Welch Materials Advanchrom C18 Columns

Advanchrom C18 is a fast, highly efficient, and exceptionally stable HPLC column introduced by Welch Materials, Inc. It features an ultra‑pure silica substrate treated with our proprietary organic–inorganic grafting technology, forming a highly robust hybrid layer on the silica surface and extending its pH stability range to 1–12.5. The column is further enhanced by our unique bonding and end‑capping processes for optimal performance.