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公开(公告)号：US20210121873A1
公开(公告)日：2021-04-29
申请号：US17094246
申请日：2020-11-10
Applicant: Elemental Scientific, Inc.
Inventor： Daniel R. Wiederin , Austin Schultz
Abstract: Sample preparation systems and methods are described having pump control, valve configurations, and control logic that facilitate automatic, inline preparation dilutions of a sample according to at least two dilution operating modes. A system embodiment includes, but is not limited to a first pump configured to drive a carrier fluid; a second pump configured to drive a diluent; and a plurality of selection valves fluidically coupled with the first pump and the second pump, the plurality of selection valves being configured to direct fluid flows from the first pump and the second pump according to at least two modes of operation to provide a single-stage sample dilution according to a first operating mode and to provide a dual-stage sample dilution according to a second operating mode.
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公开(公告)号：US10465853B2
公开(公告)日：2019-11-05
申请号：US15620092
申请日：2017-06-12
Applicant: Elemental Scientific, Inc.
Inventor： Daniel R. Wiederin , Austin Schultz
Abstract: A system can include a valve assembly including a first valve and a second valve in fluid communication with the first valve. The valve assembly can be configured to deliver one or more of a sample, a chemical (e.g., an acid, a base, an organic chemical, etc.), and a standard via flow of a working fluid facilitated by one or more syringe pumps. Further, the one or more of the sample, the chemical, and the standard can maintain a physical separation from the one or more syringe pumps during delivery of the one or more of the sample, the chemical, and the standard.
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33.发明授权公开(公告)号：US09909957B1
公开(公告)日：2018-03-06
申请号：US13729323
申请日：2012-12-28
Applicant: Elemental Scientific, Inc.
Inventor： Daniel R. Wiederin , Austin Schultz
CPC classification number: G01N1/28 , B01D19/0005 , G01N1/38 , G01N1/4044 , H01J49/105
Abstract: A method for detecting material in a sample using an ICP instrument includes preparing the sample for analysis by the ICP instrument using hydrogen gas. For example, hydrogen gas can be generated by initiating a hydride generation reaction with the sample. Further, hydrogen gas can be introduced to a component part of the sample. For instance, hydrogen gas can be added to an injector gas in a spray chamber of the ICP instrument.
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公开(公告)号：US09733158B1
公开(公告)日：2017-08-15
申请号：US14830052
申请日：2015-08-19
Applicant: Elemental Scientific, Inc.
Inventor： Daniel R. Wiederin , Austin Schultz
IPC: G01N1/14
CPC classification number: G01N1/14 , G01N1/38 , G01N21/73 , G01N35/1097
Abstract: A system can include a sampler assembly configured to collect a viscous sample at a first location. In implementations, the viscous sample includes concentrated sulfuric acid (e.g., greater than about 75% H2SO4). The system can also include a valve coupled with the sampler assembly for receiving the viscous sample. The valve is configured to couple with a source of a diluent and a sample transfer line. The system further includes a pump coupled with the valve for injecting the diluent into the sample transfer line along with the viscous sample to dilute the viscous sample and transport the diluted sample to a second location remote from the first location via the sample transfer line. In implementations, the sample transfer line is at least approximately two meters in length.
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公开(公告)号：US09239581B1
公开(公告)日：2016-01-19
申请号：US13656972
申请日：2012-10-22
Applicant: Elemental Scientific, Inc.
Inventor： Daniel R. Wiederin , Austin Schultz
IPC: G05D11/02
CPC classification number: G05D11/02 , H01J49/0413 , H01J49/045 , H01J49/105
Abstract: A sample introduction system providing variable online dilution of a sample is described. In one or more implementations, the sample introduction system includes a sample pump configured to pump a sample in a specified time interval and a first carrier syringe pump configured to pump a volume of a carrier to be combined with the sample in the specified time interval. A control module is configured to receive a specified dilution level for the sample (e.g., input by an operator) and selectively adjust the volume of the carrier pumped by the first carrier syringe pump in the specified time interval to furnish the specified dilution for the sample.
Abstract translation: 描述了提供样品可变在线稀释的样品引入系统。 在一个或多个实施方案中，样品引入系统包括配置成以特定时间间隔泵送样品的样品泵和被配置成在规定的时间间隔内泵送与样品组合的载体体积的第一载体注射泵。 控制模块被配置为接收样品的指定稀释度（例如，由操作者输入），并且以指定的时间间隔选择性地调节由第一载体注射泵泵送的载体的体积，以提供样品的指定稀释度 。
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Patent Agency Ranking
公开(公告)号：US12100581B2
公开(公告)日：2024-09-24
申请号：US18175073
申请日：2023-02-27
Applicant: Elemental Scientific, Inc.
Inventor： Austin Schultz , Daniel R. Wiederin
CPC classification number: H01J49/0431 , G01N1/28
Abstract: An analysis system includes a degassing cell, at least one first valve, and at least one second valve. The at least one first valve is fluidly coupled with a top of the degassing cell, the at least one first valve configured selectably connect the degassing cell to a displacement gas flow and to a vacuum source. The at least one second valve is fluidly connected with a lateral side of the degassing cell and separately fluidly connected with a bottom of the degassing cell. The at least one second valve is selectably coupled with any of a source of a sample-carrying fluid, a transfer line configured to deliver a sample to an analysis device, or a waste output.
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公开(公告)号：US11911759B2
公开(公告)日：2024-02-27
申请号：US17678573
申请日：2022-02-23
Applicant: Elemental Scientific, Inc.
Inventor： Daniel R. Wiederin , Austin Schultz
CPC classification number: B01L3/502 , B01L3/523 , B01L3/567 , G01N1/38 , G01N21/73 , G01N35/1097 , H01J49/0431 , B01L2200/0605 , B01L2300/024 , B01L2300/049 , B01L2300/0806 , B01L2300/0861 , B01L2300/0867 , B01L2400/049 , B01L2400/0487 , B01L2400/06 , G01N21/71 , G01N2001/386 , G01N2035/1032 , H01J49/105
Abstract: Sample preparation systems and methods are described having pump control, valve configurations, and control logic that facilitate automatic, inline preparation dilutions of a sample according to at least two dilution operating modes. A system embodiment includes, but is not limited to a first pump configured to drive a carrier fluid; a second pump configured to drive a diluent; and a plurality of selection valves fluidically coupled with the first pump and the second pump, the plurality of selection valves being configured to direct fluid flows from the first pump and the second pump according to at least two modes of operation to provide a single-stage sample dilution according to a first operating mode and to provide a dual-stage sample dilution according to a second operating mode.
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38.发明公开公开(公告)号：US20230352288A1
公开(公告)日：2023-11-02
申请号：US18137549
申请日：2023-04-21
Applicant: Elemental Scientific, Inc.
Inventor： Cole J. Nardini , Austin Schultz , Daniel R. Wiederin
CPC classification number: H01J49/0036 , H01J49/105
Abstract: Systems and methods for iterative removal of outlier data from spectrometry data to determine one or more of a particle baseline and a detection threshold for nanoparticles are described. Ion signal intensity values that exceed an outlier threshold value associated with a sum of a first multiple of an average of the count distribution of ion signal intensity and a first multiple of a standard deviation of the count distribution of ion signal intensity are iteratively removed from the raw data set until no outliers remain, providing a background data set. A nanoparticle baseline intensity value is set as a sum of a second multiple of an average of the background data set and a second multiple of a standard deviation of the background data set to differentiate between signal intensity values that are associated with background interference and that are associated with the presence of nanoparticles in the sample.
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公开(公告)号：US20230290626A1
公开(公告)日：2023-09-14
申请号：US18175073
申请日：2023-02-27
Applicant: Elemental Scientific, Inc.
Inventor： Austin Schultz , Daniel R. Wiederin
CPC classification number: H01J49/0431 , G01N1/28
Abstract: An analysis system includes a degassing cell, at least one first valve, and at least one second valve. The at least one first valve is fluidly coupled with a top of the degassing cell, the at least one first valve configured selectably connect the degassing cell to a displacement gas flow and to a vacuum source. The at least one second valve is fluidly connected with a lateral side of the degassing cell and separately fluidly connected with a bottom of the degassing cell. The at least one second valve is selectably coupled with any of a source of a sample-carrying fluid, a transfer line configured to deliver a sample to an analysis device, or a waste output.
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公开(公告)号：US20230087861A1
公开(公告)日：2023-03-23
申请号：US17956229
申请日：2022-09-29
Applicant: Elemental Scientific, Inc.
Inventor： Daniel R. Wiederin , Kyle W. Uhlmeyer , Austin Schultz , Jacob Unnerstall , Kevin Wiederin
Abstract: Systems and methods are described to maintain a liquid sample segment of a sample transmitted through a transfer line from a remote sampling to an analysis system. A system embodiment includes, but is not limited to, a sample transfer line configured to transport a liquid sample from a remote sampling system via gas pressure; a sample loop fluidically coupled with the sample transfer line, the sample loop configured to hold a sample fluid; and a backpressure chamber fluidically coupled with a gas pressure source and with the sample transfer line, the backpressure chamber configured to supply a backpressure against the liquid sample during transport through the sample transfer line.
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