Reactiv Phenolphthalein indicator solution 1 % in ethanol 90 %, denatured , 500 ml Solicita oferta 🢒 Vezi Detalii
Reactiv Sodium hydroxide solution 0.25 mol/l - 0.25 N volumetric solution , 10 liter Solicita oferta 🢒 Vezi Detalii
Reactiv Hydrochloric acid 1 mol/l - 1 N volum. standard solution , 5 l Solicita oferta 🢒 Vezi Detalii