These reversed-phase columns contain Waters innovative 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.
Chemistry |
C18 |
Separation Mode |
Reversed Phase |
Particle Substrate |
Silica |
pH Range Min |
2 pH |
pH Range Max |
8 pH |
Maximum Pressure |
6000 psi (415 Bar) |
Endcapped |
Yes |
Bonding Technology |
Shield RP18 |
Silanol Activity |
Low |
Particle Shape |
Spherical |
Particle Size |
3.5 µm |
Endfitting Type |
Waters |
Pore Size |
100 Å |
Format |
Column |
Surface Area |
335 |
System |
HPLC |
USP Classification |
L1 |
Inner Diameter |
4.6 mm |
Length |
150 mm |
Carbon Load |
17 % |
UNSPSC |
41115709 |
Brand |
Symmetry |
Product Type |
Columns |
Units per Package |
1 pk |