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公开(公告)号：WO2020023601A9
公开(公告)日：2020-01-30
申请号：PCT/US2019/043182
申请日：2019-07-24
Applicant: HACH COMPANY
Inventor： RAJASEKHARAN, Vishnu , YOUNG, Russell , LEGGETT, Richard , O'MAHONY, Seamus
IPC: G01N31/00 , G01N33/18 , G01N27/416 , G01N21/78 , G01N21/80 , G01N31/22 , G01N27/30 , G01N27/31 , G01N21/77
Abstract: An embodiment provides a method for measuring at least one characteristic of an aqueous sample, including: introducing an aqueous sample into a measurement device comprising one or more electrodes; oxidizing a transition metal to produce a higher valent metal by applying an electrical potential between an anode and a cathode of the measurement device; oxidizing, using the higher valent metal as a catalyst, a material within the aqueous sample; measuring a characteristic of the aqueous sample based upon the oxidized material, using a measurement device selected from the group consisting of: an electrochemical measurement device and an optical measurement device; and optimizing the electrical potential and at least one reagent delivered to the measurement device based on the measurement of the characteristic. Other aspects are described and claimed.
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公开(公告)号：WO2020023601A1
公开(公告)日：2020-01-30
申请号：PCT/US2019/043182
申请日：2019-07-24
Applicant: HACH COMPANY
Inventor： RAJASEKHARAN, Vishnu , YOUNG, Russell , LEGGETT, Richard , O'MAHONY, Seamus
IPC: G01N31/00 , G01N33/18 , G01N27/416 , G01N21/78 , G01N21/80 , G01N31/22 , G01N27/30 , G01N27/31 , G01N21/77
Abstract: An embodiment provides a method for measuring at least one characteristic of an aqueous sample, including: introducing an aqueous sample into a measurement device comprising one or more electrodes; oxidizing a transition metal to produce a higher valent metal by applying an electrical potential between an anode and a cathode of the measurement device; oxidizing, using the higher valent metal as a catalyst, a material within the aqueous sample; measuring a characteristic of the aqueous sample based upon the oxidized material, using a measurement device selected from the group consisting of: an electrochemical measurement device and an optical measurement device; and optimizing the electrical potential and at least one reagent delivered to the measurement device based on the measurement of the characteristic. Other aspects are described and claimed.
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公开(公告)号：WO2019027898A1
公开(公告)日：2019-02-07
申请号：PCT/US2018/044373
申请日：2018-07-30
Applicant: HACH COMPANY
Inventor： O'MAHONY, Seamus , RAJASEKHARAN, Vishnu, Vardhanan
Abstract: An embodiment provides a method for oxidizing organic carbon, including: introducing, in a reaction chamber of a total organic carbon analyzer, a fluid sample comprising organic carbon, wherein the reaction chamber includes an electrochemical cell and wherein the electrochemical cell comprises an SP3 substituted solid carbon electrode doped with a conductivity elevating composition; applying, using a generator, a positive potential to the SP3 substituted carbon electrode, the positive potential being sufficient to oxidize organics in the fluid sample to produce carbonate and partially oxidized organics; introducing, in the reaction chamber, at least one acid reagent comprising a metallic catalyst, prior to or substantially simultaneously during the application of the positive potential to the SP3 substituted carbon electrode, that converts the carbonate and the partially oxidized species to carbon dioxide; and detecting, using at least one detector, the carbon dioxide produced by the oxidation.
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Patent Agency Ranking
公开(公告)号：EP3767286A1
公开(公告)日：2021-01-20
申请号：EP20152060.8
申请日：2020-01-15
Applicant: Hach Company
Inventor： O'MAHONY, Seamus
Abstract: A method for oxidizing a component in a fluid sample includes: introducing, in a reaction chamber (314) of a total analyte analyzer, a fluid sample (305) comprising a component, wherein the reaction chamber includes an electrochemical cell and wherein the electrochemical cell comprises at least one SP3 substituted solid carbon electrode doped with a conductivity elevating composition; applying, using a generator, a potential to the at least one SP3 substituted solid carbon electrode, the potential being sufficient to oxidize the component in the fluid sample to produce carbonate and partially oxidized organics; introducing, in the reaction chamber, a base and thereafter an acid to oxidize the total analyte; and detecting, using at least one detector, the total analyte produced by the oxidation.
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公开(公告)号：EP3809129A3
公开(公告)日：2021-05-19
申请号：EP20203786.7
申请日：2018-07-30
Applicant: Hach Company
Inventor： O'MAHONY, Seamus , RAJASEKHARAN, Vishnu, Vardhanan
Abstract: A total organic carbon analyzer comprises a reaction chamber for receiving a fluid sample comprising organic carbon, wherein the reaction chamber includes an electrochemical cell and wherein the electrochemical cell comprises an SP3 substituted solid carbon electrode doped with a conductivity elevating composition.
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公开(公告)号：EP3809129A2
公开(公告)日：2021-04-21
申请号：EP20203786.7
申请日：2018-07-30
Applicant: Hach Company
Inventor： O'MAHONY, Seamus , RAJASEKHARAN, Vishnu, Vardhanan
Abstract: A total organic carbon analyzer comprises a reaction chamber for receiving a fluid sample comprising organic carbon, wherein the reaction chamber includes an electrochemical cell and wherein the electrochemical cell comprises an SP3 substituted solid carbon electrode doped with a conductivity elevating composition.
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公开(公告)号：EP3827256A1
公开(公告)日：2021-06-02
申请号：EP19752316.0
申请日：2019-07-24
Applicant: Hach Company
Inventor： RAJASEKHARAN, Vishnu , YOUNG, Russell , LEGGETT, Richard , O'MAHONY, Seamus
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公开(公告)号：EP3615927A1
公开(公告)日：2020-03-04
申请号：EP18755614.7
申请日：2018-07-30
Applicant: Hach Company
Inventor： O'MAHONY, Seamus , RAJASEKHARAN, Vishnu, Vardhanan
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