Reactiv Carbazole, ROTI®CALIPURE Melting point standard 243-247 °C , 1 g Solicita oferta 🢒 Vezi Detalii
Reactiv 4-Hydroxybenzoic acid methyl ester ROTI®STAR Primary Standard , 100 mg Solicita oferta 🢒 Vezi Detalii
Reactiv Hydrochloric acid (0,1 N) 0.1 mol/l - 0.1 N volum. stand. solution , 5 liter Solicita oferta 🢒 Vezi Detalii