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US 12,247,307 B2Granted
Configuration for ultra high pressure electrolytic eluent generators
AssigneeDionex Corporation
InventorsZhongqing Lu, Yan Liu, Angelo Rubero, Jr., Rong Lin
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Abstract
An electrolytic eluent generator includes an electrolyte reservoir and at least one eluent generation cartridge. The electrolyte reservoir includes a chamber containing an aqueous electrolyte solution; and a first electrode. The at least one eluent generation cartridge includes a platinum mesh electrode; a polymer screen; a plurality of reinforced membranes; a membrane washer; and a spacer including a central post and an annular projection.
Claims18
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.
4 more elements
An electrolytic eluent generator comprising:
- an electrolyte reservoir including:
- a chamber containing an aqueous electrolyte solution;
- and
- a first electrode:
- at least one eluent generation cartridge including:
- 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.
9 more elements
Dependencies are inferred from the claim text.