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    • 61. 发明申请
    • ION CHROMATOGRAPHY SYSTEMS WITH FLOW-DELAY ELUENT RECYCLE
    • 离子色谱系统与流延迟回收
    • WO2009105387A1
    • 2009-08-27
    • PCT/US2009/034015
    • 2009-02-13
    • DIONEX CORPORATIONLIU, YanSRINIVASAN, KannanPOHL, Christopher, A.BHARDWAJ, SheetalLU, Zhongqing
    • LIU, YanSRINIVASAN, KannanPOHL, Christopher, A.BHARDWAJ, SheetalLU, Zhongqing
    • G01N30/96
    • B01D15/10G01N30/26G01N30/96G01N2030/965
    • 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 (31), and recycling the effluent stream from the catalytic gas elimination chamber to the chromatography separation column (10). The residence time between the detector (14) and said chamber (31) is at least one minute to facilitate decomposition of unstable oxidative compounds. Also, flowing the recycle sequentially through two detector effluent flow channels of an electrolytic membrane suppressor (28). Also, applying heat or UV energy between the detector (14) and the chamber (31). Also, detecting bubbles after the chamber. Also, a Platinum group metal catalyst and ion exchange medium in the chamber. Apparatus for performing the methods.
    • 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(31)中的过氧化氢,以及将来自催化剂的流出物流 气体消除室至色谱分离柱(10)。 检测器(14)和所述室(31)之间的停留时间为至少一分钟,以促进不稳定的氧化化合物的分解。 此外,使循环物依次流过电解膜抑制器(28)的两个检测器流出物流动通道。 而且,在检测器(14)和腔室(31)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。
    • 67. 发明申请
    • ELECTROLYTIC ELUENT GENERATOR AND METHOD OF USE
    • 电解电容发生器及其使用方法
    • WO2004024302A1
    • 2004-03-25
    • PCT/US2003/028511
    • 2003-09-09
    • DIONEX CORPORATIONLIU, YanAVDALOVIC, Nebojsa
    • LIU, YanAVDALOVIC, Nebojsa
    • B01D61/44
    • B01D69/02B01D15/16B01D15/166B01D61/44B01D61/48B01D69/141G01N30/34G01N30/96G01N2030/965Y10T436/25
    • An acid or base is generated in an aqueous solution by the steps of: (a) providing a source of first ions (40) adjacent an aqueous liquid in a first acid or base generation zone (50), separated by a first barrier (46) (e.g., anion exchange membrane) substantially preventing liquid flow and transporting ions only of the same charge as said first ions, (b) providing a source of second ions of opposite charge (40) adjacent an aqueous liquid in a second acid or base generation zone (48), separated by a second barrier (44) transporting ions only of the same charge as the second ions, and (c) transporting ions across the first barrier by applying an electrical potential (52, 54) through said first and second zones and a base-containing aqueous solution in the other one which may be combined to form a salt (62). Also electrolytic apparatus for performing the above method. The product solutions can be used as an element for a chromato graphic separation medium (70). The element can be regenerated in order to reuse the ions by means of a membrane suppressor (74).
    • 通过以下步骤在水溶液中产生酸或碱:(a)在第一酸或碱生成区(50)中提供邻近含水液体的第一离子源(40) (46)(例如,阴离子交换膜)隔开,所述第一屏障基本上防止液体流动并且仅传输与所述第一离子相同电荷的离子,(b)提供相邻电荷(40)的第二离子源 (48)分离,所述第二屏障(44)仅传输与所述第二离子相同电荷的离子,以及(c)通过施加电势将所述离子传输穿过所述第一屏障( 通过所述第一和第二区以及另一区中的含碱基水溶液,其可以结合形成盐(62)。 用于执行上述方法的电解装置也是如此。 产品溶液可用作色谱图分离介质(70)的元素。 该元件可以再生以通过膜抑制器(74)重新使用离子。