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公开(公告)号：US08414684B2
公开(公告)日：2013-04-09
申请号：US12791732
申请日：2010-06-01
申请人： Yan Liu , Christopher A. Pohl , Michael McAdams , Hamish Small , Zhongqing Lu , Milton Liu , Khosro Moshfegh
发明人： Yan Liu , Christopher A. Pohl , Michael McAdams , Hamish Small , Zhongqing Lu , Milton Liu , Khosro Moshfegh
CPC分类号： B01D19/0073 , B01D19/0031 , B01D19/0036 , G01N30/32 , G01N30/96 , G01N2030/146
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US20110290726A1
公开(公告)日：2011-12-01
申请号：US12791732
申请日：2010-06-01
申请人： Yan Liu , Christopher A. Pohl , Michael McAdams , Hamish Small , Zhongqing Lu , Milton Liu , Khosro Moshfegh
发明人： Yan Liu , Christopher A. Pohl , Michael McAdams , Hamish Small , Zhongqing Lu , Milton Liu , Khosro Moshfegh
IPC分类号： B01D19/00
CPC分类号： B01D19/0073 , B01D19/0031 , B01D19/0036 , G01N30/32 , G01N30/96 , G01N2030/146
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US09188573B2
公开(公告)日：2015-11-17
申请号：US12690862
申请日：2010-01-20
申请人： Yan Liu , Glenn Masami Kuse , Victor Barreto , Gary L. Gleave , Christopher A. Pohl , William Dale Case , Khosro Moshfegh , Michael John McAdams
发明人： Yan Liu , Glenn Masami Kuse , Victor Barreto , Gary L. Gleave , Christopher A. Pohl , William Dale Case , Khosro Moshfegh , Michael John McAdams
CPC分类号： G01N30/96 , G01N30/6091 , G01N2030/8881 , G01N2030/965
摘要： An ion chromatography housing for easy insertion and removal of a plurality of component cartridges is disclosed. Various components of the IC system are provided in the separate component cartridges. The IC housing includes a capillary separation column and may be connected to conventional-scale components of an IC system. A plurality of IC housings may be provided in a compartment with one or more separation columns. The columns may be capillary columns or conventional-scale columns. A method of using the ion chromatography system is also disclosed. The IC system may be utilized to perform two-dimensional ion chromatographic separation.
摘要翻译： 公开了用于容易地插入和移除多个组件盒的离子色谱盒。 IC系统的各种组件设置在分开的组件盒中。 IC壳体包括毛细管分离柱，并且可以连接到IC系统的常规尺寸部件。 多个IC壳体可以设置在具有一个或多个分离柱的隔间中。 柱可以是毛细管柱或常规尺度的柱。 还公开了使用离子色谱系统的方法。 IC系统可用于进行二维离子色谱分离。
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公开(公告)号：US20100038245A1
公开(公告)日：2010-02-18
申请号：US12192781
申请日：2008-08-15
申请人： Hamish Small , Yan Liu , Christopher A. Pohl
发明人： Hamish Small , Yan Liu , Christopher A. Pohl
IPC分类号： B01D59/42
CPC分类号： G01N30/96 , B01D61/427 , F04B17/00 , G01N30/32 , G01N30/34 , G01N30/6095
摘要： A continuous electrochemical pump comprising a water generator compartment, an anode compartment on one side of said generator compartment, a cation exchange barrier, separating the generator compartment from the anode compartment, a first electrode in electrical communication with the anode compartment, a cathode compartment adjacent the generator chamber, an anion exchange barrier, separating the generation compartment from the cathode compartment, and a second electrode in electrical communication with the cathode compartment. Use of the pump as a sample concentrator. A feedback loop for the pump. A reservoir, with or without an intermediate piston, on the output side of the pump.
摘要翻译： 一种连续电化学泵，包括水发生器室，在所述发生器室的一侧上的阳极室，阳离子交换屏障，将发生器室与阳极室分开，与阳极室电连通的第一电极，邻近的阴极室 所述发生器室，阴离子交换屏障，将所述发电室与所述阴极室分开，以及与所述阴极室电连通的第二电极。 使用泵作为样品浓缩器。 泵的反馈回路。 在泵的输出侧具有或不具有中间活塞的储存器。
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公开(公告)号：US20120138474A1
公开(公告)日：2012-06-07
申请号：US13364078
申请日：2012-02-01
申请人： Hamish Small , Yan Liu , Christopher A. Pohl
发明人： Hamish Small , Yan Liu , Christopher A. Pohl
CPC分类号： G01N30/96 , B01D61/427 , F04B17/00 , G01N30/32 , G01N30/34 , G01N30/6095
摘要： A continuous electrochemical pump comprising a water generator compartment, an anode compartment on one side of said generator compartment, a cation exchange barrier, separating the generator compartment from the anode compartment, it first electrode in electrical communication with the anode compartment, a cathode compartment adjacent the generator chamber, an anion exchange barrier, separating the generation compartment from the cathode compartment, and a second electrode in electrical communication with the cathode compartment. Use of the pump as a sample concentrator. A feedback loop for the pump. A reservoir, with or without an intermediate piston, on the output side of the pump.
摘要翻译： 一种连续电化学泵，包括水发生器室，在所述发生器室的一侧上的阳极室，阳离子交换屏障，将发电机室与阳极隔室分离，第一电极与阳极室电连通，阴极室相邻 所述发生器室，阴离子交换屏障，将所述发电室与所述阴极室分开，以及与所述阴极室电连通的第二电极。 使用泵作为样品浓缩器。 泵的反馈回路。 在泵的输出侧具有或不具有中间活塞的储存器。
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公开(公告)号：US08133373B2
公开(公告)日：2012-03-13
申请号：US12192781
申请日：2008-08-15
申请人： Hamish Small , Yan Liu , Christopher A. Pohl
发明人： Hamish Small , Yan Liu , Christopher A. Pohl
IPC分类号： B01D61/44
CPC分类号： G01N30/96 , B01D61/427 , F04B17/00 , G01N30/32 , G01N30/34 , G01N30/6095
摘要： A continuous electrochemical pump comprising a water generator compartment, an anode compartment on one side of said generator compartment, a cation exchange barrier, separating the generator compartment from the anode compartment, a first electrode in electrical communication with the anode compartment, a cathode compartment adjacent the generator chamber, an anion exchange barrier, separating the generation compartment from the cathode compartment, and a second electrode in electrical communication with the cathode compartment. Use of the pump as a sample concentrator. A feedback loop for the pump. A reservoir, with or without an intermediate piston, on the output side of the pump.
摘要翻译： 一种连续电化学泵，包括水发生器室，在所述发生器室的一侧上的阳极室，阳离子交换屏障，将发生器室与阳极室分开，与阳极室电连通的第一电极，邻近的阴极室 所述发生器室，阴离子交换屏障，将所述发电室与所述阴极室分开，以及与所述阴极室电连通的第二电极。 使用泵作为样品浓缩器。 泵的反馈回路。 在泵的输出侧具有或不具有中间活塞的储存器。
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公开(公告)号：US08628652B2
公开(公告)日：2014-01-14
申请号：US13364078
申请日：2012-02-01
申请人： Hamish Small , Yan Liu , Christopher A. Pohl
发明人： Hamish Small , Yan Liu , Christopher A. Pohl
IPC分类号： B01D61/44
CPC分类号： G01N30/96 , B01D61/427 , F04B17/00 , G01N30/32 , G01N30/34 , G01N30/6095
摘要： A continuous electrochemical pump comprising a water generator compartment, an anode compartment on one side of said generator compartment, a cation exchange barrier, separating the generator compartment from the anode compartment, it first electrode in electrical communication with the anode compartment, a cathode compartment adjacent the generator chamber, an anion exchange barrier, separating the generation compartment from the cathode compartment, and a second electrode in electrical communication with the cathode compartment. Use of the pump as a sample concentrator. A feedback loop for the pump. A reservoir, with or without an intermediate piston, on the output side of the pump.
摘要翻译： 一种连续电化学泵，包括水发生器室，在所述发生器室的一侧上的阳极室，阳离子交换屏障，将发电机室与阳极隔室分离，第一电极与阳极室电连通，阴极室相邻 所述发生器室，阴离子交换屏障，将所述发电室与所述阴极室分开，以及与所述阴极室电连通的第二电极。 使用泵作为样品浓缩器。 泵的反馈回路。 在泵的输出侧具有或不具有中间活塞的储存器。
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公开(公告)号：US08802011B2
公开(公告)日：2014-08-12
申请号：US13905548
申请日：2013-05-30
CPC分类号： B01D15/10 , G01N30/26 , G01N30/96 , G01N2030/965
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US20090289009A1
公开(公告)日：2009-11-26
申请号：US12511788
申请日：2009-07-29
CPC分类号： B01D15/10 , G01N30/26 , G01N30/96 , G01N2030/965
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US20090211980A1
公开(公告)日：2009-08-27
申请号：US12036147
申请日：2008-02-22
IPC分类号： B01D15/08
CPC分类号： B01D15/10 , G01N30/26 , G01N30/96 , G01N2030/965
摘要： 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.
摘要翻译： 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。
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