tokenpockettokenpocketcom官网下载正版|icp是什么分析仪器
tokenpockettokenpocketcom官网下载正版|icp是什么分析仪器
成分分析四大家—XRF、ICP、EDS、WDS - 知乎
成分分析四大家—XRF、ICP、EDS、WDS - 知乎首发于生化环材切换模式写文章登录/注册成分分析四大家—XRF、ICP、EDS、WDS测试狗科研服务已认证账号FirstXRF指的是X射线荧光光谱仪,可以快速同时对多元素进行测定的仪器。在X射线激发下,被测元素原子的内层电子发生能级跃迁而发出次级X射线(X-荧光)。从不同的角度来观察描述X射线,可将XRF分为能量散射型X射线荧光光谱仪,缩写为EDXRF或EDX和波长散射型X射线荧光光谱仪,可缩写为WDXRF或WDX,但市面上用的较多的为EDX。WDX用晶体分光而后由探测器接收经过衍射的特征X射线信号。如分光晶体和探测器做同步运动,不断地改变衍射角,便可获得样品内各种元素所产生的特征X射线的波长及各个波长X射线的强度,并以此进行定性和定量分析。EDX用X射线管产生原级X射线照射到样品上,所产生的特征X射线进入Si(Li)探测器,便可进行定性和定量分析。EDX体积小,价格相对较低,检测速度比较快,但分辨率没有WDX好。XRF用的是物理原理来检测物质的元素,可进行定性和定量分析。即通过X射线穿透原子内部电子,由外层电子补给产生特征X射线,根据元素特征X射线的强度,即可获得各元素的含量信息。这就是X射线荧光分析的基本原理。它只能测元素而不能测化合物。但由于XRF是表面化学分析,故测得的样品必须满足很多条件才准,比如表面光滑,成分均匀。如果成分不均匀,只能说明在XRF测量的那个微区的成分如此,其他的不能表示。XRF的优点:分析速度高。测定用时与测定精密度有关,但一般都很短,2-5分钟就可以测完样品中的全部元素。非破坏性。在测定中不会引起化学状态的改变,也不会出现试样飞散现象。同一试样可反复多次测量,结果重现性好。分析精密度高。制样简单,固体、粉末、液体样品等都可以进行分析。测试元素范围大,WDX可在ppm-100%浓度下检测B5-U92,而EDX可在1ppm-100ppm下检测大多数元素,Na11-U92。此外还可以检测Cu合金中的Be含量。可定量分析材料元素组成,分辨率高,探针尺寸为500μm (WDX), 75μm (EDX)。SecondICP是电感耦合等离子谱仪。根据检测器的不同分为ICP—OES(电感耦合等离子发射光谱仪,也称ICP-AES)和ICP-MS(电感耦合等离子质谱仪)。两者均能测元素周期表中的绝大部分元素,但能测得元素稍微有异,检测能力上后者要比前者高。因为ICP光源具有良好的原子化、激发和电离能力,所以它具有很好的检出限。对于多数元素,其检出限一般为0.1~100ng/ml,可以同时测试多种元素,灵敏度高,检测限低,测试范围宽(低含量成分和高含量成分能够同时测试)。ICP-OES其前身为ICP-AES(电感耦合等离子体原子发射谱仪),它基于物质在高频电磁场所形成的高温等离子体中有良好的特征谱线发射,再以半导体检测器检测这些光谱能量,参照同时测定的标准溶液计算出试液中待测元素的含量.ICP-AES测试的有效波长范围是120-800 nm,因为原子发射光谱的所有相关信息都集中在这个范围内。其中,120-160 nm波段尤其适用于分析卤素或者某些特殊应用的替代谱线。注:测试的有效波长范围跟仪器当然也直接相关,有些仪器只能测160 nm以上的波段。一般情况下,ICP-AES测试的都是液体样品,因此测试时需要将样品溶解在特定的溶剂中(一般就是水溶液);测试的样品必须保证澄清,颗粒、悬浊物有可能堵塞内室接口或者通道;溶液样品中不能含有对仪器有损坏的成分(如HF和强碱等)。由于现在ICP发射光谱技术用到了越来越多的离子线,“原子发射光谱仪”已经不是那么科学,所以现在都叫OES了。ICP—OES可同时分析常量和痕量组分,无需繁复的双向观测,还能同时读出、无任何谱线缺失的全谱、直读等离子体发射光谱仪,具有检出限极低、重现性好,分析元素多等显著特点,ICP-OES大部份元素的检出限为1~10ppb,一些元素也可得到亚ppb级的检出限。ICP-OES的检测元素如下图:ICP-MS电感耦合等离子体质谱仪以质谱仪作为检测器,通过将样品转化为运动的气态离子并按质荷比(M/Z)大小进行分离并记录其信息来分析。若其所得结果以图谱表达,即所谓的质谱图。ICP-MS的进样部分及等离子体和ICP-AES的是极其相似的。但ICP-MS测量的是离子质谱,提供在3~250amu范围内每一个原子质量单位(amu)的信息。还可进行同位素测定。ICP-MS具有极低的检出限,其溶液的检出限大部份为ppt级,石墨炉AAS的检出限为亚ppb级,但由于ICP-MS的耐盐量较差,ICP-MS的检出限实际上会变差多达50倍,一些轻元素(如S、Ca、Fe、K、Se)在ICP-MS中有严重的干扰,其实际检出限也很差。ICP-MS的检测元素和检测极限如下图:整体来说,ICP-OES和ICP-MS可分析的元素基本一致,不过由于分析检测系统的差异,两者的检测限有差异:ICP-MS的检测限很低,最好的可以达到ng/L(ppt)的水平;而ICP-AES一般是ug/L(ppb)的级别。不过ICP-MS只能分析固体溶解量为0.2%左右的溶液(因此经常需要稀释),而ICP-AES则可以分析固体溶解量超过20%的溶液。ThirdEDS是能量色散X射线谱仪,简称能谱仪,常用作扫描电镜或透射电镜的微区成分分析。利用发射出来的特征X射线能量不同而进行的元素分析,称为能量色散法。X射线能谱仪的主要构成单元是Si(Li)半导体检测器,即锂飘移硅半导体检测器和多道脉冲分析器。目前还不能用于分析超轻元素(O、N、C等)。由于能谱仪中Si(Li)检测器的Be窗口吸收超轻元素的X射线,故只能分析Na以后的元素。能谱仪结构简单,数据稳定性和重现性较好。WDS全称波长分散谱仪,简称波谱仪,常用作电子探针仪中的微区成分分析,其分辨率比能谱仪高一个数量级,但它只能逐个测定每一元素的特征波长,一次全分析往往需要几个小时。在电子探针中,X射线是由样品表面以下m数量级的作用体积中激发出来的,如果这个体积中的样品是由多种元素组成,则可激发各个相应元素的特征X射线。被激发的特征X射线照射到连续转动的分光晶体上实现分光(色散),即不同波长的X射线将在各自满足布拉格方程的2θ方向上被(与分光晶体以2:1的角速度同步转动的)检测器接收。波谱仪的突出特点是波长分辨率很高,缺点是X射线信号的利用率极低,难以在低束流和低激发强度下使用。波谱仪可分析铍(Be)— 铀U之间的所有元素。波谱仪的定量分析误差(1-5%)远小于能谱仪的定量分析误差(2-10%)。波谱仪要求样片表面平整,能谱仪对样品表面没有特殊要求。EDS需要与SEM、TEM、XRD等联用,可做电分析、线分析和面分析。WDS对于微量元素即含量小于0.5%元素分析明显比EDS准确。波谱仪分辨本领为0.5nm,相当于5-10eV,而能谱仪最佳分辨本领为149eV。Final综上所述,XRF和ICP常用作成分的定量分析,其中XRF用物理方法检测而ICP用化学方法进行测试。相对XRF,ICP的检测范围更宽,检测极限更低,检测出的数据更准确。EDS和WDS常用作电镜的附件进行成分分析,但多作为半定量分析,仅可以看出各个元素的比值和大概分布情况及含量,准确性不如XRF和ICP。声明:本文版权属于测试狗,投稿转载请联系GO三思(kf01@ceshigo.com),如需转载请注明出处,并附有原文链接,谢谢!发布于 2019-08-22 14:19科研赞同 10914 条评论分享喜欢收藏申请转载文章被以下专栏收录生
一文看懂电感耦合等离子体质谱仪(ICP-MS) - 知乎
一文看懂电感耦合等离子体质谱仪(ICP-MS) - 知乎切换模式写文章登录/注册一文看懂电感耦合等离子体质谱仪(ICP-MS)深圳八六三检测第三方检测机构中新材料技术领域的专家一、ICP-MS介绍1.ICP-MS介绍ICP-MS全称为电感耦合等离子体质谱仪(Inductively coupled plasma-Mass Spectrometry)。 它是一种将ICP技术和质谱结合在一起的分析仪器。ICP利用在电感线圈上施加的强大功率的高频射频信号在线圈内部形成高温等离子体,并通过气体的推动,保证了等离子体的平衡和持续电离,在ICP-MS中,ICP起到离子源的作用,高温的等离子体使大多数样品中的元素都电离出一个电子而形成了一价正离子。质谱是一个质量筛选和分析器,通过选择不同质核比(m/z)的离子通过来检测到某个离子的强度,进而分析计算出某种元素的强度。样品通过离子源离子化,形成离子流,通过接口进入真空系统,在离子镜中,负离子、中性粒子以及光子被拦截,而正离子正常通过,并且达到聚焦的效果。在分析器中,仪器通过改变分析器参数的设置,仅使我们感兴趣的核质比的元素离子顺利通过并且进入检测器,在检测器中对进入的离子个数进行计数,得到了最终的元素的含量。能同时测定几十种痕量无机元素,可进行同位素分析、单元素和多元素分析,以及有机物中金属元素的形态分析。2.ICP-MS构成a.电感耦合等离子体:样品引入系统;离子源b.接口:采样锥;截取锥c.质谱:离子透镜系统;四级杆离子过滤器;检测器3. ICP-MS分类• 四极杆(Quadrupole)• 扇形场(Sector Field)• 飞行时间(Time of Flight)• 离子阱(Ion Trap)4. ICP-MS优点-可测定的元素面宽;可达80余元素;-多元素同时测定,包括同位素分析,有机物中金属元素的形态分析;-灵敏度高、检出限低;10-9左右提高到10-12g/mL的水平;-选择性好、谱线干扰少;-动态线性范围宽:可达8个数量级。5.ICP-MS应用(1)水环境的监测分析 (2)土壤环境的监测分析 (3)半导体行业材料杂质分析 (4)钢铁及有色金属分析 (5)石油化工分析 (6)法医公安分析 (7)核工业分析 二、ICP-MS检测标准及测定方法6. ICP-MS检测标准-HJ 657-2013空气和废气颗粒物中铅等金属元素的测定电感耦合等离子体质谱法-HJ 700-2014水质65种元素的测定 电感耦合等离子体质谱法-HJ 766-2015固体废物 金属元素的测定 电感耦合等离子体质谱法-HJ 803-2016土壤和沉积物12种金属元素的测定 王水提取-电感耦合等离子体质谱法-GB/T 30903-2014无机化工产品 杂质元素的测定 电感耦合等离子体质谱法(ICP-MS)-GB/T 35828-2018化妆品中铬、砷、镉、锑、铅的测定 电感耦合等离子体质谱法-GB/T 33351.1-2016电子电气产品中砷、铍、锑的测定 第1部分:电感耦合等离子体质谱法-GB/T 8647.11-2019镍化学分析方法 第11部分镁、铝、锰、钴、铜、锌、镉、锡、锑、铅、铋含量的测定 电感耦合等离子体质谱法-GB/T 5121.28-2021铜及铜合金化学分析方法 第28部分:铬、铁、锰、钴、镍、锌、砷、硒、银、镉、锡、锑、碲、铅和铋含量的测定 电感耦合等离子体质谱法-GB/T 17418.7-2010地球化学样品中贵金属分析方法 第7部分:铂族元素量的测定 镍锍试金-电感耦合等离子体质谱法7. ICP-MS常用的测定方法(1)通过谱线的质荷之比进行定性分析;(2)通过谱线全扫描测定所有元素的大致浓度范围,即半定量分析,不需要标准溶液,多数元素测定误差小于20%;(3)用标准溶液校正而进行定量分析,这是在日常分析工作中应用最为广泛的功能;(4)同位素比测定是ICP-MS的一个重要功能,可用于地质学、生物学及中医药学研究上的追踪来源的研究及同位素示踪。三、ICP-MS检测案列-8.1水质分析背景信息:鉴别是否符合电子级水测试方法:GB/T 11446.1-2013电子级水测试结果:测试项目单位测试结果EW-Ⅱ标准值单项判定铜(Cu)μg/L0.44≤1符合锌(Zn)μg/L0.22≤1符合镍(Ni)μg/L0.49≤1符合钠(Na)μg/L1.52≤2符合钾(K)μg/L1.00≤2符合铁(Fe)μg/L0.10------铅(Pb)μg/L<0.01------测试结论:该水质符合EW-Ⅱ电子级水。-8.2化妆品有害物质分析背景信息:鉴别该化妆品是否符合《化妆品安全技术规范》(2015年版)测试方法:《化妆品安全技术规范》(2015年版)第四章1.6电感耦合等离子体质谱法测试结果:检验项目单位检验结果方法检出浓度限值汞mg/kg<0.00330.0033≤1铅mg/kg0.1250.090≤10砷mg/kg<0.00330.0033≤2镉mg/kg<0.00330.0033≤5测试结论:理化检验项目铅、砷、汞、镉均符合《化妆品安全技术规范》2015年版的限值规定。发布于 2023-10-31 17:20・IP 属地广东电感耦合等离子体质谱原理与应用(书籍)化妆品安全技术规范赞同1 条评论分享喜欢收藏申请
ICP原理及仪器操作 - 知乎
ICP原理及仪器操作 - 知乎切换模式写文章登录/注册ICP原理及仪器操作百测网一站式科研检测服务平台ICP-OES工作原理:ICP-OES是电感耦合等离子体原子发射光谱仪的英文简称,所谓的等离子体是指电离度0.1%以上的气体,ICP-OES是原子发射光谱分析的一种,主要根据试样物质中气态原子(或离子)被激发以后,其外层电子由激发态返回到基态时,辐射跃迁所发射的特征辐射能(不同的光谱),来研究物质化学组成的一种方法。原子由居中心的原子核和外层电子组成,外层电子围绕原子核在不同能级运行,一般情况下外层电子处于能量最低的基态,当基态外层电子受到外界能量(如电弧、电火花、高频电能等)作用下吸收一定特征的能量跃迁到能量高的另一定态(激发态),处于激发态的电子并不稳定,大约10-8秒将返回基态或者其他较低的能级,并将电子跃迁时吸收的能量以光的形式释放出来。这就是我们通常的原子发射的产生原理;原子发射光谱分析过程主要分三步,即激发、分光和检测。形成ICP焰炬的步骤:第一步:通入等离子体气(也称:冷却气)和辅助气;第二步:向感应线圈接入高频电源;第三步:尖端放电使氩气局部电离成导体,并进而产生感应电流.感应电流加热气体形成火炬状的ICP炬焰.选择Ar作为工作气的理由:1.氩ICP光源有良好的分析性能,灵敏度高而且光谱背景较低2.氩作等离子体易于形成稳定的ICP,所需的高频功率也较低优势主要表现如下方面:1.能快速地同时进行多元素分析测定,周期表多达73种元素;2.测定灵敏度高,包括易形成难熔氧化物的元素在内,检出限可达PPb3.基体效应较低,较易建立分析方法4.标准曲线具有较宽的线性动态范围5.具有良好的精密度和重复性ICP-OES操作规程:一、仪器的准备:1、开机准备1.1 根据实际工作量,确认有足够的氩气用于连续工作(储量≥1瓶)1.2 确认废液收集桶有足够的空间用于容纳废液。1.3 打开电脑显示器和打印机,启动iTEVA 软件,待其电脑与仪器顺利连接(仪器初始化后)预热设备。2、点火准备和点火2.1 充分预热设备(设备等离子体状态栏光室温度为:38±0.1℃)后,打开氩气并调节出口压力在0.55~0.65Mpa 之间。 2.2 检查并确认进样系统(炬管、雾化室、雾化器、泵管等)是否正确安装和连接。2.3 上好蠕动泵夹并调节好其松紧位置,将进样管放入水中。 2.4 打开冷却循环水系统,确认其工作正常(冷却温度设定为20℃~22℃)。2.5 打开抽风机电源,确认风门已经全部打开,并有足够的抽风力。进行点火操作。2.6 打开iTEVA 软件的“等离子体状态” 的“仪器状态”对话框并确认其各内锁状态正常。2.7 确认软件的“等离子体状态” 的“仪器状态” 对话框中温度显示正常:检测器camera:≤ -44℃, 发生器Generator: ≤30℃, 光室Optics:38 ±0.1℃。2.8 执行点火命令“等离子体开启”,仪器点火后执行“光谱仪优化”后稳定15至30分钟。 二、执行分析1、新建编辑或者调用已存分析方法。2、准备好“标准”和待测样品。 3、用标准样品进行标准化。4、分析未知样品。三、关机1、分析完毕后,分别用稀硝酸(2%)和离子水冲洗进样系统3至5分钟。点击“等离子体关闭”熄火; 2、关闭冷却循环水系统电源。3、松开蠕动泵夹,关闭抽风机电源。 4、打开软件的“等离子体状态”的“仪器状态”对话框确认检测器温度显示:检测器camera:≥ 20℃后再继续驱气5-10分钟,关闭氩气。 5、退出iTEVA软件,关闭电脑、显示器、打印机。ICP-OES操作注意事项:1、正确开关气:打开冷却循环水系统前通气30分钟以上方可点火,熄火后及时关闭冷却循环水。 2、分析过程中遇停电应立即关闭仪器主机电源,继续通气20分钟,然后停止供气。待机状态下停电,应立即关闭仪器主机电源和稳压器; 3、确保测定样品清亮透明,如果沉淀和悬浮物质可用定量滤纸过滤,否则容易堵塞雾化器;4、分析过程中遇停气应立即关掉冷却循环水系统,保证CID温度升到15℃以上;继续通气2~3小时,才能重新开启冷却循环系统后点火操作;5、点火提前半小时开启空调和排风,确保热交换平衡;6、确保光室温度在38℃,点火稳定30-50分钟后进行分析测定;7 、分析不同样品(高盐样,有机样品,含HF样等)需要不同的进样配置和分析参数。ICP-MS仪器原理:ICP‐MS 是以独特的接口技术将电感耦合等离子体(ICP)的高温电离特性与四极杆质量分析器(MS)的快速灵敏扫描的优点相结合而形成一种元素和同位素分析技术。测定时样品由载气(氩气)引入雾化系统进行雾化后,以气溶胶形式进入等离子体中心区,在高温和惰性气体中被去溶剂化、汽化解离和电离,转化成带正电荷的正离子,经离子采集系统进入质谱仪,质谱仪根据质荷比进行分离,根据元素质谱峰强度测定样品中相应元素的含量。将ICP技术和质谱结合在一起进行检测分析,ICP利用在电感线圈上施加的强大功率的高频射频信号在线圈内部形成高温等离子体,并通过气体的推动,保证了等离子体的平衡和持续电离,在ICP-MS中,ICP起到离子源的作用,高温的等离子体使大多数样品中的元素都电离出一个电子而形成了一价正离子。质谱是一个质量筛选和分析器,通过选择不同质核比(m/z)的离子通过来检测到某个离子的强度,进而分析计算出某种元素的强度。ICP-MS操作规程:1、开机前检查与准备1.1 确认仪器供电系统正常。1.2 确认排风系统正常。1.3 确认仪器气路系统(氩气)正常。2.2 开机2.2.1 开电脑主机、显示器。2.2.2 开 NexION 仪器开关。主机电源 Instrument RF 电源RGF 。2.2.3 开启真空:在仪器左侧面板按下真空 vacuum 开关,仪器开始抽真空2.2.4 真空达到绿色“ready”状态。2.3 关机(从真空“ready”状态)2.3.1 关闭真空。通过 NexION 软件或仪器主机左侧真空(Vacuum)开关。2.3.2 约 5 分钟后,关闭 NexION 电源开关。RF 电源 RGF 主机电源 Instrument。2.3.3 关电脑主机、显示器。点炬与熄炬:1 点炬前检查与准备1.1 检查氩气(Ar)。总量不低于气瓶总量的 10%或者总压力不低于 90—110 psi。1.2 打开冷却循环水。检查水量是否足够,并确保循环水无变色或者菌类滋生。1.3 确认 NexION 仪器处于绿色“ready”状态,真空度是否正常。1.4 确认蠕动泵管完好、并且连接正常。2 点炬(1)NexION 可以通过软件中 Instrument 界面 Plasma 点燃或者关闭等离子体,也可以通过 ICP‐MS 主机 LED 控制面板上的Plasma ON 按钮点燃或关闭等离子体。(2)点燃等离子体以后,将样品管放入 1‐5% HNO3溶液中或超纯水中冲洗,待分析。 3 熄炬(1)样品分析结束后,吸入 1‐5% HNO3 和超纯水分别冲洗 5分钟。(2)将进样管从溶液中取出,排空雾室中的残留溶液,单击“Plasma” → Stop。(3) 松开进样泵管、排液管。(4)约 1‐2 分钟后,仪器进入“ready”状态,关闭冷却循环水。ICP-MS操作注意事项:1、检查废液桶的液面,依照实验室规定处理废液 2、检查氩气供应是否充足,输出压力设置 0.75–0.85 MPa是否正确3、检查反应池气体是否充足,输出压力设置 0.05MPa是否正确4、检查机械泵的油镜的最低液面以及油的颜色5、检查连接水管是否漏水,检查循环液的液面,检查温度和压力的设置6、检查通风装置的连接以及工作是否正常7、检查泵管是否需要更换、检查泵管排水连接是否正确、每天工作结束时用去离子水或 2%硝酸冲洗8 、检查炬管的清洁和损坏情况、检查中心管的清洁、根据样品基体和使用频率情况,检查锥的沉积物,破裂腐蚀情况,清洁或更换。发布于 2023-11-29 18:04・IP 属地湖北电感耦合等离子体质谱元素分析仪器元素分析赞同 1添加评论分享喜欢收藏申请
icp-ms是什么分析仪? - 知乎
icp-ms是什么分析仪? - 知乎首页知乎知学堂发现等你来答切换模式登录/注册仪器icp-ms是什么分析仪?关注者6被浏览7,451关注问题写回答邀请回答好问题添加评论分享5 个回答默认排序安捷伦科技中国已认证账号 关注ICP-MS是一种元素分析技术,这意味着它用于测量元素,而不是通过LC/MS和GC/MS测量的分子和化合物。ICP-MS使用氩(Ar)等离子体(ICP)将样品转化为离子,然后使用质谱仪进行测量。ICP-MS仪器由离子源(ICP)、质谱仪(MS)——通常是扫描四极质谱过滤器和检测器组成。ICP处于大气压力下,而MS和检测器在真空室中工作,因此ICP-MS还需要真空泵、真空接口和一些静电离子“透镜”来聚焦系统中的离子。现代ICP-MS系统通常还包含一些解决光谱干扰的设备或机制。一般分为单四极杆和串接四极杆,二者检出限和抗干扰能力不同,主流的仪器厂家如安捷伦,同时提供这两种类型的ICP-MS,如Agilent ICP-MS 7850和8900。发布于 2022-05-24 11:40赞同 11 条评论分享收藏喜欢收起杨杨杨涛呀互联网行业 从业人员 关注icp-ms的英文全称是Inductive Coupled PlasmaMass Spectrometer,中文是电感耦合等离子体质谱仪,它是20世纪80年代发展起来的无机元素和同位素分析测试技术,它以独特的接口技术将电感耦合等离子体的高温电离特性与质谱计的灵敏快速扫描的优点相结合而形成一种高灵敏度的分析技术。它主要用于微量和痕量元素的多元素快速分析,也主要用于包括水体、岩石、土壤、湖泊沉积物等地学样品中微量金属元素的定性、定量和同位素比值测定。我这里建了实验相关圈子,另准备1000份选购指南,欢迎评论领取~发布于 2023-07-06 10:54赞同添加评论分享收藏喜欢
Inductively Coupled Plasma Mass Spectroscopy (ICP-MS) | Thermo Fisher Scientific - PH
Inductively Coupled Plasma Mass Spectroscopy (ICP-MS) | Thermo Fisher Scientific - PH
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Home›Industrial & Applied Sciences›Mass Spectrometry›Inductively Coupled Plasma Mass Spectroscopy (ICP-MS)Inductively Coupled Plasma Mass Spectrometry (ICP-MS)An advanced and comprehensive portfolio of ICP-MS instrumentsThermo Scientific ICP-MS instruments are designed to meet the needs of all laboratories, from high-throughput laboratories performing applied testing to cutting-edge research facilities.Browse our complete instrument portfolio and contact us to help you tailor a solution specific to your application and workflow needs.Contact usOverviewSelection guideServiceVideos, webinars, & toursLearning materialsContact us Overview of ICP-MS technologiesSingle Quadrupole ICP-MS (SQ‑ICP‑MS)Complete elemental analysis from sub-ppt to ppm levels, allowing high sample throughput in both applied testing and industrial laboratories.Triple Quadrupole ICP-MS (TQ‑ICP‑MS)Advanced interference removal for best-in-class detection limits and accuracy built into a compact benchtop instrument.Multicollector ICP-MS (MC-ICP-MS)Offers isotope ratio analysis with precision, sensitivity, dynamic range and stability for the fields of earth sciences, nuclear sciences, and other disciplines.High Resolution ICP-MS (HR-ICP-MS)Class-leading elimination of interferences for ultra-sensitive, reliable multi-element analyses at trace levels, even without sample preparation.Software for Trace Elemental AnalysisWe offer an intuitive, user-friendly software platform designed to simplify trace elemental analysis workflows and maximize efficiency. ICP-MS technique selection guide SQ-ICP-MSTQ-ICP-MSHR-ICP-MSMC-ICP-MSFeaturesCombines best-in-class interference removal with speed of analysis for fast and reliable trace elemental analysisAdvanced interference removal and an additional quadrupole to suppress unwanted side reactionsElimination of interferences for ultra sensitive, reliable multi-element analyses at trace levels, without sample preparationCombines high-resolution, high-sensitivity and multicollection with innovative amplifier technology for multi-isotope analysis down to trace levelsKey TechnologySingle quadrupole + flatapole design QCell, automatically adjusted low mass cut off Argon Gas Dilution for analysis of high matrix samplesTriple quadrupole + flatapole design QCell Reaction Finder Method Development Assistant for easy method developmentDouble-focusing magnetic sector field available with either discrete dynode detector or with additional single Faraday detectorDouble-focusing magnetic sector field with moveable Faraday collectors; also available with multiple ion-counting devicesInterference RemovalKinetic Energy Discrimination (KED), optional reactive gasesKinetic Energy Discrimination (KED), different reactive gasesPhysical interference removal using magnetic and electrostatic fieldsApplicationsHigh quality, high-throughput analysis in applied testing for environmental, food safety, industrial or pharmaceutical applications; challenging matricesFor applied testing applications or cutting-edge research analyses; suitable for high-matrix samplesSemiconductor, geological and material science laboratories, organic and inorganic solutions or solid matricesEarth and nuclear sciences, biochemistry, food, forensics and medical sciences that require high-precision isotopeSizeBenchtopBenchtopFloor-standingFloor-standing ServicexService advantagesBuilding on over 50 years of serving science, the Unity Lab Services team delivers consistent, high-quality service and OEM expertise whenever and wherever you need it. We’ve got your back. Watch now › Instrument service plansGet superior instrument services and support to help keep your lab up and running—so you can focus on your work. Unity Lab Service plans help maximize your uptime and predict your expenditure. We’ve got your back.Service plan recommendations › ICP-MS videos, webinars, & toursUnderstanding the Benefits of Triple Quadrupole ICP-MS in Everyday AnalysisWatch webinar ›xxDiscover the new iCAP RQplus ICP-MSWatch videoxxxHow does interference removal work on single and triple quadrupole ICP-MSWatch videoxiCAP RQplus ICP-MS and iSC-65 Autosampler product tourTake tour › SustainabilityPartnering in sustainability - ACT labelReduce your lab’s environmental impact with the iCAP RQplus ICP-MS and iSC-65 Autosampler, both recipients of the ACT label from My Green Lab. The ACT label, the standard for determining the environmental impact of laboratory products, helps labs make informed, sustainable purchasing decisions.Learn more about the ACT label › Learning materialsiCAP RQplus ICP-MSiCAP TQ ICP-MSElement Series HR‑ICP‑MSNeoma MC-ICP-MSEnvironmental analysis by ICP-MSDownload our eBook for recommendations on getting started, best practices, and overcoming analytical challenges.Learn more Contact us* Required fieldEmail *First Name *Last Name *Company *Industry *- Select -Academic & ResearchBiotechnologyContract Research or Contract Manufacturing OrgDealers, Distributors or Third-party ResellersDiagnosticsEnvironmentalGeneral IndustrialGovernment - All OtherGovernment - Safety & SecurityHealthcarePharmaceuticalThermo Fisher Scientific OfficeThermo Fisher Scientific SupplierSegment- Select Your General Industry -AgrichemicalBiofuels, Biodiesel or BioEthanolChemicalsConsumer ProductsElectronicFood, Beverage or NutritionMetalsMining & MineralsOil & GasPlastics & PolymersSemiconductorOthersJob Role *- Select -AdministratorExecutiveGroup ManagerLab ManagerProcurement ManagerProfessorScientistStudentBusiness Phone *Address 1/Street Address *Location *- Select -AustraliaBrunei DarussalamCambodiaIndiaIndonesiaJapanKorea (South)LaosMalaysiaMyanmarNew ZealandPhilippinesSingaporeThailandTimor-LesteTaiwanVietnam----------------AfghanistanÅland IslandsAlbaniaAlgeriaAmerican SomoaAndorraAngolaAnguillaAntarticaAntigua and BarbudaArgentinaArmeniaArubaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBoliviaBosnia and HerzegovinaBotswanaBouvet IslandBrazilBrit/Indian Ocean Terr.BulgariaBurkina FasoBurundiCameroonCanadaCape VerdeCayman IslandsCentral African RepublicChadChileChinaChristmas IslandCocos (Keeling) IslandsColumbiaComorosCongoCongo, The Dem. 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ICP光谱仪_百度百科
谱仪_百度百科 网页新闻贴吧知道网盘图片视频地图文库资讯采购百科百度首页登录注册进入词条全站搜索帮助首页秒懂百科特色百科知识专题加入百科百科团队权威合作下载百科APP个人中心ICP光谱仪播报讨论上传视频分析仪器收藏查看我的收藏0有用+10ICP光谱仪是一种用于材料科学领域的分析仪器,于2004年5月1日启用。中文名ICP光谱仪产 地美国学科领域材料科学启用日期2004年5月1日所属类别分析仪器 > 光谱仪器目录1技术指标2主要功能技术指标播报编辑分辨率:0.005nm,在200nm;仪器稳定性:RSD≤0.5%。 [1]主要功能播报编辑可分析元素周期表中的绝大部分元素,适用于各种样品中元素含量的分析。广泛用于材料、环境、地质、石化、生物等领域。 [1]新手上路成长任务编辑入门编辑规则本人编辑我有疑问内容质疑在线客服官方贴吧意见反馈投诉建议举报不良信息未通过词条申诉投诉侵权信息封禁查询与解封©2024 Baidu 使用百度前必读 | 百科协议 | 隐私政策 | 百度百科合作平台 | 京ICP证030173号 京公网安备110000020000IC-ICP-MS Speciation Analyzer | Thermo Fisher Scientific - PH
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Home›Industrial & Applied Sciences›Chromatography›Ion Chromatography (IC)›IC-ICP-MS Speciation AnalyzerIC-ICP-MS Speciation AnalyzerSee Navigation
Elemental species separation and detection
Simply measuring the total amount of an element in a sample does not provide the complete picture. Industries such as pharmaceutical, food, and environmental often measure elements that can exist as multiple molecular forms, or ‘species’, that exhibit different physiochemical properties. Some can be toxic.To determine a sample’s safety or toxicity, these industries need to identify and quantify the different species of an element that might be present in a sample. The method of choice for speciation analysis is ion chromatography (IC) coupled with inductively coupled plasma mass spectrometry (IC-ICP-MS).Browse our complete portfolio below, or let one of our experts help you tailor a selection specific to your application and workflow needs.Contact us
Featured video
xxDelivering New Insights by Combining Chromatography and Elemental Mass SpectrometryDetermining sample safety or toxicity using ion chromatography (IC) coupled with inductively coupled plasma mass spectrometry (IC-ICP-MS).
IC-ICP-MS analyzer for speciation analysis
While total elemental content can be analyzed by ICP-MS, speciation analysis of trace elements is ideally performed by a Thermo Scientific IC-ICP-MS system. The speciation analyzer includes a metal-free IC system with high resolution ion exchange columns and simple online connectivity, together with high sensitivity ICP-MS and integrated software.Configure the IC system with an ICP-MS system for your budget, throughput, performance, and detection requirements for your application.
Metal-free IC system
Separate individual ionic species without metal contamination.Aquion IC systemIntegrion IC systemICS-6000 HPIC system
ICP-MS system
Detect and quantify trace elements. iCAP RQplus ICP-MSiCAP TQ ICP-MS
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Control and process data, simplify your workflow and maximize efficiency.Qtegra Intelligent Scientific Data Solution
System configurations
Speciation elementDionex Aquion IC SystemDionex Integrion HPIC SystemDionex ICS-6000 HPIC SystemArsenic**, **Bromate*ChromiumMercurySelenium**, ** Limited to inorganic species Suitable Recommended*Organic species**Enhanced optimization Which combination of IC and ICP-MS systems are right for you?Contact us to determine your options.
Example elements and their toxic species
ArsenicArsenite As (III) and arsenate As (V) are inorganic toxic forms of arsenic.Organic arsenic species are mildly toxic.MercuryToxic methylmercury (MeHg+) species can be present in food such as fish.Ethylmercury (EtHg+ or EtHgX) has a faster degradation and excretion rate with considerably lower chronic toxicity. However, acute intake of EtHg+ can occur by exposure to thiomersal, which is a bactericide in products such as eye drops, contact lens solutions, and vaccines.ChromiumChromium, Cr (III) is essential to human beings and involved in different biological processes.Cr (VI) is highly toxic.Other examples of elemental analyses that can benefit from ion chromatographic separation include selenium and lanthanides.
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Why and When to Couple IC with ICP-MS for Speciation AnalysisHear why elemental speciation is important, its applications, and the optimal IC-ICP-MS setup for your laboratory.Watch webinar
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Elemental Species Separation and DetectionRead summaries and download full application notes describing speciation of several different elements in a variety of matrices, from food to pharmaceuticals.Download notebook
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IC Product PortfolioiCAP RQplus ICP-MS brochureDetermination of chromium species using ion chromatography coupled to inductively coupled plasma mass spectrometryApplication Note: Determination of Iodine-Containing Species in Seaweed using IC-ICP-MSTechnical Note: Comparing IC and HPLC Systems for Speciation Analysis – a Case StudyApplication Brief: Ensuring Toy Safety from Hexavalent Chromium to Meet European Regulations using IC-ICPMS QuantificationSpeciation Applications Summary Ion Chromatography - Trace Elemental Species Separation and Detection
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x Speciation Customer Testimonialx Applying ICP-MS to Speciation and Quantitative Analysis of Arsenic in Foodstuffs and Beveragesx Accelerate your throughput and be more productive with state-of-the-art ICP-MS instrumentsx Speciation Customer Testimonial Espresso Cup
Blog articles
Speciation Using IC-ICP-MS: To Catch a Smooth CriminalArsenic in Rice: New legislation Comes to The BoilWine Testing: Arsenic Analysis and a Classic MovieHeavy Metals in Food: ICP Analysis or Time for a Detox?Arsenic Speciation in Rice: Fast & Simple Analysis Using IC-ICP-MSICP-MS Arsenic Speciation in Rice: The Media and The ScienceElemental Speciation for Environmental Testing: Spotting the BadxxxxCMD SchemaApp code
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Agilent 8900 串联四极杆 ICP-MS (ICP-MS/MS) 是行业中成功且应用广泛的串联电感耦合等离子体质谱仪。Agilent 8900 ICP-MS/MS 提供了一系列配置,适合从常规商业分析到高级研究和高纯度材料分析的应用,其重新定义了 ICP-MS 性能,可提供可靠的分析结果。8900 系统具有与安捷伦市场领先的单四极杆 ICP-MS 系统相同的基质耐受性和稳定性,并与超高效的氦 (He) 碰撞模式相结合。但 8900 系统增加了串联质谱操作 (ICP-MS/MS),可对碰撞反应池 (CRC) 中的反应化学过程进行精确的控制,使其成为强大、灵活的多元素分析仪。利用 8900 ICP-MS/MS 控制干扰,让您的结果可靠无疑。
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MS/MS 控制反应化学过程,可确保提供一致、可靠的结果,即使对于此前难以分析的元素(如 Si、P 和 S)也是如此反应化学过程可解决同量异位素重叠问题,这超出了高分辨率 ICP-MS 的能力四通道反应池气体控制可提供快速、灵活的多模式操作一套预设方法简化了常规分析的方法设置氦气模式可简单、有效地控制常见的多原子干扰稳定的(低 CeO/Ce)等离子体,可提供出色的基质耐受性超高基质进样 (UHMI) 技术可耐受总溶解固体量 (TDS) 高达 25% 的样品高灵敏度和低背景为超痕量分析物提供了超低的检测限通用性和高性能相结合,支持高级研究和要求苛刻的应用灵活的操作模式(母离子/产物离子扫描)支持对反应化学模式进行研究
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8900 ICP-QQQ Brochure
The Agilent 8900 ICP-MS-QQQ adds MS/MS mode making it the world’s most powerful and flexible multi-element analyzer.
Brochures
English
10 Nov 2020
6.02 MB
Handbook of ICP-QQQ Applications - 5th Edition
Contains over 80 methods for the analysis of trace elements in a wide range of sample types across a wide range of industries.
Application Notes
English
04 Aug 2022
27.57 MB
Agilent 8900 Triple Quadrupole ICP-MS
An overview of the hardware and software features of the 8900 instrument.
Technical Overviews
English
25 Mar 2020
1.66 MB
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ICP-MS 常见问题解答
KB001774:高“Al”背景说明了什么?
KB006040:当设备不能与 PC 通信时,应如何控制它?
KB006138:如何应对停电?
KB006200 如果等离子体无法点燃,该怎么做?
KB006204:如果载气流速过低,该怎么做?
KB006205:如果信号的 RSD 不足,该怎么做?
KB006077:载气需要什么级别的纯度和气源压力?[7700, 7900]
KB006206:校准曲线为非线性时该如何处理?
KB006094:如何查看个人数据?
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ICP-MS 与 ICP-MS/MS 对比
哪一项技术是符合您需求的理想之选?比较单四极杆和三重四极杆 ICP-MS。
阅读关于 8900 ICP-MS/MS 的评论
查看发布在 SelectScience 上的客户评论,或者发表您自己的评论。
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Customer Testimonials
Philippe De Raeve
Quality Assistance, Belgium
The accuracy and precision are extraordinary. As a service lab for pharmaceutical companies we use ICP-QQQ on a daily basis for absolute quantification of protein concentration as a routine application.
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现在我们能够深入了解纳米颗粒与生物分子之间的相互作用,开发出纳米颗粒的更多新应用。
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Karl Andreas Jensen
Norwegian University of Life Sciences, Norway
For routine analysis, it’s a workhorse. We really like this instrument for our routine analysis, as we don’t have to use our optical instruments, we hardly use them anymore. (…) We use one single instrument, the ICP-MS/MS.
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ICP-MS MassHunter 5.2 软件现已推出!
ICP-MS MassHunter 5.2 更加简便易用,同时保持了您对高级应用所期望的灵活性。立即探索新功能并升级您的软件!
22 Nov 2022
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