Reactiv Chromium(III) potassium sulphate dodecahydrate, min. 98%, p.a., ACS , 250 g Solicita oferta 🢒 Vezi Detalii
Reactiv Ion exchange resin Roti®change 50 W x 8 200-400 mesh, analytical grade, H+-form , 100 g Solicita oferta 🢒 Vezi Detalii