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    Method and apparatus for multi-stage particle separation with gas addition for a mass spectrometer
    101.
    发明授权
    Method and apparatus for multi-stage particle separation with gas addition for a mass spectrometer 失效
    使用气相色谱仪进行多级粒子分离的方法和装置

    公开(公告)号：US5162650A

    公开(公告)日：1992-11-10

    申请号：US645649

    申请日：1991-01-25

    Applicant: Mark E. Bier

    Inventor： Mark E. Bier

    IPC: G01N30/72 ,  H01J49/04 ,  H01J49/42

    CPC classification number: H01J49/067 ,  G01N30/7273 ,  G01N30/7293 ,  H01J49/044 ,  H01J49/045 ,  G01N30/724

    Abstract: Disclosed is a multi-stage particle separator for separating analyte from non-analyte solvent in a fluid sample having nebulizing means to form droplets from the liquid sample and means coupled to the nebulizing means for adding helium to the nebulizing means. Furthermore, the multi-stage particle separator has a desolvation chamber for receiving the droplets, the desolvation chamber terminating in a nozzle, a multi-stage momentum separator including skimmers, and means for introducing a gas into one or more of the states to increase pressure of the latter stage so that the particles leave the multi-stage separator substantially free of solvent.

    Abstract translation: 公开了一种多级颗粒分离器，用于在具有雾化装置的流体样品中从非分析物溶剂中分离分析物，以从液体样品形成液滴，并且耦合到雾化装置的装置，用于将氦添加到雾化装置。 此外，多级粒子分离器具有用于接收液滴的去溶剂化室，终止在喷嘴中的去溶剂化室，包含脱水器的多级动量分离器，以及用于将气体引入一种或多种状态以增加压力的装置 使得颗粒离开多级分离器基本上不含溶剂。

    Apparatus for analyzing liquid samples with a mass spectrometer
    102.
    发明授权
    Apparatus for analyzing liquid samples with a mass spectrometer 失效
    用质谱仪分析液体样品的装置

    公开(公告)号：US4403147A

    公开(公告)日：1983-09-06

    申请号：US348129

    申请日：1982-02-12

    Applicant: Attilio Melera ,  Armand Neukermans

    Inventor： Attilio Melera ,  Armand Neukermans

    IPC: G01N30/30 ,  G01N30/60 ,  G01N30/72 ,  H01J49/04 ,  H01J49/30

    CPC classification number: H01J49/044 ,  G01N30/7246 ,  G01N2030/6013 ,  G01N30/30 ,  G01N30/724 ,  G01N30/726 ,  G01N30/7273

    Abstract: Apparatus is provided for analyzing liquid samples by a mass spectrometer. A stream of liquid droplets of the sample is formed by a probe which expels the droplets into a desolvation chamber. The droplets are evaporated in the desolvation chamber and the evaporated materials injected into the source region of the mass spectrometer. In some preferred embodiments, the system is configured so that no solvent or solute is pumped out of the desolvation chamber during transit; discrimination against highly volatile materials is thereby prevented. The apparatus may be used as an interface between a liquid chromatograph and the mass spectrometer.

    Abstract translation: 提供用于通过质谱仪分析液体样品的装置。 通过将液滴排入去溶剂室的探针形成样品液滴。 在脱溶剂室中蒸发液滴，并将蒸发的物质注入质​​谱仪的源区。 在一些优选的实施方案中，该系统被配置为使得在运输期间不将溶剂或溶质泵送出去溶剂化室; 从而防止对高挥发性物质的歧视。 该装置可以用作液相色谱仪和质谱仪之间的界面。

    IRMS sample introduction system and method
    104.
    发明授权
    IRMS sample introduction system and method 有权

    公开(公告)号：US12080537B2

    公开(公告)日：2024-09-03

    申请号：US17474700

    申请日：2021-09-14

    Applicant: Thermo Fisher Scientific (Bremen) GmbH

    Inventor： Alexander A. Makarov ,  Stevan R. Horning

    IPC: H01J49/04 ,  G01N15/02

    CPC classification number: H01J49/0422 ,  H01J49/044 ,  G01N15/0266

    Abstract: A sample introduction system for a spectrometer comprises a desolvation region that receives or generates sample ions from a solvent matrix and removes at least some of the solvent matrix from the sample ions. A separation chamber downstream of the desolvation region has a separation chamber inlet communicating with the desolvation region, for receiving the desolvated sample ions along with non-ionised solvent and solvent ion vapours. The separation chamber has electrodes for generating an electric field within the separation chamber, defining a first flow path for sample ions between the separation chamber inlet and a separation chamber outlet. Unwanted solvent ions and non-ionised solvent vapours are directed away from the separation chamber outlet. The sample introduction system has a reaction chamber with an inlet communicating with the separation chamber outlet, for receiving the sample ions from the separation chamber and for decomposing the received ions into smaller products.

    IRMS Sample Introduction System and Method
    107.
    发明申请
    IRMS Sample Introduction System and Method 审中-公开

    公开(公告)号：US20190013193A1

    公开(公告)日：2019-01-10

    申请号：US16130760

    申请日：2018-09-13

    Applicant: Thermo Fisher Scientific (Bremen) GmbH

    Inventor： Alexander A. MAKAROV ,  Stevan R. HORNING

    IPC: H01J49/04 ,  G01N15/02

    CPC classification number: H01J49/0422 ,  G01N15/0266 ,  H01J49/044

    Abstract: A sample introduction system for a spectrometer comprises a desolvation region that receives or generates sample ions from a solvent matrix and removes at least some of the solvent matrix from the sample ions. A separation chamber downstream of the desolvation region has a separation chamber inlet communicating with the desolvation region, for receiving the desolvated sample ions along with non-ionised solvent and solvent ion vapours. The separation chamber has electrodes for generating an electric field within the separation chamber, defining a first flow path for sample ions between the separation chamber inlet and a separation chamber outlet. Unwanted solvent ions and non-ionised solvent vapours are directed away from the separation chamber outlet. The sample introduction system has a reaction chamber with an inlet communicating with the separation chamber outlet, for receiving the sample ions from the separation chamber and for decomposing the received ions into smaller products.

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