Reactiv Methyl red sodium salt (C.I. 13020) p.a., soluble in water , 25 g Solicita oferta 🢒 Vezi Detalii
Reactiv Cobalt(II)-nitrate hexahydrate ROTI®METIC 99,999 % (5N) , 10 g Solicita oferta 🢒 Vezi Detalii