工廠原子吸收分光光度計(jì)對(duì)比誠(chéng)信互利上海儀電分析儀器供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="電熱原子化器電熱原子化器的種類有多種，如電熱高溫管式石墨爐原子化器、石墨杯原子化器、鉭舟原子化器、碳棒原子化器、鎳杯原子化器、高頻感應(yīng)爐和等離子噴焰等，工廠原子吸收分光光度計(jì)對(duì)比。在商品儀器中常用的電熱原子化器是管式石墨爐原子化器。石墨爐是"><meta name="keywords" content="工廠原子吸收分光光度計(jì)對(duì)比,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" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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class="container clearfix tcPro"><section class="home-main container clearfix"><div id="hbhf5r5" class="twoCol"><div id="ppvdr5v" 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>?工廠原子吸收分光光度計(jì)對(duì)比誠(chéng)信互利上海儀電分析儀器供應(yīng)</p><div id="pvbhnbl" class="leftbox clearfix"><h1>工廠原子吸收分光光度計(jì)對(duì)比誠(chéng)信互利上海儀電分析儀器供應(yīng)</h1><div id="fbpntzf" class="proBig"><div id="zxh5jdb" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988246893719/5353894.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="dn3ptjp" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988246893719/5353894.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zfjfdbh" 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>工廠原子吸收分光光度計(jì)對(duì)比,原子吸收分光光度計(jì)</p><p><span>***更新：</span>2021-01-28 05:13:05</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="3pd5tjx" 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="lrhn3nt" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="nt5dz5x" class="box"><p><p style="text-indent:25px">電熱原子化器電熱原子化器的種類有多種，如電熱高溫管式石墨爐原子化器、石墨杯原子化器、鉭舟原子化器、碳棒原子化器、鎳杯原子化器、高頻感應(yīng)爐和等離子噴焰等，工廠原子吸收分光光度計(jì)對(duì)比。在商品儀器中常用的電熱原子化器是管式石墨爐原子化器。石墨爐是用石墨管做成，將樣品用進(jìn)樣器定量注入石墨管中，并以石墨管作為電阻發(fā)熱體，通電后迅速升溫，使試樣達(dá)到原子化目的。它由加熱電源、保護(hù)氣控制系統(tǒng)和石墨管狀爐組成。外電源加于石墨管兩端供給原子化器能量，電流通過(guò)石墨管產(chǎn)生3000℃的高溫，使置于石墨管中的被測(cè)元素變?yōu)榛鶓B(tài)原子蒸氣，工廠原子吸收分光光度計(jì)對(duì)比。保護(hù)氣系統(tǒng)是控制保護(hù)氣的。外氣路中的Ar氣沿石墨管外壁流動(dòng)，工廠原子吸收分光光度計(jì)對(duì)比，以保護(hù)石墨管不被燒蝕；內(nèi)氣路中的Ar從管兩端流向管中心由管中心孔流出以有效地除去在干燥和灰化過(guò)程中產(chǎn)生的基體成分，同時(shí)保護(hù)已經(jīng)原子化了的原子不再被氧化。原子吸收分光光度計(jì)主要原因是未找到可產(chǎn)生銳線光譜的光源。工廠原子吸收分光光度計(jì)對(duì)比</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="工廠原子吸收分光光度計(jì)對(duì)比,原子吸收分光光度計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988246893719/5353894.png"></div><p style="text-indent:25px">新購(gòu)儀器應(yīng)及時(shí)開箱,按清單逐一查對(duì)主機(jī)、附件、零配件和運(yùn)用闡明書等能否齊全,同時(shí)要檢查儀器二表觀能否有損傷。如發(fā)現(xiàn)問(wèn)題及時(shí)向消費(fèi)戶家提出,要留意維護(hù)現(xiàn)場(chǎng),以便剖析損傷緣由。在開箱后和裝置前,必需認(rèn)真閱讀儀器運(yùn)用闡明書,熟習(xí)儀器原理、構(gòu)造和運(yùn)用辦法,理解儀器對(duì)實(shí)驗(yàn),室環(huán)境條件和安裝條件的請(qǐng)求：完善條件和做好裝置前的各項(xiàng)準(zhǔn)備工作將主機(jī)、計(jì)算機(jī)、打印機(jī)、空壓機(jī)、循環(huán)冷卻水安裝、石墨爐及其電源安裝當(dāng)心從包裝箱中取出,按闡明書請(qǐng)求整體規(guī)劃。主機(jī)和附件放在工作臺(tái)上以后,調(diào)整其底腳使之平穩(wěn)、受力平均。逐一檢查主機(jī)的外光路,主機(jī)和配件電器及機(jī)械局部的表觀情況。然后依照闡明書中的請(qǐng)求銜接好儀器的電路、氣路和水路。材料原子吸收分光光度計(jì)生產(chǎn)廠家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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="工廠原子吸收分光光度計(jì)對(duì)比,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">儀器出廠前需經(jīng)質(zhì)檢部門按專業(yè)規(guī)范或企業(yè)規(guī)范檢定。實(shí)驗(yàn)室中的儀器也需經(jīng)計(jì)量部門按檢定規(guī)程定期檢定前方可運(yùn)用,理解和控制儀器的檢定驗(yàn)收技術(shù)尤為重要。本節(jié)引見(jiàn)有關(guān)儀器主要技術(shù)指標(biāo)的測(cè)試和檢定辦法。譜線的理論波長(zhǎng)與儀器波長(zhǎng)機(jī)構(gòu)讀數(shù)的差值稱為波長(zhǎng)示值誤差。目前,原子吸收分光光度計(jì)大多以正弦機(jī)構(gòu)調(diào)理波長(zhǎng)。商品儀器經(jīng)過(guò)長(zhǎng)途運(yùn)輸?shù)恼駝?dòng),波長(zhǎng)示值可能超差。按波長(zhǎng)次第假如一直是正誤差或負(fù)誤差,但差值不等,能夠經(jīng)過(guò)調(diào)整正弦機(jī)構(gòu)來(lái)校正；若差值大致相等,則可調(diào)理波長(zhǎng)鼓輪或數(shù)碼輪來(lái)校正；若差值隨波長(zhǎng)變化而正負(fù)動(dòng)搖,則需重新調(diào)理光學(xué)系統(tǒng)。專業(yè)規(guī)范和檢定規(guī)程請(qǐng)求,波長(zhǎng)示值誤差應(yīng)不大于0.5nm，波長(zhǎng)反復(fù)性應(yīng)優(yōu)于0.3nm。</p><p style="text-indent:25px">原子吸收分光光度計(jì)不僅能夠防止不合格的糧食進(jìn)入市場(chǎng)或許成為儲(chǔ)備糧，也能夠發(fā)現(xiàn)糧食存在的問(wèn)題，協(xié)助糧農(nóng)與農(nóng)業(yè)部門及時(shí)采納辦法，改善糧食生產(chǎn)方式或許治理環(huán)境污染，進(jìn)步糧食質(zhì)量?，F(xiàn)在，我國(guó)現(xiàn)已逐步建立糧食質(zhì)量平安檢測(cè)監(jiān)測(cè)體系，添加基層糧食檢驗(yàn)監(jiān)測(cè)機(jī)構(gòu)，進(jìn)步糧食質(zhì)量平安監(jiān)測(cè)預(yù)警與檢測(cè)才能。首先，是溫度傳感器，它是指能感觸溫度并轉(zhuǎn)換成可用輸出信號(hào)的傳感器，溫度傳感器是很早開發(fā)，使用較廣的一類傳感器。溫度傳感器的市場(chǎng)份額超過(guò)了其他的傳感器。從17世紀(jì)初人們開端利用溫度進(jìn)行測(cè)量。原子吸收分光光度計(jì)安全操作須知：操作人員必須經(jīng)過(guò)儀器生產(chǎn)商的操作培訓(xùn)或持有更高級(jí)別職業(yè)資格證書。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="工廠原子吸收分光光度計(jì)對(duì)比,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">原子吸收分光光度法常使用哪些定量分析方法?規(guī)范曲線法：先配制相同基體的含有不同濃度待測(cè)元素的系列規(guī)范溶液，在選定的實(shí)驗(yàn)條件下分別測(cè)其吸光度.以扣除空白值之后的吸光度為縱坐標(biāo)，規(guī)范溶液濃度為橫坐標(biāo)繪制規(guī)范曲線。在同樣操作條件下測(cè)定試樣溶液的吸光度，從規(guī)范曲線查得試樣溶液的濃度。運(yùn)用該辦法時(shí)應(yīng)留意：配制的規(guī)范溶液濃度應(yīng)在吸光度與濃度成線性的范圍內(nèi)；整個(gè)剖析過(guò)程中操作條件應(yīng)堅(jiān)持不變。另外，規(guī)范曲線法固然簡(jiǎn)單，但必需保證規(guī)范樣品與試樣的物理性質(zhì)相同，保證不存在干擾物，關(guān)于組成尚不分明的樣品不能用規(guī)范曲線法。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。全自動(dòng)原子吸收分光光度計(jì)銷售廠家</p><p style="text-indent:25px">非火焰原子化法利用電加熱或化學(xué)還原等方式使試樣轉(zhuǎn)化為氣態(tài)原子。工廠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)的實(shí)際應(yīng)用：1、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(guò)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。2、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)不同類型的光譜原子吸收聯(lián)用方式加以鑒別和測(cè)定。工廠原子吸收分光光度計(jì)對(duì)比</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3044333.html</p></div></div></div></div></div><div id="zxvjvbh" class="page-right twoColRt"><div id="rpbrzfd" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="lrfvjhf" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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