Reactiv Potassium hydroxide solution 0.1 mol/l - 0.1 N volum. stand. solution , 5 liter Solicita oferta 🢒 Vezi Detalii
Reactiv 3,3'-Diaminobenzidine tetrahydrochloride min. 98 %, p.a. , 1 g Solicita oferta 🢒 Vezi Detalii