飼料原子吸收分光光度計(jì)廠家誠(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(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="火焰中有兩種以上原子的吸收線與光源發(fā)射的剖析線相堆疊時(shí)產(chǎn)生臨近線干擾，這種干擾使結(jié)果偏高，飼料原子吸收分光光度計(jì)廠家。當(dāng)剖析元素的吸收線和共存元素的吸收線完整堆疊，飼料原子吸收分光光度計(jì)廠家，而剖析元素的含量比較低時(shí)，飼料原子吸收分光光度計(jì)"><meta name="keywords" content="飼料原子吸收分光光度計(jì)廠家,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 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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>飼料原子吸收分光光度計(jì)廠家,原子吸收分光光度計(jì)</p><p><span>***更新：</span>2021-01-30 02:12:47</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="fzntzvd" 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="rpnth9b" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="b9n99hv" class="box"><p><p style="text-indent:25px">火焰中有兩種以上原子的吸收線與光源發(fā)射的剖析線相堆疊時(shí)產(chǎn)生臨近線干擾，這種干擾使結(jié)果偏高，飼料原子吸收分光光度計(jì)廠家。當(dāng)剖析元素的吸收線和共存元素的吸收線完整堆疊，飼料原子吸收分光光度計(jì)廠家，而剖析元素的含量比較低時(shí)，飼料原子吸收分光光度計(jì)廠家，測(cè)得的只是共存元素的吸收信號(hào)。當(dāng)剖析元素的剖析線中心位置和共存元素的吸收線的中心位置稍有偏離，但仍有相當(dāng)水平的堆疊，此時(shí)得于的吸收信號(hào)仍有比較大一局部是共存元素產(chǎn)生的。當(dāng)共存元素的吸收線和剖析元素的吸收線稍有堆疊時(shí)，吸收信號(hào)中仍有小局部是共存元素產(chǎn)生的。只要剖析元素的吸收線和共存元素的吸收線完整別離時(shí)，共存元素才不產(chǎn)生干擾。Co253.649對(duì)Hg253.652r的干擾是典型的吸收線堆疊干擾。原子吸收分光光度計(jì)具有靈敏度高及選擇性好兩大主要優(yōu)點(diǎn)。飼料原子吸收分光光度計(jì)廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="飼料原子吸收分光光度計(jì)廠家,原子吸收分光光度計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991385859509/5179129.png"></div><p style="text-indent:25px">原子吸收分光光度計(jì)常見(jiàn)的故障解決方法：故障現(xiàn)象：燃燒縫因生銹被腐蝕，致使汽化的樣品不能全部被原子化，降低了靈敏度。產(chǎn)生原因：液體樣品在噴霧器和撞擊球雙重作用下被汽化，結(jié)尾這些汽化的樣品集中流經(jīng)到燃燒縫處被火焰加熱到原子化狀態(tài)參與測(cè)試。解決方法：如果火焰燃燒頭的燃燒縫被堵塞，勢(shì)必造成靈敏度的下降，解決的辦法就是用稀酸清洗燃燒縫。另一個(gè)有關(guān)燃燒縫的故障是燃燒縫因生銹而被腐蝕，造成縫隙處不光潔，從而影響了靈敏度的下降。分析檢測(cè)原子吸收分光光度計(jì)經(jīng)銷(xiāo)商原子吸收分光光度計(jì)，就有原子吸收分光光度計(jì)和帶石墨爐的原子吸收分光光度計(jì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="飼料原子吸收分光光度計(jì)廠家,原子吸收分光光度計(jì)" src="https://tyunfile.71360.com/WaterMark/UploadFile/ydfx123/637419991268710095/3209448.png"></div><p style="text-indent:25px">火焰原子吸收分光光度計(jì)使用的注意事項(xiàng)：1、應(yīng)放在干燥的房間內(nèi)，使用時(shí)放置在堅(jiān)固平穩(wěn)的工作臺(tái)上，室內(nèi)照明不宜太強(qiáng)。熱天時(shí)不能用電扇直接向儀器吹風(fēng)，防止燈泡燈絲發(fā)亮不穩(wěn)定。2、為了防止光電管疲勞，不測(cè)定時(shí)必須將試樣室蓋打開(kāi)，使光路切斷，以延長(zhǎng)光電管的使用壽命。、取拿比色皿時(shí)，手指只能捏住比色皿的毛玻璃面，而不能碰比色皿的光學(xué)表面。4、比色皿不能用堿溶液或氧化性強(qiáng)的洗滌液洗滌，也不能用毛刷清洗。比色皿外壁附著的水或溶液應(yīng)用擦鏡紙或細(xì)而軟的吸水紙吸干，不要擦拭，以免損傷它的光學(xué)表面。5、使用光度計(jì)前，應(yīng)該首先了解本儀器的結(jié)構(gòu)和工作原理，以及各個(gè)操縱旋鈕之功能。在未按通電源之前，原子吸收分光光度計(jì)應(yīng)該對(duì)火焰原子吸收分光光度計(jì)的安全性能進(jìn)行檢查，電源接線應(yīng)牢固，通電也要良好，各個(gè)調(diào)節(jié)旋鈕的起始位置應(yīng)該正確，然后再按通電源開(kāi)關(guān)。6、長(zhǎng)期不用時(shí)，需用將儀器使用防護(hù)罩罩住。</p><p style="text-indent:25px">原子吸收分光光度計(jì)利用待測(cè)元素的共振輻射，原子吸收分光光度計(jì)價(jià)格通過(guò)其原子蒸汽，測(cè)定其吸光度的裝置稱(chēng)為原子吸收分光光度計(jì)。原子吸收分光光度計(jì)價(jià)格它有單光束，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(cè)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)。普遍應(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(cè)定每種元素均需要相應(yīng)的空心陰極燈，這對(duì)檢測(cè)工作帶來(lái)不便。原子吸收分光光度計(jì)針對(duì)于金屬微量元素的定量分析。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="飼料原子吸收分光光度計(jì)廠家,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">目前原子吸收法已用來(lái)測(cè)定地質(zhì)樣品中70多種元素，并且大部分能夠達(dá)到足夠的靈敏度和比較好的精密度。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。原子吸收在食品分析中越來(lái)越普遍。食品和飲料中的20多種元素已有滿意的原子吸收分析方法。生化和臨床樣品中必需元素和有害元素的分析現(xiàn)已采用原子吸收法。有關(guān)石油產(chǎn)品、陶瓷、農(nóng)業(yè)樣品、藥物和涂料中金屬元素的原子吸收分析的文獻(xiàn)報(bào)道近些年來(lái)越來(lái)越多。水體和大氣等環(huán)境樣品的微量金屬元素分析已成為原子吸收分析的重要領(lǐng)域之一。利用間接原子吸收法尚可測(cè)定某些非金屬元素。試樣中被測(cè)元素原子化的方法主要有火焰原子化法和非火焰原子化法兩種。司法檢測(cè)原子吸收分光光度計(jì)多少錢(qián)</p><p style="text-indent:25px">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。飼料原子吸收分光光度計(jì)廠家</p><p style="text-indent:25px">原子吸收分光光度計(jì)可普遍應(yīng)用于食品、醫(yī)藥、環(huán)境、生物、農(nóng)業(yè)、石油化工、建筑、材料、地質(zhì)、冶金、科研等領(lǐng)域。一、原子吸收火焰法：原子吸收的火焰法作為一種較常用的分析方法被普遍的使用，對(duì)于一些常見(jiàn)的，含量在一定可測(cè)范圍內(nèi)金屬元素而言，火焰原子吸收法簡(jiǎn)單而快捷，結(jié)果的準(zhǔn)確度非常高。二、原子吸收石墨爐法：原子吸收石墨爐法是原子吸收應(yīng)用中較經(jīng)典的方法，一般的石墨爐可以瞬時(shí)升溫至3000℃，對(duì)于一些含量極低的或者一些高溫元素的定量檢測(cè)十分有效，甚至比較多儀器和分析**認(rèn)為，之所以原子吸收分光光度計(jì)沒(méi)有被淘汰至今還在普遍的適用正是因?yàn)樵游盏氖珷t法的精度及較小檢測(cè)極限是目前所有測(cè)試方法中幾乎無(wú)可替代的。三、原子吸收氫化物法：也稱(chēng)冷原子法，一般用于測(cè)定汞、砷之類(lèi)的元素。所以在原子吸收分光光度計(jì)的選擇上，我們首先要選定主要是用哪一種方法去做金屬元素的含量測(cè)定，然后根據(jù)測(cè)定方法去確定原子吸收分光光度計(jì)的配置。飼料原子吸收分光光度計(jì)廠家</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3071405.html</p></div></div></div></div></div><div id="tjp9xlj" class="page-right twoColRt"><div id="hbf97dh" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="pd9vrx9" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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