Koehler K41500-4 Fluorescent Indicator Apparatus Silica Gel; 500 gram

Compatible for use with the Koehler Fluorescent Indicator Absorption Apparatus, sold separately.
An integrated electric vibration system facilitates the dry gel packing of the columns.
After the sample is introduced and adsorbed into the column, fluorescent dye indicators mark the boundaries of aromatics, olefins, and saturates, which are visible with a UV lamp.