... Length: 150mm, 250mmaaStandardaa Connection: 1/16aa (Standard) Column is at the heart of chromatographic system. Because of different ... material, such as Kromasil, Luna, YMC, Daiso etc.Semi-Preparative HPLC ColumnDimension: ID 20mm, 30mm, 50mm(Standard)Length: 250mm ... requirements and we provide Semi-Preparative HPLC column re-packing service.We Promise:1. Each column must be tested strictly and ...