LiChrospher® Si 60 F₂₅₄s HPTLC Plates Versus Conventional Si 60 F₂₅₄ HPTLC Plates
(detection limits, UV 254 nm, ng/spot)

Compound	Visually		Spectrophotometrically
	HPTLC silica gel 60 F254	LiChrospher® Si 60 F254s	HPTLC silica gel 60 F254	LiChrospher® Si 60 F254s
Ascorbic acid	100	100	100	25
Cortisone	50	25	25	10
Atrazine	50	25	10	5
Prometryne	25	10	10	5
Theophylline	50	25	25	10
o-Aminophenol	50	25	25	5
m-Aminophenol	10	5	10	5
p-Aminophenol	100	50	50	25
Scanning electron images of the cross-sections of:
A) Classical silica TLC plate	B) High-performance silica HPTLC plate		C) LiChrospher® silica HPTLC plate