Base Deac Guard Col 5m 0.53mm ,Each

Details:

Base-deactivated fused silica guard columns^ 0.53Mm id. 0.69 /- 0.05Mm 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.