Dionex solvent controller (available part numbers: 051981 & 052613-01) for use with the Dionex ASE 200 & ASE 300 accelerated solvent extractor. The solvent controller allows unattended, automatic switching between solvent systems. Solvent is delivered from one to four reservoirs with mixing from 5% to 95% of total volume. Reduces operator exposure to solvent by eliminating frequent solvent bottle changes. Solvent caddy holds up to four 1L or 2L solvent bottles. Multiple extractions can be performed using any combination of solvent sources. Alternate solvents can be used for rinsing the system. The ASE solvent controller is directly programmable from the ASE 200 or 300.Please contact us with complete Dionex HPLC solvent controller details.