These reversed-phase columns contain Waters patented embedded polar group technology that “shields” the silica’ residual silanol surface from highly basic analytes. The reduced silanol activity for the SymmetryShield RP18 column significantly improves peak shape and resolution.
Thomas No | Mfr No | Description |
---|---|---|
1140B20 | WAT-186000112 | Symmetry Shield RP18 Column, 100 Angstrom, 5 µm, 4.6mm x 250mm |