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公开(公告)号：US11348773B2
公开(公告)日：2022-05-31
申请号：US17229107
申请日：2021-04-13
Applicant: Elemental Scientific, Inc.
Inventor： Daniel R. Wiederin , Kyle W. Uhlmeyer , Michael P. Field , Jae Seok Lee
IPC: G01J3/443 , H01J49/00 , H01J49/10 , G01N21/27 , G01N33/18 , H01J49/26 , G01J3/28 , G01N21/35 , G01N21/73
Abstract: Systems and methods are described for calibrating an analytical instrument analyzing a plurality of sample matrices in series. A system embodiment can include, but is not limited to, a sample analysis device configured to receive a plurality of samples from a plurality of remote sampling systems and to determine an intensity of one or more species of interest contained in each of the plurality of samples; and a controller configured to generate a primary calibration curve based on analysis of a first standard solution having a first sample matrix by the sample analysis device and generate at least one secondary calibration curve based on analysis of a second standard solution having a second sample matrix by the sample analysis device, the controller configured to associate the at least one secondary calibration curve with the primary calibration curve according to a matrix correction factor.
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2.发明授权公开(公告)号：US11077388B1
公开(公告)日：2021-08-03
申请号：US16376524
申请日：2019-04-05
Applicant: Elemental Scientific, Inc.
Inventor： Michael P. Field , Myung Hwan Kim
Abstract: Systems and methods for automatically packing resin into and unpacking resin from a reusable separation column for sample analysis are described. A reusable sample separation column embodiment includes, but is not limited to, a column body having a first end and a distal second end and defining an interior fluid flow pathway; a first port adjacent the first end and coupled to an inlet coupled to an expanded interior region, the inlet positioned between the first port and the expanded interior region to introduce resin slurry; an outlet coupled to a frit positioned between the outlet and the first port, the frit configured to retain resin of the resin slurry within the expanded interior region; and a second port coupled to a channel having a smaller cross-section than the second port, the channel configured to introduce a jet of fluid to resin positioned in the expanded interior region.
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公开(公告)号：US11062893B2
公开(公告)日：2021-07-13
申请号：US16240766
申请日：2019-01-06
Applicant: Elemental Scientific, Inc.
Inventor： Nathan Saetveit , Michael P. Field , Daniel R. Wiederin , Tyler Yost
Abstract: Systems and methods for automatic sampling, digestion, and joining a plurality of sample introduction systems of a sample for subsequent analysis by ICP-MS are described. A system embodiment may include: a digestion vessel configured to receive a sample from a pressurized sample source; a shutoff valve configured to control a flow of the sample to the digestion vessel; a first syringe pump configured to introduce a reagent to the sample in the digestion vessel; a thermally-controlled block surrounding the digestion vessel and configured to control the temperature of the digestion vessel, wherein the thermally-controlled block increases the temperature of the digestion vessel to a first set temperature before digestion and wherein the thermally-controlled block decreases the temperature of the digestion vessel to a second set temperature after digestion; a level sensor configured to measure a level of the sample within the digestion vessel; a second syringe pump configured to introduce deionized water to the digestion vessel after digestion, based at least in part on the level measured by the level sensor; and a connector valve configured to receive digested sample from the digestion vessel and transfer the digested sample to an analysis system.
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公开(公告)号：US11493523B2
公开(公告)日：2022-11-08
申请号：US16944465
申请日：2020-07-31
Applicant: Elemental Scientific, Inc.
Inventor： Michael P. Field , Kevin Hahn
Abstract: Systems and methods for safe collection and transportation of fluid samples for analysis are described to avoid exposure of hazardous materials to personnel during collection and transfer of samples to laboratory processing equipment. A system embodiment includes, but is not limited to, a sample module including an enclosure configured to separate a sample from an external environment; a filling station defining a compartment into which the sample module can be received, the filling station configured to direct a fluid sample into the sample module and to rinse fluid connections between the filling station and the sample module prior to decoupling of the sample module from the filling station; and a sample transfer station configured to receive the sample module and to transfer sample from the sample module and direct the sample into a sample container.
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公开(公告)号：US10948462B1
公开(公告)日：2021-03-16
申请号：US16391993
申请日：2019-04-23
Applicant: Elemental Scientific, Inc.
Inventor： Andrew D. Toms , Michael P. Field , Nathan Saetveit
Abstract: The present disclosure is directed to systems and methods for automated column sparging of preconcentration columns for analytic testing. A system embodiment includes, but is not limited to, a selection valve fluidically coupled with a gas source and with an eluent source, the selection valve including a mixing portion to mix gas from the gas source and eluent from the eluent source to provide a bubbled eluent stream; and a preconcentration column in fluid communication with the selection valve, the preconcentration column configured to receive the bubbled eluent stream from the selection valve and direct the bubbled eluent stream into an interior of the preconcentration column.
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Patent Agency Ranking
公开(公告)号：US20210033631A1
公开(公告)日：2021-02-04
申请号：US16944465
申请日：2020-07-31
Applicant: Elemental Scientific, Inc.
Inventor： Michael P. Field , Kevin Hahn
Abstract: Systems and methods for safe collection and transportation of fluid samples for analysis are described to avoid exposure of hazardous materials to personnel during collection and transfer of samples to laboratory processing equipment. A system embodiment includes, but is not limited to, a sample module including an enclosure configured to separate a sample from an external environment; a filling station defining a compartment into which the sample module can be received, the filling station configured to direct a fluid sample into the sample module and to rinse fluid connections between the filling station and the sample module prior to decoupling of the sample module from the filling station; and a sample transfer station configured to receive the sample module and to transfer sample from the sample module and direct the sample into a sample container.
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公开(公告)号：US20230298879A1
公开(公告)日：2023-09-21
申请号：US18184205
申请日：2023-03-15
Applicant: Elemental Scientific, Inc.
Inventor： Mark Casper , Ross Coenen , Michael P. Field , Daniel R. Wiederin
CPC classification number: H01J49/105 , H01J49/0495
Abstract: Systems and methods are described for controlling flow of a purge gas introduced to an ablation cell between samples to remove atmospheric gas. A system embodiment includes, but is not limited to, a spray chamber including a spray chamber body, a transfer gas inlet configured to receive gas from a laser ablation sample cell, a first outlet line configured to transfer gas from the spray chamber to an inductively-coupled plasma torch, and a second outlet line coupled to the spray chamber body, the second gas outlet having a larger internal cross-sectional area than an internal cross-sectional area of the first outlet line; and a valve fluidically coupled to the second outlet line, the valve configured to transition between at least an open configuration configured to permit transfer gas through the second outlet line and a closed configuration configured to prevent transfer of gas through the second outlet line.
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公开(公告)号：US20220172939A1
公开(公告)日：2022-06-02
申请号：US17543926
申请日：2021-12-07
Applicant: Elemental Scientific, Inc.
Inventor： Michael P. Field , Jude Sakowski , Jordan Krahn , Ciaran J. O'Connor
IPC: H01J49/04
Abstract: Humidification systems and methods to introduce water vapor to a laser-ablated sample prior to introduction to an ICP torch are described. A system embodiment includes, but is not limited to, a water vapor generator configured to control production of a water vapor stream and to transfer the water vapor stream to at least one of a sample chamber of a laser ablation device or a mixing chamber in fluid communication with the laser ablation device, wherein the mixing chamber is configured to receive a laser-ablated sample from the laser ablation device and direct the laser-ablated sample to an inductively coupled plasma torch.
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公开(公告)号：US11195708B2
公开(公告)日：2021-12-07
申请号：US16997349
申请日：2020-08-19
Applicant: Elemental Scientific, Inc.
Inventor： Michael P. Field , Jude Sakowski , Jordan Krahn , Ciaran J. O'Connor
IPC: H01J49/04
Abstract: Humidification systems and methods to introduce water vapor to a laser-ablated sample prior to introduction to an ICP torch are described. A system embodiment includes, but is not limited to, a water vapor generator configured to control production of a water vapor stream and to transfer the water vapor stream to at least one of a sample chamber of a laser ablation device or a mixing chamber in fluid communication with the laser ablation device, wherein the mixing chamber is configured to receive a laser-ablated sample from the laser ablation device and direct the laser-ablated sample to an inductively coupled plasma torch.
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公开(公告)号：US20230298877A1
公开(公告)日：2023-09-21
申请号：US18184236
申请日：2023-03-15
Applicant: Elemental Scientific, Inc.
Inventor： Mark Casper , Ross Coenen , Michael P. Field , Daniel R. Wiederin , Jude Sakowski
CPC classification number: H01J49/0463 , H01J49/105 , G05D7/0617
Abstract: Systems and methods are described for transferring gas from an ablation cell to an inductively coupled plasma analysis system via a gas exchange membrane transfer line to exchange gas introduced to the ablation cell with a sweep gas. A system embodiment includes, but is not limited to, a laser ablation cell configured to generate a sample transfer stream through laser ablation of a sample and introduction of a carrier gas to flow the ablated sample from the laser ablation cell; an inductively-coupled plasma analysis device configured to measure one or more analytes in the sample transfer stream; and a gas exchange membrane transfer line fluidically coupled between the laser ablation cell and the inductively-coupled plasma analysis device, the gas exchange membrane transfer line configured to replace gas in the sample transfer stream with sweep gas via gas exchange across a membrane of the gas exchange membrane transfer line.
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