Reactiv Diethylene triamine pentaacetic acid min. 99 %, for synthesis , 1 kg Solicita oferta 🢒 Vezi Detalii
Reactiv Phenolphthalein indicator solution 1 % in ethanol 90 %, denatured , 500 ml Solicita oferta 🢒 Vezi Detalii
Reactiv Hydrochloric acid 0.5 mol/l - 0.5 N volum. stand. solution , 5 liter Solicita oferta 🢒 Vezi Detalii