Reagents Sodium sulphate decahydrate Sodium sulphate, "Pure" (P) "Proanalysi" (P.A.) and "Chemically pure" (CH.P.) Sodium sulphite, "Pro analysi" (P.A.),"Pure" (P) Sodium thiosulphate pentahydrate "Pure" (P)"Pro analysi" (P.A.) Magnesium sulphate heptahydrate Barium sulphate Barium hydroxide octohydrate
Reagents