- RP-2 dimethyl-modified Silica Gel 60 - fluorescent indicator (UV 254) - Glass-backed - 250 μm thickness - 20x20 cm - 25 plates per box This TLC plate can be developed using purely organic, organic/aqueous, and purely aqueous mobile phases. Due to this these plates have been used in numerous applications in normal phase chromatography as well as reversed phase chromatography. Common applications include the analysis of active plant constituents and steroids.