Reactiv di-Sodium tetraborate anhydrous min. 99 %, extra pure , 2,5 kg Solicita oferta 🢒 Vezi Detalii
Reactiv 4-Hydroxybenzoic acid methyl ester ROTI®STAR Primary Standard , 100 mg Solicita oferta 🢒 Vezi Detalii
Reactiv Ion exchange resin Roti®change 1 x 8 20-50 mesh, analytical grade, Cl--form , 250 g Solicita oferta 🢒 Vezi Detalii