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    Large capacity acid or base generator and method of use
    21.
    发明申请
    Large capacity acid or base generator and method of use 审中-公开
    大容量酸或碱发生器及其使用方法

    公开(公告)号：US20050258048A1

    公开(公告)日：2005-11-24

    申请号：US11190741

    申请日：2005-07-26

    申请人： Yan Liu ,  Hamish Small ,  Nebojsa Avdalovic

    发明人： Yan Liu ,  Hamish Small ,  Nebojsa Avdalovic

    IPC分类号： G01N30/26 ,  B01D15/08 ,  B01J39/26 ,  B01J41/20 ,  C25B1/16 ,  C25B1/22 ,  G01N30/02 ,  G01N30/34 ,  G01N30/60 ,  G01N30/96 ,  C25B1/34

    CPC分类号： G01N30/96 ,  C25B1/16 ,  C25B1/22 ,  G01N30/02 ,  G01N30/34 ,  G01N2030/965 ,  Y10T436/25 ,  B01D15/36 ,  B01D15/426

    摘要： Method and apparatus for generating an acid or base, e.g. for chromatographic analysis of anions. For generating a base the method includes the steps of providing a cation source in a cation source reservoir, flowing an aqueous liquid stream through a base generation chamber separated from the cation source reservoir by a barrier (e.g. a charged membrane) substantially preventing liquid flow while providing a cation transport bridge, applying an electric potential between an anode cation source reservoir and a cathode in the base generation chamber to electrolytically generate hydroxide ions therein and to cause cations in the cation source reservoir to electromigrate and to be transported across the barrier toward the cathode to combine with the transported cations to form cation hydroxide, and removing the cation hydroxide in an aqueous liquid stream as an effluent from the first base generation chamber. Suitable cation sources include a salt solution, a cation hydroxide solution or cation exchange resin.

    摘要翻译： 用于产生酸或碱的方法和设备，例如， 用于阴离子的色谱分析。 为了产生碱，该方法包括以下步骤：在阳离子源储存器中提供阳离子源，使水性液体流通过基本上防止液体流动的屏障（例如带电膜）与阳离子源储存器分离的碱性产生室流动， 提供阳离子输送桥，在基底产生室中的阳极阳离子源储存器和阴极之间施加电位以在其中电解产生氢氧根离子，并使阳离子源储存器中的阳离子电迁移并穿过屏障向着 阴极与所运送的阳离子结合以形成阳离子氢氧化物，并且以水溶液流中的阳离子氢氧化物作为来自第一碱基产生室的流出物除去。 合适的阳离子源包括盐溶液，阳离子氢氧化物溶液或阳离子交换树脂。

    Apparatus for metering sub-10 cc/minute liquid flow
    22.
    发明授权
    Apparatus for metering sub-10 cc/minute liquid flow 失效
    用于计量低于10cc /分钟液体流量的装置

    公开(公告)号：US4532811A

    公开(公告)日：1985-08-06

    申请号：US280668

    申请日：1981-07-06

    申请人： Theodore E. Miller, Jr. ,  Hamish Small

    发明人： Theodore E. Miller, Jr. ,  Hamish Small

    IPC分类号： G01F11/00 ,  G01F11/28 ,  G01F13/00 ,  G01F1/68

    CPC分类号： G01F11/00 ,  G01F11/28 ,  G01F13/00

    摘要： Apparatus for accurately metering liquid flow based on the injection of a brief heat pulse into the flowing stream, e.g., via a miniature thermistor, and detection of an electronic time derivative of temperature downstream with, e.g., a second microprobe thermistor. This detection triggers a subsequent heat pulse and the cycle repeats, wth pulse total corresponding to elapsed liquid throughput, and pulse frequency to flow rate.

    摘要翻译： 基于将短暂的热脉冲注入到流动流中，例如通过微型热敏电阻，以及利用例如第二微孔热敏电阻检测下游温度的电子时间导数的装置。 该检测触发随后的加热脉冲，循环重复，对应于经过的液体吞吐量，脉冲频率与流量的第w个脉冲总数。

    High performance ion exchange composition
    23.
    发明授权
    High performance ion exchange composition 失效
    高效离子交换组成

    公开(公告)号：US4101460A

    公开(公告)日：1978-07-18

    申请号：US593345

    申请日：1975-07-07

    申请人： Hamish Small ,  Timothy S. Stevens

    发明人： Hamish Small ,  Timothy S. Stevens

    IPC分类号： B08B3/12 ,  B01D15/04 ,  B01D15/36 ,  B01J20/281 ,  B01J20/285 ,  B01J39/16 ,  B01J41/08 ,  B01J47/00 ,  C08J7/04 ,  G01N30/88 ,  C08J5/20

    CPC分类号： B01D15/361 ,  B01J20/3221 ,  B01J47/006 ,  C08J7/04

    摘要： An ion exchange composition comprising an insoluble substrate of a synthetic resin having ion exchanging sites at least on its available surface; and a finely divided, insoluble material comprising synthetic resin particles of from about 0.1 to about 5 microns median diameter (with respect to volume) having, at least on their outer surfaces, ion exchanging sites which attract the ion exchanging sites of the substrate, irreversibly attached as a monolayer to the available surface of the substrate. The composition is used for removal and separation of ions, and is especially useful in liquid ion exchange chromatography. For example, a chromatographic separation of halide ions is effected with high speed and resolution by contacting an aqueous solution thereof with a bed of the ion exchange composition which consists of surface sulfonated resin beads of a styrene-divinylbenzene copolymer to the surface of which is irreversibly attached a monolayer of quaternary ammonium-bearing styrene-divinylbenzene copolymer resin particles in the hydroxy form, and then eluting the bed with an aqueous sodium hydroxide solution.

    摘要翻译： 一种离子交换组合物，其包含至少在其可用表面上具有离子交换位点的合成树脂的不溶性底物; 和细碎的不溶性材料，其包含约0.1至约5微米中等直径（相对于体积）的合成树脂颗粒，其至少在其外表面上具有吸引衬底的离子交换位点的离子交换位点，不可逆地 作为单层附着到基材的可用表面。 该组合物用于离子的去除和分离，并且在液体离子交换色谱中特别有用。 例如，通过使其水溶液与由苯乙烯 - 二乙烯基苯共聚物的表面磺化树脂珠组成的离子交换组合物的床接触，使其卤化物离子的色谱分离以高速和分辨率进行，其表面不可逆地 将含有羟基的季铵含量苯乙烯 - 二乙烯基苯共聚物树脂颗粒单层，然后用氢氧化钠水溶液洗脱床。

    High pressure degas assembly for chromatography system and method
    25.
    发明授权
    High pressure degas assembly for chromatography system and method 有权
    高压脱气装置用于色谱系统和方法

    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

    IPC分类号： B01D53/22 ,  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。

    HIGH PRESSURE DEGAS ASSEMBLY FOR CHROMATOGRAPHY SYSTEM AND METHOD
    26.
    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

    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。

    LARGE CAPACITY ACID OR BASE GENERATOR AND METHOD OF USE
    27.
    发明申请
    LARGE CAPACITY ACID OR BASE GENERATOR AND METHOD OF USE 有权
    大容量酸或基因发生器及其使用方法

    公开(公告)号：US20100144051A1

    公开(公告)日：2010-06-10

    申请号：US12706944

    申请日：2010-02-17

    申请人： Yan Liu ,  Hamish Small ,  Nebojsa Avdalovic

    发明人： Yan Liu ,  Hamish Small ,  Nebojsa Avdalovic

    IPC分类号： G01N30/50 ,  C25B1/00

    CPC分类号： G01N30/96 ,  C25B1/16 ,  C25B1/22 ,  G01N30/02 ,  G01N30/34 ,  G01N2030/965 ,  Y10T436/25 ,  B01D15/36 ,  B01D15/426

    摘要： Method and apparatus for generating an acid or base, e.g. for chromatographic analysis of anions. For generating a base the method includes the steps of providing a cation source in a cation source reservoir, flowing an aqueous liquid stream through a base generation chamber separated from the cation source reservoir by a barrier (e.g. a charged membrane) substantially preventing liquid flow while providing a cation transport bridge, applying an electric potential between an anode cation source reservoir and a cathode in the base generation chamber to electrolytically generate hydroxide ions therein and to cause cations in the cation source reservoir to electromigrate and to be transported across the barrier toward the cathode to combine with the transported cations to form cation hydroxide, and removing the cation hydroxide in an aqueous liquid stream as an effluent from the first base generation chamber. Suitable cation sources include a salt solution, a cation hydroxide solution or cation exchange resin.

    摘要翻译： 用于产生酸或碱的方法和设备，例如， 用于阴离子的色谱分析。 为了产生碱，该方法包括以下步骤：在阳离子源储存器中提供阳离子源，使水性液体流通过基本上防止液体流动的屏障（例如带电膜）与阳离子源储存器分离的碱性产生室流动， 提供阳离子输送桥，在基底产生室中的阳极阳离子源储存器和阴极之间施加电位以在其中电解产生氢氧根离子，并使阳离子源储存器中的阳离子电迁移并穿过屏障向着 阴极与所运送的阳离子结合以形成阳离子氢氧化物，并且以水溶液流中的阳离子氢氧化物作为来自第一碱基产生室的流出物除去。 合适的阳离子源包括盐溶液，阳离子氢氧化物溶液或阳离子交换树脂。