Cephalosporins: cefoxitin, cefsulodin, cefalotin, cefotaxime, ceftriax
one, cefalexin and cefamandole were separated by TLC method on silica
gel and silanized silica gel RPC18, by a horizontal development, using
selected mobile phases. The substances were identified by UV irradiat
ion (over the amounts 0.8 mu g) and with using different reagents.