Modified silica layers are, depending on the modification, suitable for polar to unpolar eluents or eluent mixtures.

• RP-18w is a special modified sorbent which is water wettable

Indicator: Acid-resistant with a pale blue fluorescence for short wavelength UV (254 nm).

Binder: Stable in almost all organic solvents.

Particle size: 2 to 10 µm