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1. (WO2015123427) VOLUMETRIC FLOW REGULATION IN MULTI-DIMENSIONAL LIQUID ANALYSIS SYSTEMS

Pub. No.:    WO/2015/123427    International Application No.:    PCT/US2015/015643
Publication Date: Fri Aug 21 01:59:59 CEST 2015 International Filing Date: Fri Feb 13 00:59:59 CET 2015
IPC: G01N 30/46
Applicants: IDEX HEALTH & SCIENCE, LLC
Inventors: SIMS, Carl
Title: VOLUMETRIC FLOW REGULATION IN MULTI-DIMENSIONAL LIQUID ANALYSIS SYSTEMS
Abstract:
A multi-dimensional liquid analysis system includes a first dimension system and a second dimension system, wherein outflow from the first dimension system is separated at a flow splitter under controlled conditions. The flow splitter separates the first dimension outflow into first and second split outlet flows, with one of the split outlet flows being metered to a designated flow rate with a flow metering device disposed downstream from the flow splitter. The flow metering device selectively closes or opens an outlet flow path to define a volumetric flow rate along that outlet flow path, so that the other split outlet flow is correspondingly controlled.