石油原子吸收分光光度計(jì)對(duì)比鑄造輝煌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="原子吸收分光光度計(jì)中常用的定量辦法：規(guī)范曲線法。規(guī)范曲線法是用規(guī)范物質(zhì)制造一系列已知濃度的規(guī)范試樣，在規(guī)范條件下，測得每一濃度對(duì)應(yīng)的吸光度值，以吸光度對(duì)濃度作圖，制作規(guī)范曲線。在相同條件下測定樣品吸光度，從規(guī)范曲線上讀取樣品濃度。長處：適用"><meta name="keywords" content="石油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" /> 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href="http://www.cdcfah.com/zh/"><span>展會(huì)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="773v4by" class="twoCol"><div id="u8e9o9w" 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>?石油原子吸收分光光度計(jì)對(duì)比鑄造輝煌上海儀電分析儀器供應(yīng)</p><div id="jx4qfwq" class="leftbox clearfix"><h1>石油原子吸收分光光度計(jì)對(duì)比鑄造輝煌上海儀電分析儀器供應(yīng)</h1><div id="qfe8et8" class="proBig"><div id="poqd3um" 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="84y48gi" 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="cr8mof9" 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>石油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>2021-01-18 00:22:52</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="onfhr83" 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="wfxz7qx" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="cmjgqhw" class="box"><p><p style="text-indent:25px">原子吸收分光光度計(jì)中常用的定量辦法：規(guī)范曲線法。規(guī)范曲線法是用規(guī)范物質(zhì)制造一系列已知濃度的規(guī)范試樣，在規(guī)范條件下，測得每一濃度對(duì)應(yīng)的吸光度值，以吸光度對(duì)濃度作圖，制作規(guī)范曲線。在相同條件下測定樣品吸光度，從規(guī)范曲線上讀取樣品濃度。長處：適用范圍廣，快速簡便，合適大批量樣品的測定。缺乏：試驗(yàn)準(zhǔn)確度受基體干擾嚴(yán)重。規(guī)范參加法：規(guī)范參加法是在數(shù)個(gè)等分的試樣平分別參加呈比例的規(guī)范試樣，然后稀釋到一定體積，石油原子吸收分光光度計(jì)對(duì)比。根據(jù)測定的吸光度值，石油原子吸收分光光度計(jì)對(duì)比，制作吸光度A-c（濃度）曲線，石油原子吸收分光光度計(jì)對(duì)比。用外推法求得稀釋后試樣中待測物的濃度。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。石油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="石油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/ydfx123/637419991252020619/9480950.png"></div><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)無漏氣。留意燃燒、關(guān)火次序。燃燒后操作人員不得離開！在當(dāng)天不必儀器操作時(shí),請將乙炔管道里的剩下氣體燃燒完，即直接關(guān)乙炔總開關(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期運(yùn)用和試驗(yàn)的準(zhǔn)確和一致性。工廠原子吸收分光光度計(jì)儀器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="石油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/ydfx123/637419991291551872/1267970.png"></div><p style="text-indent:25px">原子吸收光譜分析工作原理：利用待測元素的共振輻射，通過其原子蒸汽，測定其吸光度的裝置稱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。但是測定每種元素均需要相應(yīng)的空心陰極燈，這對(duì)檢測工作帶來不便?；鹧嬖踊ǖ膬?yōu)點(diǎn)是：火焰原子化法的操作簡便，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。</p><p style="text-indent:25px">原子吸收分光光度計(jì)的優(yōu)點(diǎn)是：（1）檢出限低，靈敏度高?；鹧嬖游辗ǖ臋z出限可達(dá)10-9g（ppm級(jí)），石墨爐原子吸收法更高，可達(dá)ppb級(jí)。（2）丈量精度好?；鹧嬖游辗y定中等和高含量元素的相對(duì)偏差可小于0.01，丈量精度已接近于經(jīng)典化學(xué)辦法。石墨爐原子吸收法的丈量精度一般為3-5。樣品由載氣（氬）帶入霧化系統(tǒng)進(jìn)行霧化后，以氣溶膠形式進(jìn)入等離子體的軸向通道，在高溫文惰性氣氛中被充沛蒸騰、原子化、電離和激起，發(fā)射出所含元素的特征譜線。依據(jù)特征譜線的存在與否，鑒別樣品中是否含有某種元素（定性分析）；根依據(jù)特征譜線強(qiáng)度確定樣品中相應(yīng)元素的含量（定量分析）。原子吸收分光光度計(jì)實(shí)際效果理想的元素*30余個(gè)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="石油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/ydfx123/637419991326259040/7441452.png"></div><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，與國外同類型儀器比較，國產(chǎn)儀器的典型元素檢出達(dá)到相同水平，甚至超過國外。但由于我國在新產(chǎn)品研討開發(fā)方面投入缺乏，使國產(chǎn)儀器在自動(dòng)化程度和長時(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)由于儀器使用中，需用乙炔、氫氣、氬氣、氧化亞氮（俗稱笑氣）等。材料原子吸收分光光度計(jì)報(bào)價(jià)</p><p style="text-indent:25px">原子化往往是將溶液噴霧到火焰中去實(shí)現(xiàn)。石油原子吸收分光光度計(jì)對(duì)比</p><p style="text-indent:25px">儀器儀表行業(yè)飛速發(fā)展一是因?yàn)槲覈慕?jīng)濟(jì)高速穩(wěn)定發(fā)展的運(yùn)行;按照過去的經(jīng)驗(yàn)，如果GDP的增長在10%以上時(shí)，儀表行業(yè)的增長率則在26%～30%之間。二是因?yàn)槲覈暧^調(diào)控對(duì)儀表行業(yè)的影響有一個(gè)滯后期，儀表往往在工程的后期才交付使用，因此，因宏觀調(diào)控政策而減少的收入對(duì)儀表行業(yè)的影響不會(huì)太大。在計(jì)算機(jī)和互聯(lián)網(wǎng)的急速發(fā)展到整個(gè)世界的背景下，儀器儀表也開始向網(wǎng)絡(luò)化突進(jìn)，結(jié)合新的科技設(shè)備，通過廣域網(wǎng)和局域網(wǎng)直接操控儀器儀表，對(duì)公司的管理，經(jīng)營一體化，應(yīng)用模式的分析等各大方面產(chǎn)生影響。有限責(zé)任公司企業(yè)通過網(wǎng)絡(luò)這個(gè)平臺(tái)與客戶直接的交流，突破了世界和空間的限制，行家遠(yuǎn)程操控對(duì)儀器儀表進(jìn)行維護(hù)和分析。高科技的產(chǎn)品也隨之而來。伴隨移動(dòng)互聯(lián)網(wǎng)的爆發(fā)式增長，如今，它已經(jīng)漸漸取代電子商務(wù)成為了整個(gè)互聯(lián)網(wǎng)產(chǎn)業(yè)增速**快的領(lǐng)域，而移動(dòng)終端的入口也隨即成為了傳統(tǒng)行業(yè)的必爭之地。分光光度計(jì)，氣相色譜，原子吸收，食品安全行業(yè)進(jìn)軍移動(dòng)互聯(lián)網(wǎng)實(shí)現(xiàn)線上發(fā)展勢在必行。隨著中國的不斷進(jìn)步，世界上只有一個(gè)救世主——市場，能救企業(yè)的只有你自己——自強(qiáng)，提高生產(chǎn)型重點(diǎn)競爭力才是中國制造業(yè)的獨(dú)一出路。以顯微科學(xué)儀器行業(yè)的發(fā)展與變化為例，以親身的實(shí)踐為例，毛磊認(rèn)為，隨著經(jīng)濟(jì)的不斷發(fā)展，我國的環(huán)境和實(shí)力都發(fā)生了巨大變化，有了完全不同的基礎(chǔ)，這為國產(chǎn)科學(xué)儀器走向**增強(qiáng)了信心。石油原子吸收分光光度計(jì)對(duì)比</p><p style="text-indent:25px">上海儀電分析儀器有限公司位于徐塘路88號(hào)7幢4層、9幢。公司自成立以來，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)。儀電分析秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營理念，全力打造公司的重點(diǎn)競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2889858.html</p></div></div></div></div></div><div id="8r9xegq" class="page-right twoColRt"><div id="zogik8c" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3qpwo7q" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="vkh3eg8" class="recomPic likePro"><a 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