Profile: Analtech, Inc. manufactures precoated plates & equipment for sample preparation and thin layer chromatography. We offer a range of adsorbent layers, plate sizes, & precoated TLC plate styles. We also supply a complete line of TLC apparatus and accessories. We offer glass-backed uniplates, flexible-backed layers, HPLC columns, bulk absorbents, modified silica gel, alumina, microcrystalline cellulose, analytical layers, HPTLC layers, preparative layers and silica gel.