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1.
公开(公告)号:US20240359153A1
公开(公告)日:2024-10-31
申请号:US18763537
申请日:2024-07-03
发明人: Martin L. Spartz
IPC分类号: B01J15/00 , G01N21/3504 , G01N27/416 , G01N27/622 , G01N30/02 , G01N30/06 , H01J49/04
CPC分类号: B01J15/005 , G01N21/3504 , G01N27/622 , G01N30/06 , H01J49/0422 , G01N27/4162 , G01N2030/025
摘要: A gas analysis system and method with a spectrometer, such as a Fourier transform infrared spectrometer, utilizing a reactor, such as a catalytic reactor, for providing reference spectra.
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公开(公告)号:US20220187201A1
公开(公告)日:2022-06-16
申请号:US17644504
申请日:2021-12-15
发明人: Martin L. Spartz
IPC分类号: G01N21/3504 , B01J23/42 , B01J19/00
摘要: A gas analysis system and method using a spectrometer, such as a Fourier transform infrared spectrometer, utilizes a reactor, such as a catalytic reactor, for providing interference spectra. The gas is pressurized and chilled to remove water prior to the spectrometer.
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公开(公告)号:US20240011956A1
公开(公告)日:2024-01-11
申请号:US18471497
申请日:2023-09-21
CPC分类号: G01N30/74 , G01N30/8624 , G01N30/8668 , B01D53/025 , B01D53/30 , G01N21/31 , G01N30/8631 , G01N30/8686 , G01N2030/743 , G01N30/72
摘要: An analysis system includes a separation system that provides compounds to a sample cell of a spectrometric system. The system analyzes spectral information from the spectrometric system by optimizing retention windows for the compounds and identifies quantities of the compounds by comparing spectral information within and outside the respective retention windows.
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公开(公告)号:US20220252554A1
公开(公告)日:2022-08-11
申请号:US17730440
申请日:2022-04-27
摘要: A thermal desorption tube collection system uses a thermoelectric cooler to collect and concentrate gas samples. In some modes, the operation of the cooler is reversed to flow the concentrated sample directly into a separator such as a gas chromatography system. Components resolved in time by a thermal desorption separator accumulate in a sample cell and are analyzed by electromagnetic radiation-based spectroscopic techniques. Also presented are methods for analyzing biogas samples.
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公开(公告)号:US20220082538A1
公开(公告)日:2022-03-17
申请号:US17457120
申请日:2021-12-01
IPC分类号: G01N30/74 , G01N30/30 , G01N30/20 , G01J3/42 , G01N30/12 , G01N30/40 , G01N30/32 , G01N30/72 , G01N21/3504 , G01N30/16
摘要: A method and system for sample analysis involve a temporally-resolving separation of sample components. In the method, solvent vapors are condensed prior to entering a temporally-resolving separator, a GC column, for example, and solvent-depleted vapors are directed to the separator where constituents are resolved in time. A system for analyzing a sample comprises an injection port, a temporally-resolving separator (e.g., a GC column) and a conduit connecting the two. The injection port is at a temperature sufficiently high to vaporize the solvent and analytes present in a sample. The conduit is configured and/or operated to condense the solvent, while maintaining the analytes in the vapor phase.
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公开(公告)号:US20230194419A1
公开(公告)日:2023-06-22
申请号:US18082629
申请日:2022-12-16
IPC分类号: G01N21/3504 , G01N21/3577
CPC分类号: G01N21/3504 , G01N21/3577 , G01N2021/3545 , G01N2021/3595
摘要: A system and method for determining impurities in a beverage grade gas such as CO2 or N2 relies on FTIR gas analysis for measuring non-sulfur impurities as well as SO2. CO2% also can be determined. A multiplexer selects a sample gas from multiple gas samples. Conversion of reduced sulphur present in some impurities to SO2 is conducted in an oxidizing furnace. Climate control and measurements of oxygen gas impurities also can be provided.
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公开(公告)号:US20220018760A1
公开(公告)日:2022-01-20
申请号:US17449715
申请日:2021-10-01
IPC分类号: G01N21/3518 , G01N33/00
摘要: A gas analysis system with an FTIR spectrometer preferably utilizes a long path gas cell, a narrow band detector, and an optical filter that narrows the detection region to measure hydrogen sulfide.
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公开(公告)号:US20220113249A1
公开(公告)日:2022-04-14
申请号:US17555803
申请日:2021-12-20
发明人: Eddie Dean Wyatt , Martin L. Spartz
IPC分类号: G01N21/3504 , G01N30/02 , G01N30/86
摘要: A process for identifying an unknown compound in a sample includes matching a peak in a primary Fourier Transform Infrared spectral region of the sample spectrum with reference spectra in the same spectral region to generate an initial list of potential candidates, based, for example on goodness of fit criteria. The initial list can be reduced by retention time information and/or global peak matching techniques that analyze the sample spectrum in regions outside the primary region.
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公开(公告)号:US20220074852A1
公开(公告)日:2022-03-10
申请号:US17528414
申请日:2021-11-17
IPC分类号: G01N21/3504 , G01N1/40 , G01N30/00 , G01N30/74
摘要: Components resolved in time by a thermal desorption separator accumulate in a sample cell and are analyzed by electromagnetic radiation-based spectroscopic techniques.
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10.
公开(公告)号:US20210178352A1
公开(公告)日:2021-06-17
申请号:US17119297
申请日:2020-12-11
发明人: Martin L. Spartz
IPC分类号: B01J15/00 , G01N21/3504 , H01J49/04 , G01N27/622 , G01N30/06
摘要: A gas analysis system and method with a spectrometer, such as a Fourier transform infrared spectrometer, utilizing a reactor, such as a catalytic reactor, for providing reference spectra.
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