公开(公告)号：US20240201180A1

公开(公告)日：2024-06-20

申请号：US18068219

申请日：2022-12-19

Applicant: DIONEX CORPORATION

Inventor： Jun Cheng ,  Yan Liu ,  Arshdeep Kaur

IPC: G01N33/543 ,  G01N27/30 ,  G01N27/327 ,  G01N27/404

CPC classification number: G01N33/5438 ,  G01N27/301 ,  G01N27/3273 ,  G01N27/4045

Abstract: A detection cell for a chromatography system, the detection cell includes a cell body including a counter electrode in the form of the cell body or a wire; a working electrode block including a working electrode; a gasket separating the working electrode block from the cell body, the gasket defining a sample flow pathway extending between an inlet and an outlet of the detection cell and in fluid contact with the cell body, the counter electrode, and the working electrode; and a reference electrode system in fluidic contact with the outlet and including a platinum auxiliary electrode operably connected to a positive pole of a power supply and a platinum reference electrode operably connected to a negative pole of the power supply.

公开(公告)号：US20240201146A1

公开(公告)日：2024-06-20

申请号：US18068246

申请日：2022-12-19

Applicant: Dionex Corporation

Inventor： Jun Cheng ,  Yan Liu ,  Gary L. Gleave

IPC: G01N30/64

CPC classification number: G01N30/64 ,  G01N2030/027

Abstract: The present invention relates to, in general, a disposable electrically insulating substrate surface comprising a platinum hydrogen reference electrode system structure, the use of such a substrate in a flow-through electrochemical cell assembly and methods of manufacturing said substrate. For example, in some embodiments, a disposable electrically insulating substrate surface comprising a platinum hydrogen reference electrode system structure, wherein the platinum hydrogen reference electrode system comprises an electrically conductive and electrochemically active platinum hydrogen reference electrode system region bound as a layer, directly or indirectly, to said substrate surface.