Reactiv 4-Hydroxybenzoic acid propyl ester min. 98 %, Ph. Eur., USP , 500 g Solicita oferta 🢒 Vezi Detalii
Reactiv Heptane-1-sulphonic acid sodium salt min. 98 %, for ion pair chromatography , 25 g Solicita oferta 🢒 Vezi Detalii
Reactiv Sodium hydroxide solution 0.5 mol/l - 0.5 N volum. stand. solution , 5 l Solicita oferta 🢒 Vezi Detalii