Reactiv Osmium tetraoxide, min. 99.95 % p.a. for electron microscopy , 100 mg Solicita oferta 🢒 Vezi Detalii
Reactiv Potassium hydroxide solution 0.1 mol/l - 0.1 N volum. stand. solution , 5 liter Solicita oferta 🢒 Vezi Detalii