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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>**原子吸收分光光度計(jì)代理,原子吸收分光光度計(jì)</p><p><span>***更新：</span>2021-01-15 09:13:34</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="n3s7oqp" 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="povcev4" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="swyqnet" class="box"><p><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)常見問題的剖析：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。在配置的過程中應(yīng)注意所用水、試劑、容器的污染問題，所用容器應(yīng)該在使用前用硝酸溶液浸泡24小時(shí)，**原子吸收分光光度計(jì)代理，沖凈后使用，**原子吸收分光光度計(jì)代理，**原子吸收分光光度計(jì)代理。規(guī)范溶液在長(zhǎng)期貯備過程中也會(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)氧化亞氮—乙炔火焰安全性較差。**原子吸收分光光度計(jì)代理</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="**原子吸收分光光度計(jì)代理,原子吸收分光光度計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991326259040/7441452.png"></div><p style="text-indent:25px">原子吸收在食品分析中越來(lái)越多。食品和飲料中的20多種元素已有滿意的原子吸收分析方法。生化和臨床樣品中必需元素和有害元素的分析現(xiàn)已采用原子吸收法。有關(guān)石油產(chǎn)品、陶瓷、農(nóng)業(yè)樣品、藥物和涂料中金屬元素的原子吸收分析的文獻(xiàn)報(bào)道近些年來(lái)越來(lái)越多。水體和大氣等環(huán)境樣品的微量金屬元素分析已成為原子吸收分析的重要領(lǐng)域之一。利用間接原子吸收法尚可測(cè)定某些非金屬元素。有機(jī)物分析中的應(yīng)用：利用間接法可以測(cè)定多種有機(jī)物。8-羥基喹啉(Cu)、醇類(Cr)、醛類(Ag)、酯類(Fe)、酚類(Fe)、聯(lián)乙酰(Ni)、酞酸(Cu)、脂肪胺(co)、氨基酸(Cu)、維生素C(Ni)、氨茴酸(Co)、雷米封(Cu)、甲酸奎寧(Zn)、有機(jī)酸酐(Fe)、苯甲基青霉素(Cu)、葡萄糖(Ca)、環(huán)氧化物水解酶(PbO、含鹵素的有機(jī)化合物(Ag)等多種有機(jī)物，均通過與相應(yīng)的金屬元素之間的化學(xué)計(jì)量反應(yīng)而間接測(cè)定。分析檢測(cè)原子吸收分光光度計(jì)現(xiàn)貨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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="**原子吸收分光光度計(jì)代理,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">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。</p><p style="text-indent:25px">原子吸收分光光度計(jì)職業(yè)開展現(xiàn)狀剖析：通過一代科學(xué)技能工作者的努力，現(xiàn)在，我國(guó)已經(jīng)成功地掌握了原子吸收光譜儀的設(shè)計(jì)、生產(chǎn)技能。在火焰剖析方面，與國(guó)外同類型儀器比較，國(guó)產(chǎn)儀器的典型元素檢出達(dá)到相同水平，甚至超過國(guó)外。但由于我國(guó)在新產(chǎn)品研討開發(fā)方面投入缺乏，使國(guó)產(chǎn)儀器在自動(dòng)化程度和長(zhǎng)時(shí)間工作可靠性方面還有不少距離，尤其是石墨爐剖析技能不同更大。為了改變這一落后面貌，北京、上海等地的企業(yè)及研討所著重投入資金用于無(wú)火焰石墨爐技能的研討開發(fā)，在剖析重復(fù)性與元素檢出限等方面取得不少發(fā)展，并有新產(chǎn)品推出。原子吸收分光光度計(jì)定量關(guān)系可用郎伯-比耳定律。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="**原子吸收分光光度計(jì)代理,原子吸收分光光度計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988163192494/7997740.png"></div><p style="text-indent:25px">原子吸收分光光度計(jì)詳細(xì)組成部分如下：組成部分一：電光體系。在該體系中首要是由鎢燈和相應(yīng)的電源組成，這種體系對(duì)整體的穩(wěn)定性就有很大影響，當(dāng)該體系不能正常工作后也會(huì)導(dǎo)致儀器工作不穩(wěn)定。組成部分二：光學(xué)體系。這種體系包含有外光路體系和單色器2個(gè)首要部分，其間外光路和單色器都有很多類型，單色器便是紫外可見分光光度計(jì)散光的首要來(lái)歷。組成部分三：光電體系。該體系是紫外可見分光光度計(jì)要害的部件，體系會(huì)直接影響到儀器中的靈敏度和適用范圍，里邊有光電倍增管、光電管和硅光電池等。原子吸收分光光度計(jì)測(cè)定的元素可達(dá)70多種。便攜原子吸收分光光度計(jì)對(duì)比</p><p style="text-indent:25px">原子吸收分光光度計(jì)對(duì)空心陰極燈發(fā)射的特征輻射進(jìn)行選擇性吸收。**原子吸收分光光度計(jì)代理</p><p style="text-indent:25px">原子吸收分光光度計(jì)電子體系。在該體系中首要有放大器和A/D變換器等組成，其間放大器便是影響整機(jī)靈敏度和穩(wěn)定性的首要相關(guān)部件。原子吸收分光光度計(jì)輸出打印體系和數(shù)據(jù)處理體系。該體系是決定整機(jī)自動(dòng)化程度的要害部件，可以直接影響紫外可見分光光度計(jì)的質(zhì)量。原子吸收分光光度計(jì)操作注意事項(xiàng):留意進(jìn)樣針的清洗,如果是進(jìn)樣針沾污或許導(dǎo)致液體由于分子張力直接沿著進(jìn)樣針向上走,不能全部加入到管中.留意由于石墨管進(jìn)樣空大小改變,跟著加熱次數(shù)增加,會(huì)有積碳在進(jìn)樣孔結(jié)塊,導(dǎo)致孔變小,導(dǎo)致樣品加入時(shí)不能加入到管壁外面,乃至或許會(huì)呈現(xiàn)進(jìn)樣針插不進(jìn)管子。**原子吸收分光光度計(jì)代理</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)型公司。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下分光光度計(jì)，氣相色譜，原子吸收，食品安全深受客戶的喜愛。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造儀器儀表良好品牌。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/2858127.html</p></div></div></div></div></div><div id="ku38sku" class="page-right twoColRt"><div id="88gam37" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div 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