Reactiv di-Sodium tetraborate decahydrate min. 99,5 %, p.a., ACS, ISO , 1 kg Solicita oferta 🢒 Vezi Detalii
Reactiv Potassium hydroxide solution (0.5 N) 0.5 mol/l - 0.5 N volum. stand. solution , 5 liter Solicita oferta 🢒 Vezi Detalii