Ferric chloride hexa-hydrate (FeCl3 6H2O), sodium borohydride (NaBH4) and Direct Fast Black G (C34H27N13Na2O7S2, C.I.35255) were purchased from Sino-pharm Chemical Reagent Co
Ferric chloride hexa-hydrate(FeCl3 6H2O), sodium borohydride (NaBH4) and Direct Fast Black G(C34H27N13Na2O7S2, C.I.35255) were purchased from Sino-pharmChemical Reagent Co