US 12,247,307 B2
Configuration for ultra high pressure electrolytic eluent generators
Zhongqing Lu, Fremont, CA (US); Yan Liu, Palo Alto, CA (US); Angelo Rubero, Jr., Sunnyvale, CA (US); and Rong Lin, Sunnyvale, CA (US)
Assigned to Dionex Corporation, Sunnyvale, CA (US)
Filed by Dionex Corporation, Sunnyvale, CA (US)
Filed on Dec. 30, 2021, as Appl. No. 17/565,643.
Prior Publication US 2023/0212763 A1, Jul. 6, 2023
Int. Cl. C25B 9/01 (2021.01); B01D 15/36 (2006.01); B01D 15/42 (2006.01); C25B 1/16 (2006.01); C25B 11/031 (2021.01); C25B 11/042 (2021.01); C25B 13/02 (2006.01); G01N 30/96 (2006.01)
CPC C25B 9/01 (2021.01) [B01D 15/361 (2013.01); B01D 15/426 (2013.01); C25B 1/16 (2013.01); C25B 11/031 (2021.01); C25B 11/042 (2021.01); C25B 13/02 (2013.01); G01N 30/96 (2013.01); G01N 2030/965 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An eluent generation cartridge comprising:
a platinum mesh electrode;
a polymer screen;
a plurality of reinforced membranes;
a membrane washer including at least one ion exchange membrane; and
a spacer including a central post and an annular projection,
wherein the membrane washer is deformable into an annular space between the annular projection and the central post during compression such that a gap is formed between the membrane washer and the adjacent ion exchange membrane.