Reactiv 1-Ethyl-3-methyl-imidazolium- trifluoromethansulphonate, min. 99 % , 25 g Solicita oferta 🢒 Vezi Detalii
Reactiv Potassium hydroxide solution 0.1 mol/l - 0.1 N volum. stand. solution , 5 liter Solicita oferta 🢒 Vezi Detalii