江蘇奧林巴斯Terra便攜式XRD分析儀廠家定制服務為先上海澤權儀器設備供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="XRD即X-RayDiffraction（X射線衍射）的縮寫。X射線衍射是一種通過儀器進行檢測的光學分析法，江蘇奧林巴斯Terra便攜式XRD分析儀廠家定制，將單色X射線照到粉晶樣品上，若其中一個晶粒的一組面網(wǎng)取向和入射X射線夾角為θ時，滿"><meta name="keywords" content="江蘇奧林巴斯Terra便攜式XRD分析儀廠家定制,衍射儀"><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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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="lyhvbxo" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414088836987885/1646217.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="slxg8f7" 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)品關鍵詞：</span>江蘇奧林巴斯Terra便攜式XRD分析儀廠家定制,衍射儀</p><p><span>***更新：</span>2020-12-26 01:13:39</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="lypqzvr" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海澤權儀器設備有限公司</a></p><p><span>聯(lián)系人：</span>舒騁</p><p><span>郵箱: </span>2595161201@qq.com</p><p><span>電話: </span>17321076351</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.zeal-quest.com</p><p><span>手機: </span>021-62837120</p><p><span>地址: </span>上海市徐匯區(qū)肇嘉浜路798號坤陽商務廣場303室</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="xfwievr" class="page-proshow02"><p class="title">詳細說明</p><div id="fopqw8l" class="box"><p><p style="text-indent:25px">XRD即X-RayDiffraction（X射線衍射）的縮寫。X射線衍射是一種通過儀器進行檢測的光學分析法，江蘇奧林巴斯Terra便攜式XRD分析儀廠家定制，將單色X射線照到粉晶樣品上，若其中一個晶粒的一組面網(wǎng)取向和入射X射線夾角為θ時，滿足衍射條件，則在衍射角2θ處產(chǎn)生衍射。樣品中有多個晶粒并滿足衍射。通過使用衍射儀的探測器以一定的角度繞樣品旋轉，接收到粉晶中不同網(wǎng)面、不同取向的全部衍射線，獲得相應的衍射圖譜。通過對材料進行X射線衍射，江蘇奧林巴斯Terra便攜式XRD分析儀廠家定制，分析其衍射圖譜，獲得材料的成分、材料內部原子或分子的結構或形態(tài)等信息的研究手段，所需樣品含量大于1%，江蘇奧林巴斯Terra便攜式XRD分析儀廠家定制。使用衍射儀的探測器以一定的角度繞樣品旋轉，接收到粉晶中不同網(wǎng)面、不同取向的全部衍射線。江蘇奧林巴斯Terra便攜式XRD分析儀廠家定制</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇奧林巴斯Terra便攜式XRD分析儀廠家定制,衍射儀" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414088836987885/1646217.png"></div><p style="text-indent:25px">對于粉塵中的游離二氧化硅含量的測定目前有焦磷酸法、紅外分光光度法或X射線衍射法。傳統(tǒng)實驗室中，出于現(xiàn)有分析設備和檢測成本的考量，通常采用焦磷酸法。但該法由于測定步驟較為繁瑣，在檢測過程中存在較多不可控因素，導致測量結果精度不甚理想。同時作為化學檢測手段，該方法實施過程中涉及酸等一些腐蝕有害的化學試劑以及酸加熱等危險操作，給實驗人員的安全帶來一定風險。另外兩種檢測方法-紅外分光光度法和X射線衍射法均屬于物理檢測手段，但相比于紅外分光光度法中涉及的紅外光譜儀，X射線衍射儀具有體積小、分辨率高、操作靈活、數(shù)據(jù)類型多、造價低等相對優(yōu)勢。揚州衍射儀供應商有哪些X射線衍射儀衍射線形分析，如晶粒度和嵌鑲塊尺度的測定。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇奧林巴斯Terra便攜式XRD分析儀廠家定制,衍射儀" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414088809380639/247284.png"></div><p style="text-indent:25px">衍射儀的進展主要在三個方面：1 X 射線發(fā)生器，2、探測器，3、衍射幾何與光路。X射線發(fā)生器是進行X射線衍射實驗所不可缺少的、重要的設備之一，其優(yōu)劣會嚴重影響X射線衍射數(shù)據(jù)的質量。探測器是用來記錄衍射譜的，因而是多晶體衍射設備中不可或缺的重要部件之一。早先被使用的是照相底片，由于它吸收率低，大量X射線會透過而不被吸收；它的計數(shù)線性范圍不大，強衍射不易測準；而且，還會起“霧”；又由于要有暗室用化學法進行顯影、定影、沖洗、曬干等一套繁瑣的過程，因此被性能更好的光子計數(shù)器所取代。計數(shù)器探測器不需化學處理，可以通過電子電路直接記錄衍射的光子數(shù)，方便了許多。起初的計數(shù)器是蓋格計數(shù)器，但由于它的時間分辨率不高，計數(shù)的線性范圍不大，故不是一個良好的探測器。以后，正比計數(shù)器及閃爍計數(shù)器取代了蓋格計數(shù)器，成為較多使用的探測器。隨著人類對自然的認識越來越廣，越來越深，對實驗的要求也越來越高，越多樣化，簡單的正比或閃爍計數(shù)器亦不能滿足不同的實驗要求，于是又陸續(xù)發(fā)展出許多不同的探測器。</p><p style="text-indent:25px">X射線衍射儀是物質進行物相分析的常用儀器之一。由于不同物質具有不同的結構，因此具有各自不同的衍射譜線。目前可以根據(jù)表征出來的晶型結構的衍射譜線，可以確定物質中的晶格種類；根據(jù)表征出來的衍射峰的峰強等進行物質晶型含量的分。通過X射線衍射儀來對鈦白粉的晶型和晶型比例進行分析，也對鈦白粉表面改性劑中包膜物質進行定性研究，研究鈦白粉產(chǎn)品中雜質元素的種類。使用的X射線衍射儀的性能及待測樣品的實際情況選擇較佳測試條件，即調節(jié)光管電流、電壓和狹縫等條件。選擇2°/min或0.02°/步。掃描角度選擇5°≤2θ≤70°。將鈦白粉粉末樣品在樣品盤上使用平滑的刮片施以一定的壓力將樣品垂直壓緊成型，制成表面平滑的試樣片，放入儀器待測。在分析測定完成后，數(shù)據(jù)處理軟件中找到分析樣品的譜線圖，數(shù)據(jù)庫中找到對比的圖譜，可以確定樣品中所含有的物質。X射線發(fā)生器主要由高壓控制系統(tǒng)和X光管組成，它是產(chǎn)生X射線的裝置(產(chǎn)生X射線的裝置)，。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇奧林巴斯Terra便攜式XRD分析儀廠家定制,衍射儀" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414088817368702/3498604.png"></div><p style="text-indent:25px">x射線衍射儀，特征：X射線及其衍射X射線是一種波長（0.06-20nm）很短的電磁波，能穿透一定厚度的物質，并能使熒光物質發(fā)光、照相機乳膠感光、氣體電離。用高能電子束轟擊金屬靶產(chǎn)生X射線，它具有靶中元素相對應的特定波長，稱為特征X射線。如銅靶對應的X射線波長為0.154056 nm。X射線衍射儀的英文名稱是X-ray Powder diffractometer簡寫為XPD或XRD。有時會把它叫做x射線多晶體衍射儀，英文名稱為X-ray polycrystalline diffractometer簡寫仍為XPD或XRD。X射線衍射分析法是研究物質的物相和晶體結構的主要方法。當某物質(晶體或非晶體)進行衍射分析時,該物質被X射線照射產(chǎn)生不同程度的衍射現(xiàn)象,物質組成、晶型、分子內成鍵方式、分子的構型、構象等決定該物質產(chǎn)生特有的衍射圖譜。X射線衍射方法具有不損傷樣品、無污染、快捷、測量精度高、能得到有關晶體完整性的大量信息等優(yōu)點。X射線衍射儀幫助用戶了解是否正確制備了樣品（粒子統(tǒng)計和/或晶粒的擇優(yōu)取向）。江蘇奧林巴斯Terra便攜式XRD分析儀廠家定制</p><p style="text-indent:25px">奧林巴斯XRD衍射儀使用一種獨特的方式，快速、方便地采集和處理XRD數(shù)據(jù)。江蘇奧林巴斯Terra便攜式XRD分析儀廠家定制</p><p style="text-indent:25px">X射線衍射儀工作原理：x射線的波長和晶體內部原子面之間的間距相近，晶體可以作為X射線的空間衍射光柵，即一束X射線照射到物體上時，受到物體中原子的散射，每個原子都產(chǎn)生散射波，這些波互相干涉，結果就產(chǎn)生衍射。衍射波疊加的結果使射線的強度在某些方向上加強，在其他方向上減弱。分析衍射結果，便可獲得晶體結構。以上是1912年德國物理學家勞厄(M.von Laue)提出的一個重要科學預見，隨即被實驗所證實。1913年，英國物理學家布拉格父子(W.H.Bragg，W.L.Bragg)在勞厄發(fā)現(xiàn)的基礎上，不僅成功的測定了NaCl，KCl等晶體結構，還提出了作為晶體衍射基礎的公式——布拉格方程：2dsinθ=nλ。江蘇奧林巴斯Terra便攜式XRD分析儀廠家定制</p><p style="text-indent:25px">上海澤權儀器設備有限公司位于上海市徐匯區(qū)肇嘉浜路798號坤陽商務廣場303室。上海澤權儀器致力于為客戶提供良好的奧林巴斯土壤中金屬分析儀，奧林巴斯合金分析儀，奧林巴斯衍射儀，連續(xù)流動分析儀，一切以用戶需求為中心，深受廣大客戶的歡迎。公司從事機械及行業(yè)設備多年，有著創(chuàng)新的設計、強大的技術，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務。上海澤權儀器憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務、眾多的成功案例積累起來的聲譽和口碑，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/2562019.html</p></div></div></div></div></div><div id="x3g3eq2" class="page-right twoColRt"><div id="fde83lk" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3nefwnz" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="ehsj3jk" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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