Reactiv 3,3'-Diaminobenzidine tetrahydrochloride min. 98 %, p.a. , 1 g Solicita oferta 🢒 Vezi Detalii
Reactiv Ion exchange resin Roti®change 50 W x 4 100-200 mesh, analytical grade, H+-form , 100 g Solicita oferta 🢒 Vezi Detalii