暗箱原子吸收分光光度計報價客戶至上上海儀電分析儀器供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="理論研討和實驗結(jié)果標明，干擾的大小取決于吸收線堆疊水平，干擾元素的濃度及其靈活度。當兩種元素的吸收線的波長差小于0，暗箱原子吸收分光光度計報價.03nm時，則以為吸收線堆疊干擾是嚴重的。若堆疊的吸收線是靈活線，即便相差0.1nm，干擾也會明"><meta name="keywords" content="暗箱原子吸收分光光度計報價,原子吸收分光光度計"><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" content="no-transform" /> <meta 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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>?暗箱原子吸收分光光度計報價客戶至上上海儀電分析儀器供應(yīng)</p><div id="zt3dfco" class="leftbox clearfix"><h1>暗箱原子吸收分光光度計報價客戶至上上海儀電分析儀器供應(yīng)</h1><div id="x3g77oq" class="proBig"><div id="on7s82f" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991311337342/3521940.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="78obxe7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991311337342/3521940.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="2y8x97v" 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>暗箱原子吸收分光光度計報價,原子吸收分光光度計</p><p><span>***更新：</span>2021-01-27 17:26:17</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="7uj7opb" 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: </span>021-34530361</p><p><span>地址: </span>徐塘路88號7幢4層、9幢</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="n7cofmy" class="page-proshow02"><p class="title">詳細說明</p><div id="l3gifmy" class="box"><p><p style="text-indent:25px">理論研討和實驗結(jié)果標明，干擾的大小取決于吸收線堆疊水平，干擾元素的濃度及其靈活度。當兩種元素的吸收線的波長差小于0，暗箱原子吸收分光光度計報價.03nm時，則以為吸收線堆疊干擾是嚴重的。若堆疊的吸收線是靈活線，即便相差0.1nm，干擾也會明顯表現(xiàn)出來。當然這種干擾還和干擾元素的濃度及單色儀的分辨率有關(guān)。有一些譜線，在理論上是堆疊線，暗箱原子吸收分光光度計報價，但實驗中并沒有察看到干擾。有可能是干擾元素在測定條件下原子化效率低而未能產(chǎn)生足夠的基態(tài)原子，暗箱原子吸收分光光度計報價，也可能這些干擾元素的吸收線靈活度比較低，所以在通常狀況下表現(xiàn)不出來。消弭這種干擾普通是選用其它的剖析線或預(yù)別離干擾元素。原子吸收分光光度計的優(yōu)點是：原子化效率高，在可調(diào)的高溫下試樣利用率達100%，靈敏度高。暗箱原子吸收分光光度計報價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="暗箱原子吸收分光光度計報價,原子吸收分光光度計" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991311337342/3521940.png"></div><p style="text-indent:25px">原子吸收分光光度計與紫外可見分光光度計的區(qū)別：1、標準溶液:原子吸收分光光度計使用的標準溶液在4℃溫度下可保存較長時間，放置室溫后可正常使用。紫外可見分光光度計樣品及標準溶液顯色穩(wěn)定后需在半小時之內(nèi)測定，且對溫度及時間要求比較苛刻。2、檢測時間:原子吸收分光光度計分析速度較快，操作簡便，半個小時內(nèi)能連續(xù)測定幾十個試樣中的5、6種元素。紫外可見分光光度計由于有顯色過程，測量時間相對而言較長，操作比較麻煩。3、應(yīng)用對象：原子吸收分光光度計針對于金屬微量元素的定量分析，火焰法：液樣含量范圍通常在0。1PPM~15PPM之間（個別元素如錫會高些）；石墨爐分析在火焰法的基礎(chǔ)上則能提高2~3個數(shù)級，即液樣含量范圍通常在0。001PPM~0。100PPM之間。紫外可見分光光度計分析含量范圍一般在1PPM以上，主要分析高含量的樣品。4、操作性：原子吸收分光光度計操作簡單,對化驗員要求比較低，干擾低。紫外可見分光光度計樣品處理極為復(fù)雜,對化驗員要求比較高。高效原子吸收分光光度計報價石墨爐原子吸收分光光度計，可以測定近50種元素。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="暗箱原子吸收分光光度計報價,原子吸收分光光度計" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988105282341/1372565.png"></div><p style="text-indent:25px">原子吸收光譜分析，由于其靈敏度高、干擾少、分析方法簡單快速，現(xiàn)已多地應(yīng)用于工業(yè)、農(nóng)業(yè)、生化、地質(zhì)、冶金、食品、環(huán)保等各個領(lǐng)域，目前原子吸收已成為金屬元素分析的強有力工具之一，而且在許多領(lǐng)域已作為標準分析方法。原子吸收光譜分析的特點決定了它在地質(zhì)和冶金分析中的重要地位，它不僅取代了許多一般的濕法化學(xué)分析，而且還與X-射線熒光分析，甚至與中子活化分析有著同等的地位。目前原子吸收法已用來測定地質(zhì)樣品中70多種元素，并且大部分能夠達到足夠的靈敏度和很好的精密度。鋼鐵、合金和高純金屬中多種痕量元素的分析現(xiàn)在也多用原子吸收法。</p><p style="text-indent:25px">原子吸收分光光度計儀器分類：1、火焰原子化法的優(yōu)點是：火焰原子化法的操作簡便，重現(xiàn)性好，有效光程大，對大多數(shù)元素有較高靈敏度，因此應(yīng)用普遍。缺點是：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；2、石墨爐原子化器的優(yōu)點是：原子化效率高，在可調(diào)的高溫下試樣利用率達100%，靈敏度高，試樣用量少，適用于難熔元素的測定。缺點是：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，干擾背景比較嚴重，一般都需要校正背景。通常選用共振吸收線為分析線，測定高含量元素時，可以選用靈敏度較低的非共振吸收線為分析線。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="暗箱原子吸收分光光度計報價,原子吸收分光光度計" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419988150712025/4463747.png"></div><p style="text-indent:25px">原子吸收分光光度計的安全運用留意事項：1、乙炔氣源鄰近禁止明火或過熱高溫物體寄存，乙炔氣源不應(yīng)與氧化性氣源同放。2、排放的廢液應(yīng)及時傾倒處理或與當?shù)丨h(huán)保部門。3、禁止帶電插拔數(shù)據(jù)線纜。4、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)實無漏氣。5、留意燃燒、關(guān)火次序。燃燒后操作人員不得離開！在當天不必儀器操作時,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。6、帶石墨爐的儀器必定要留意用電安全,因為會運用380V動力電，加熱時瞬間會發(fā)生比較大的電流,所以在石墨爐處于作業(yè)狀況時，不要直接觸碰爐體部分，避免造成風(fēng)險.在做試驗時隨時調(diào)查氬氣的總壓力和內(nèi)氣流量計的流量,以確保石墨管可以長期運用和試驗的準確和一致性?；鹧嬖游辗止夤舛扔嫅?yīng)用多。工廠原子吸收分光光度計比較</p><p style="text-indent:25px">原子吸收分光光度計空心陰極燈的工作電流。暗箱原子吸收分光光度計報價</p><p style="text-indent:25px">我國原子吸收商品儀器的生產(chǎn)已有30年，目前國內(nèi)外生產(chǎn)廠家有十多家，幾十種型號。對此，用戶要知己知彼。首先要明確購買儀器主要解決什么問題，分析要求是什么。因為不同的分析要求，對儀器的功能要求會有不同的側(cè)重，而任何一臺儀器也不是全能的。其次，是要考慮適用性和經(jīng)濟性。要結(jié)合自己的經(jīng)濟實力，技術(shù)水平和人員素質(zhì)選擇能滿足自己工作要求的型號。第三，對新組建原子光譜實驗室的用戶，還要注意必須有輔助設(shè)備的投入，如樣品的前處理設(shè)備的購置，實驗室環(huán)境條件的建設(shè)，如穩(wěn)壓電源、空調(diào)、清潔的房間以及地線等。有的用戶不注意這些基本條件的準備，就匆匆購買儀器，結(jié)果儀器購買后長期不能投產(chǎn)，不能發(fā)揮儀器的效益。第四，注意人才培養(yǎng)，原子吸收光譜儀屬于大型精密儀器，樣品前處理以及操作相對較為復(fù)雜，建議用戶一定配備具有中專以上文化水平的人，較好是分析化學(xué)專業(yè)人才，如果這方面不注意，也不能使儀器盡快發(fā)揮作用。第五，售后服務(wù)要有保障，如安裝、培訓(xùn)、耗材的供給等等。暗箱原子吸收分光光度計報價</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3037230.html</p></div></div></div></div></div><div id="qamqcoa" class="page-right twoColRt"><div id="hwdasjv" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="hwdfm87" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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