Reactiv 4-Hydroxybenzoic acid ethyl ester ROTI®STAR Primary Standard , 100 mg Solicita oferta 🢒 Vezi Detalii
Reactiv Acetic acid ethyl ester min. 99.5 %, Ph.Eur., extra pure , 10 liter Solicita oferta 🢒 Vezi Detalii
Reactiv Carboxymethylcellulose sodium salt min. 99.5 %, powdered , 1 kg Solicita oferta 🢒 Vezi Detalii
Reactiv Zn-Cu-In-S/ZnS, ROTI®nanoMETIC Cd-free, lambda max. 530 ±15 nm , 10 mg Solicita oferta 🢒 Vezi Detalii