Supelco, a Sigma-Aldrich Corporation subsidiary, is an ISO 9001-registered company that manufactures and distributes an extensive selection of U/HPLC and chiral columns for small-molecule and biopolymer separations; GC columns; SPE products and SPME materials for sample preparation; chemical standards and customized products and services (such as resin, media processing and small unit packaging).  Supelco's main production facility is in Bellefonte, Pennsylvania. An extensive network of Sigma-Aldrich subsidiaries and sales professionals promotes and supports Supelco products worldwide.

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