Patent ID: 9103814
Filing Date: 2015-08-11
Classification: G01N,G05D

Abstract:
1. A system for providing a gradient to a nano-flow capillary liquid chromatography device, the system comprising: an aqueous pump for producing a first output and for delivering the gradient; an organic pump for producing a second output mixed with the first output to produce a solution; a processing device for controlling the pumps; a storage capillary for forming the gradient from a portion of the solution; a fitting connected to the storage capillary, wherein the fitting forms a first outlet connected to the nano-flow capillary liquid chromatography device and a second outlet; and a valve connected to the second outlet and controlled by the processing device designed to form the gradient in the storage capillary by opening the valve to direct resident fluid to waste while the aqueous and organic pumps run to form the gradient, wherein to deliver the gradient to the nano-flow capillary liquid chromatography device, and closing the valve so that the aqueous pump runs to deliver the gradient and the organic pump is offline.