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公开(公告)号：US11988649B2
公开(公告)日：2024-05-21
申请号：US17063873
申请日：2020-10-06
发明人： Purnendu K. Dasgupta , Bikash Chouhan , Joseph Ray
CPC分类号： G01N30/38 , B01D15/361 , G01N2030/8458
摘要： A device for ion chromatography comprises a tube with an inlet opening and an outlet opening and an inner diameter from about 40 microns to about 10 microns. There is an aperture through one side of the tube into a lumen of the tube. At least a portion of the inner surface of the tube has a first charge. An ion exchange barrier covers the aperture on an outside surface of the tube. The inner surface of the tube, from the inlet opening to the aperture, is coated with ion exchange particles having a diameter ranging from about 30 nm to about 200 nm. The ion exchange particles have a second charge opposite the first charge. The inner surface of the tube, from the outlet opening to the aperture, is not coated with ion exchange particles.
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公开(公告)号：US20220107292A1
公开(公告)日：2022-04-07
申请号：US17063873
申请日：2020-10-06
发明人： Purnendu K. Dasgupta , Bikash Chouhan , Joseph Ray
摘要： A device for ion chromatography comprises a tube with an inlet opening and an outlet opening and an inner diameter from about 40 microns to about 10 microns. There is an aperture through one side of the tube into a lumen of the tube. At least a portion of the inner surface of the tube has a first charge. An ion exchange barrier covers the aperture on an outside surface of the tube. The inner surface of the tube, from the inlet opening to the aperture, is coated with ion exchange particles having a diameter ranging from about 30 nm to about 200 nm. The ion exchange particles have a second charge opposite the first charge. The inner surface of the tube, from the outlet opening to the aperture, is not coated with ion exchange particles.
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