Reactiv di-Sodium tetraborate decahydrate min. 99,5 %, p.a., ACS, ISO , 1 kg Solicita oferta 🢒 Vezi Detalii
Reactiv Phenolphthalein indicator solution 1 % in ethanol 90 %, denatured , 500 ml Solicita oferta 🢒 Vezi Detalii