常采取穿插色散（在中階梯光柵光路的前方或后方添加首級輔助色散元件），使譜線色散方向和譜級散開方向正交，在焦面上構(gòu)成一個二維色散圖像。這種光柵分辨率較高，可達(dá)0.002nm，結(jié)構(gòu)細(xì)巧。中階梯光柵單色器結(jié)合面陣檢測器可一起接納整個作業(yè)波段范圍的光譜可完成快速多元素一起測定。甲醇原子吸收分光光度計(jì)性價比</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，是一家生產(chǎn)型的公司。儀電分析致力于為客戶提供良好的分光光度計(jì)，氣相色譜，原子吸收，食品安全，一切以用戶需求為中心，深受廣大客戶的歡迎。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>文章來源地址: http://www.cdcfah.com/cp/2668182.html</p></div></div></div></div></div><div id="p2ujlco" class="page-right twoColRt"><div id="i8selnz" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="yipht3t" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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