Base Deac Guard Col 5m 0.32mm ,Each

Details:

Base-deactivated fused silica guard columns^ 0.32Mm id. 0.45 /- 0.04Mm od. 5-Meter length. Not tested with the grob test mix because of a high pressure drop. 30-And 60-meter lengths are banded in 5-meter sections. Angstroms recommendation: cut 60m guard columns into shorter lengths.