Reactiv 4-Hydroxybenzoic acid ethyl ester ROTI®STAR Primary Standard , 100 mg Solicita oferta 🢒 Vezi Detalii
Reactiv 1-Butyl-1-methyl-pyrrolidinium- dicyanamide, min. 98 % , 100 g Solicita oferta 🢒 Vezi Detalii
Reactiv Potassium hydroxide solution 1 mol/l - 1 N volumetric solution , 5 liter Solicita oferta 🢒 Vezi Detalii