Reactiv Potassium hydroxide solution (0.5 N) 0.5 mol/l - 0.5 N volum. stand. solution , 5 liter Solicita oferta 🢒 Vezi Detalii
Reactiv Carboxymethylcellulose sodium salt min. 99.5 %, powdered , 250 g Solicita oferta 🢒 Vezi Detalii