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href="http://www.cdcfah.com/cp/third-fenxiyiqinh_qtfxyqej/">其他分析儀器</a>?蕪湖流動(dòng)分析儀工廠服務(wù)至上上海澤權(quán)儀器設(shè)備供應(yīng)</p><div id="8vsur84" class="leftbox clearfix"><h1>蕪湖流動(dòng)分析儀工廠服務(wù)至上上海澤權(quán)儀器設(shè)備供應(yīng)</h1><div id="lkwtq54" class="proBig"><div id="3eank9h" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414088224966341/2940747.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="t3l3zbr" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414088224966341/2940747.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8zb33ji" 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>蕪湖流動(dòng)分析儀工廠,流動(dòng)分析儀</p><p><span>***更新：</span>2021-01-05 10:15:39</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="wvsk3xz" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海澤權(quán)儀器設(shè)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(jī): </span>021-62837120</p><p><span>地址: </span>上海市徐匯區(qū)肇嘉浜路798號(hào)坤陽商務(wù)廣場(chǎng)303室</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="e77st9r" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="pzgyfze" class="box"><p><p style="text-indent:25px">儀器設(shè)備結(jié)構(gòu)較簡單、緊湊，特別是集成或微管道系統(tǒng)的出現(xiàn)，致使流動(dòng)注射技術(shù)朝微型跨進(jìn)一大步。采用的管道多數(shù)是由聚乙烯、聚四氟乙烯等材料制成的，具有良好的耐腐蝕性能。操作簡便、易于自動(dòng)連續(xù)分析，蕪湖流動(dòng)分析儀工廠，流動(dòng)注射技術(shù)把吸光分析法、熒光分析法、原子吸收分光光度法、比濁法和離子選擇電極分析法等分析流程管道化，除去了原來分析中大量而繁瑣的手工操作，并由間歇式流程過渡到連續(xù)自動(dòng)分析，避免了在操作中人為的差錯(cuò)。分析速度快、精密度高由于反應(yīng)不需要達(dá)到平衡后才測(cè)定，因而，分析頻率很高，一般為60～120個(gè)樣品/小時(shí)。測(cè)定廢水中S2－時(shí)，蕪湖流動(dòng)分析儀工廠，分析頻率高達(dá)720樣品/小時(shí)，蕪湖流動(dòng)分析儀工廠。注射分析過程的各種條件可以得到較嚴(yán)格的控制，因此提高了分析的精密度，相對(duì)標(biāo)準(zhǔn)偏差一般可達(dá)1%以內(nèi)。采用斷續(xù)流動(dòng)法的合并帶體系。蕪湖流動(dòng)分析儀工廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蕪湖流動(dòng)分析儀工廠,流動(dòng)分析儀" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414088224966341/2940747.png"></div><p style="text-indent:25px">原子發(fā)射光譜法是傳統(tǒng)的用于檢測(cè)重金屬的方法，這種方法具有蒸發(fā)、原子化和激發(fā)能力強(qiáng)、分析精確度高、線性范圍較廣、干擾效應(yīng)少等優(yōu)勢(shì)。將這種方法與流動(dòng)注射分析相結(jié)合，能夠?qū)崿F(xiàn)更加復(fù)雜的分離富集的操作，并且減少試劑的用量，在水環(huán)境重金屬監(jiān)測(cè)方面具有重要的地位。與傳統(tǒng)的測(cè)定方法相比，將流動(dòng)注射分析技術(shù)與原子發(fā)射光譜法相結(jié)合的方法準(zhǔn)確率更高、操作更簡單。流動(dòng)注射分析的檢測(cè)方法正在不斷的改進(jìn)和發(fā)展，將檢測(cè)的選擇性和靈敏度不斷地提升。同時(shí)流動(dòng)注射分析技術(shù)正逐漸的向著微型化、集成化的方向不斷發(fā)展，微全分析系統(tǒng)將逐漸成為分析類儀器的重要發(fā)展方向。浙江流動(dòng)分析儀代理流動(dòng)注射分析儀可提高工作效率，適用于生活飲用水分析。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蕪湖流動(dòng)分析儀工廠,流動(dòng)分析儀" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414088132817897/6595107.png"></div><p style="text-indent:25px">試劑試樣用量少適用性較廣，流動(dòng)注射分析試樣、試劑的用量，每次*需數(shù)十微升至數(shù)百微升，不但節(jié)省了試劑，降低了費(fèi)用，對(duì)諸如血液、體液等稀少試樣的分析顯示出獨(dú)特的優(yōu)點(diǎn)。FIA既可用于多種分析化學(xué)反應(yīng)，又可以采用多種檢測(cè)手段，還可以完成復(fù)雜的萃取分離、富集過程，因此擴(kuò)大了其應(yīng)用范圍，可普遍地應(yīng)用于臨床化學(xué)、藥物化學(xué)、農(nóng)業(yè)化學(xué)、食品分析、冶金分析和環(huán)境分析等領(lǐng)域中。在土壤分析中主要用于測(cè)定土壤銨態(tài)氮、硝態(tài)氮、亞硝態(tài)氮等；在水質(zhì)分析中主要應(yīng)用于測(cè)定水質(zhì)的銨態(tài)氮、硝態(tài)氮、亞硝態(tài)氮、總氮、磷酸鹽、總磷、碳酸鹽、碳酸氫鹽、氯化物、硫酸鹽、高錳酸鹽指數(shù)、總化物、總揮發(fā)酚、表面活性劑、硫化物、硅酸鹽和硼酸鹽等。</p><p style="text-indent:25px">按照連續(xù)流動(dòng)的方法，通過蠕動(dòng)泵壓縮不同管徑的泵管，將反應(yīng)試劑和待測(cè)樣品按比例注入一個(gè)：密閉、連續(xù)的流動(dòng)載流中，在化學(xué)反應(yīng)單元中發(fā)生顯色反應(yīng)，在檢測(cè)器中測(cè)得其信號(hào)值，按照標(biāo)準(zhǔn)曲線法測(cè)定待測(cè)樣品的濃度。流動(dòng)注射分析儀，近年來，通過用空氣氣泡隔開各反應(yīng)液體以阻止樣品之間擴(kuò)散的改進(jìn)技術(shù)，相繼出現(xiàn)了連續(xù)流動(dòng)分析儀和間隔流動(dòng)分析儀。流動(dòng)注射分析儀由進(jìn)樣器、蠕動(dòng)泵、化學(xué)反應(yīng)單元、檢測(cè)器及A/D轉(zhuǎn)換器等組成。流動(dòng)注射分析實(shí)際上是一種管道化的連續(xù)流動(dòng)分析法。它主要包括試樣溶液注入載流、試樣溶液與載流的混合和反應(yīng)(試樣的分散和反應(yīng))、試樣溶液隨載流恒速地流進(jìn)檢測(cè)器被檢測(cè)三個(gè)過程。采用的管道多數(shù)是由聚乙烯、聚四氟乙烯等材料制成的，具有良好的耐腐蝕性能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蕪湖流動(dòng)分析儀工廠,流動(dòng)分析儀" src="https://tyunfile.71360.com/UploadFile/zequanyiqi/637414088289362059/8558892.png"></div><p style="text-indent:25px">流速的影響是載液流速減慢,則同等時(shí)間內(nèi)擴(kuò)散到整個(gè)反應(yīng)體系中的樣品量減少,檢測(cè)結(jié)果偏低。緩沖溶液流速減慢,會(huì)導(dǎo)致檢測(cè)反應(yīng)體系中緩沖溶液不足,其影響較為復(fù)雜。樣品中的干擾離子得不到很好的掩蔽,使儀器靈敏度、穩(wěn)定性降低,特別是低含量樣品的檢測(cè),準(zhǔn)確性明顯下降。采用催化方法選取不穩(wěn)定的中間產(chǎn)物(如苯酚—次氯酸鹽分光光度法測(cè)水中的氨氮)為檢測(cè)對(duì)象時(shí),反應(yīng)體系中緩沖溶液含量直接影響中間產(chǎn)物的生成狀態(tài),其顏色與校準(zhǔn)曲線的細(xì)微差別常常會(huì)造成分光檢測(cè)結(jié)果的較大誤差。緩沖溶液不足對(duì)于酸堿度過高或過低的樣品難起緩沖作用,不能保證反應(yīng)在較佳條件下進(jìn)行,從而降低了分析方法的靈敏度。緩沖溶液不足,相當(dāng)于人為的提高了待測(cè)組分在反應(yīng)體系中的比例,造成結(jié)果偏高。流動(dòng)分析儀的雙量程測(cè)量實(shí)現(xiàn)了高、低濃度可通過不同的進(jìn)樣管進(jìn)行測(cè)量。蕪湖流動(dòng)分析儀工廠</p><p style="text-indent:25px">流動(dòng)注射分析儀省去了人工蒸餾和萃取等操作步驟，避免了人為因素干擾。蕪湖流動(dòng)分析儀工廠</p><p style="text-indent:25px">顯色劑流速減慢通常顯色劑是過量的,除非出現(xiàn)嚴(yán)重堵塞,否則一般不會(huì)影響檢測(cè)對(duì)象的生成,但顯色劑含量的減少間接提高了待測(cè)組分在反應(yīng)體系中的比例,易造成分析結(jié)果偏高。因?yàn)榉磻?yīng)全過程均在流動(dòng)體系中進(jìn)行,所以流速就成為較重要的影響因素,阻塞也就成為較主要的故障(這里的阻塞包括流速的減緩、不暢和倒流)。試劑純度不夠、樣品溶液殘留懸浮顆粒物、可溶性金屬離子含量過高、反應(yīng)回路中使用聚乙烯管和聚四氟乙烯管使用一定時(shí)間后,都會(huì)影響流速,甚至造成堵塞。輸液管線聚乙烯管使用一段時(shí)間后,表面逐漸磨損、彈性逐漸喪失,管線與泵的接觸較以前減弱,作用于其上的壓力相應(yīng)減小。減小趨勢(shì)的不同步導(dǎo)致各管線流速變化的不均勻。流速的改變直接影響各試劑的擴(kuò)散情況,導(dǎo)致試劑在混合樣品中所占比例發(fā)生變化,同等時(shí)間內(nèi)截取到的等量混合樣品中,其中待測(cè)組分的實(shí)際比例與校準(zhǔn)曲線的標(biāo)準(zhǔn)采集量不同,相當(dāng)于被人為地稀釋或富集,再按原有的線性關(guān)系進(jìn)行分析會(huì)有較大出入。蕪湖流動(dòng)分析儀工廠</p><p style="text-indent:25px">上海澤權(quán)儀器設(shè)備有限公司總部位于上海市徐匯區(qū)肇嘉浜路798號(hào)坤陽商務(wù)廣場(chǎng)303室，是一家儀器儀表、玻璃制品、辦公用品、機(jī)電產(chǎn)品、五金交電、金屬材料、百貨、化工原料及產(chǎn)品（除危險(xiǎn)化學(xué)品、監(jiān)控化學(xué)品、煙花爆竹、民用物品、易制毒化學(xué)品）、計(jì)算機(jī)、軟件及輔助設(shè)備的銷售，儀器儀表的維修（除計(jì)量器具），儀器儀表的租賃（不得從事金融租賃），從事儀器儀表技術(shù)領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)轉(zhuǎn)讓、技術(shù)咨詢、技術(shù)服務(wù)、商務(wù)咨詢，從事貨物及技術(shù)的進(jìn)出口業(yè)務(wù)。的公司。上海澤權(quán)儀器作為儀器儀表、玻璃制品、辦公用品、機(jī)電產(chǎn)品、五金交電、金屬材料、百貨、化工原料及產(chǎn)品（除危險(xiǎn)化學(xué)品、監(jiān)控化學(xué)品、煙花爆竹、民用物品、易制毒化學(xué)品）、計(jì)算機(jī)、軟件及輔助設(shè)備的銷售，儀器儀表的維修（除計(jì)量器具），儀器儀表的租賃（不得從事金融租賃），從事儀器儀表技術(shù)領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)轉(zhuǎn)讓、技術(shù)咨詢、技術(shù)服務(wù)、商務(wù)咨詢，從事貨物及技術(shù)的進(jìn)出口業(yè)務(wù)。的企業(yè)之一，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(dòng)分析儀。上海澤權(quán)儀器始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。上海澤權(quán)儀器始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使上海澤權(quán)儀器在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: 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