응용 : General normal phase, Non-polar compound
         LC/MS using Reversed-Reversed phase Gradient
장점 : High efficiency and stability

Particle size  : 3μ, 5μ , 10μ , 10μ -PREP, 15μ (Ultra pure silica : No metal)
Pore Size : 100Å                           pH stability : 2.5 - 7.5    
Surface area : 400㎡/g                    Carbon loading : 0%

Available Dimension : Microbore (1.0mm ID) ~ Preparative(>50mm ID), Bulk media