Home :: HPLC Columns :: Nacalai Tesque (COSMOSIL, COSMOSCORE, COSMOGEL) :: COSMOSIL Series (Silica based) :: COSMOSIL nNAP Series (Napthylethyl group with stronger n-n Interaction than Phenyl) :: COSMOSIL nNAP 120Å - 3µm :: COSMOSIL 3πNAP 120Å 3µm, 4.6 x 50mm, ea.