Reactiv Methyl red sodium salt (C.I. 13020) p.a., soluble in water , 25 g Solicita oferta 🢒 Vezi Detalii
Reactiv 4-Hydroxybenzoic acid ethyl ester ROTI®STAR Primary Standard , 100 mg Solicita oferta 🢒 Vezi Detalii
Reactiv Ion exchange resin Roti®change 1 x 8 20-50 mesh, analytical grade, Cl--form , 500 g Solicita oferta 🢒 Vezi Detalii