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    Capillary ion chromatography
    63.
    发明授权
    Capillary ion chromatography 有权
    毛细管离子色谱

    公开(公告)号：US08216515B2

    公开(公告)日：2012-07-10

    申请号：US10944442

    申请日：2004-09-16

    Applicant: Yan Liu ,  Victor Manuel Berber Barreto ,  Christopher A. Pohl ,  Nebojsa Avdalovic

    Inventor： Yan Liu ,  Victor Manuel Berber Barreto ,  Christopher A. Pohl ,  Nebojsa Avdalovic

    IPC: G01N3/02

    CPC classification number: B01D15/363 ,  B01D15/361 ,  B01D15/367 ,  G01N30/96 ,  G01N2030/965

    Abstract: An apparatus for capillary ion chromatography having a suppressor having flow-through ion exchange packing in a housing and capillary tubing formed of a permselective ion exchange membrane, and at least partially disposed in said ion exchange packing. Also, a recycle conduit for aqueous liquid from the detector to the packing. Further, the capillary tubing may have weakly acidic or weakly basic functional groups. Also, a method for using the apparatus.

    Abstract translation: 一种用于毛细管离子色谱的装置，其具有在壳体中具有流过离子交换填料的抑制器和由选择性选择性离子交换膜形成的至少部分地设置在所述离子交换填料中的毛细管。 另外，从检测器到包装的水性液体循环管道。 此外，毛细管可具有弱酸性或弱碱性官能团。 另外，使用该装置的方法。

    HIGH PRESSURE DEGAS ASSEMBLY FOR CHROMATOGRAPHY SYSTEM AND METHOD
    64.
    发明申请
    HIGH PRESSURE DEGAS ASSEMBLY FOR CHROMATOGRAPHY SYSTEM AND METHOD 有权
    高压度组件用于色谱系统和方法

    公开(公告)号：US20110290726A1

    公开(公告)日：2011-12-01

    申请号：US12791732

    申请日：2010-06-01

    Applicant: Yan Liu ,  Christopher A. Pohl ,  Michael McAdams ,  Hamish Small ,  Zhongqing Lu ,  Milton Liu ,  Khosro Moshfegh

    Inventor： Yan Liu ,  Christopher A. Pohl ,  Michael McAdams ,  Hamish Small ,  Zhongqing Lu ,  Milton Liu ,  Khosro Moshfegh

    IPC: B01D19/00

    CPC classification number: B01D19/0073 ,  B01D19/0031 ,  B01D19/0036 ,  G01N30/32 ,  G01N30/96 ,  G01N2030/146

    Abstract: A degas assembly including a low pressure fluid channel for carrying a wash fluid at a first pressure, a pressurized channel for carrying eluent including a gas at a second pressure higher than the first pressure, and a degas separator defining a fluid barrier between the low pressure fluid channel and pressurized fluid channel, the separator configured to retain liquid in the pressurized fluid channel and allow gas to flow through the separator to the low pressure fluid channel. The pressurized fluid channel may extend along an outer periphery of the low pressure fluid channel. The eluent may be received from an eluent generator at a pressure of at least about 3300 psi, and in various embodiments up to about 5000 psi. A liquid chromatography system and method are also disclosed.

    Abstract translation: 一种脱气组件，包括用于在第一压力下承载洗涤流体的低压流体通道，用于承载包含在高于第一压力的第二压力的气体的洗脱液的加压通道，以及限定低压下的流体阻挡层的脱气分离器 流体通道和加压流体通道，分离器构造成将液体保持在加压流体通道中并允许气体通过分离器流动到低压流体通道。 加压流体通道可以沿着低压流体通道的外周延伸。 洗脱液可以在至少约3300psi的压力下从洗脱液发生器接收，并且在各种实施方案中可高达约5000psi。 还公开了液相色谱系统和方法。

    ION CHROMATOGRAPHY SYSTEMS WITH FLOW-DELAY ELUENT RECYCLE
    65.
    发明申请
    ION CHROMATOGRAPHY SYSTEMS WITH FLOW-DELAY ELUENT RECYCLE 有权
    离子色谱系统与流延迟回收

    公开(公告)号：US20110174737A1

    公开(公告)日：2011-07-21

    申请号：US13075009

    申请日：2011-03-29

    Applicant: Yan Liu ,  Kannan Srinivasan ,  Christopher A. Pohl ,  Sheetal Bhardwaj ,  Zhongqing Lu

    Inventor： Yan Liu ,  Kannan Srinivasan ,  Christopher A. Pohl ,  Sheetal Bhardwaj ,  Zhongqing Lu

    IPC: B01D15/08

    CPC classification number: B01D15/10 ,  G01N30/26 ,  G01N30/96 ,  G01N2030/965

    Abstract: A chromatographic method including chromatographically separating sample ionic species in an eluent stream, detecting the separated sample ionic species, catalytically combining hydrogen and oxygen gases or catalytically decomposing hydrogen peroxide in a catalytic gas elimination chamber, and recycling the effluent stream from the chamber to the chromatography separation column. The residence time between the detector and the chamber is at least about one minute. Also, flowing the recycle sequentially through two detector effluent flow channels of an electrolytic membrane suppressor. Also, applying heat or UV energy between the detector and the chamber. Also, detecting bubbles after the chamber. Also, a Platinum group metal catalyst and ion exchange medium in the chamber. Apparatus for performing the methods.

    Abstract translation: 一种色谱方法，包括在洗脱液流中色谱分离样品离子物质，检测分离的样品离子物质，催化结合氢气和氧气，或催化分解催化气体消除室中的过氧化氢，并将来自室的流出物流再循环至色谱 分离柱。 检测器和腔室之间的停留时间至少约1分钟。 此外，使循环物依次流过电解膜抑制器的两个检测器流出物流动通道。 此外，在检测器和室之间施加热或UV能量。 另外，在室后检测气泡。 此外，铂族金属催化剂和离子交换介质在室内。 用于执行方法的装置。

    Recycled Suppressor Regenerants
    67.
    发明申请
    Recycled Suppressor Regenerants 有权
    再生抑制剂再生剂

    公开(公告)号：US20090101582A1

    公开(公告)日：2009-04-23

    申请号：US12337435

    申请日：2008-12-17

    Applicant: Yan Liu ,  Victor Manuel Berber Barreto ,  Christopher A. Pohl ,  John M. Riviello

    Inventor： Yan Liu ,  Victor Manuel Berber Barreto ,  Christopher A. Pohl ,  John M. Riviello

    IPC: B01D15/36

    CPC classification number: G01N30/96 ,  G01N2030/965

    Abstract: A suppressed ion chromatographic apparatus using a regenerant recycle loop, comprising (a) an ion separation device, (b) a membrane suppressor, (c) a detector, (d) a container for regenerant solution, (e) a first conduit between the ion separation device and the suppressor, (f) a second conduit between the regenerant solution container and the suppressor, (g) a third conduit between the suppressor and the regenerant solution container, and (h) a regenerant solution recycle loop out of fluid communication with the detector outlet.

    Abstract translation: 一种使用再生剂循环回路的抑制离子色谱装置，包括（a）离子分离装置，（b）膜抑制剂，（c）检测器，（d）用于再生剂溶液的容器，（e） 离子分离装置和抑制器，（f）再生剂溶液容器和抑制剂之间的第二导管，（g）抑制剂和再生剂溶液容器之间的第三导管，和（h）流体连通的再生剂溶液循环回路 与检测器出口。

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