Reactiv 1-Amino-2-hydroxy-4-naphthalenesulfonic acid, min. 98 %, p.a., ACS , 100 g Solicita oferta 🢒 Vezi Detalii
Reactiv Potassium hydroxide solution 0.1 mol/l - 0.1 N volum. stand. solution , 5 liter Solicita oferta 🢒 Vezi Detalii
Reactiv Ion exchange resin Roti®change 1 x 8 20-50 mesh, analytical grade, Cl--form , 500 g Solicita oferta 🢒 Vezi Detalii