Ferrous Sulphate Monohydrate Ferrous Sulphate Heptahydrate Copper Sulphate Pentahydrate Zinc Sulphate Heptahydrate Zinc Sulphate Monohydrate Lead Two Nitrate Basic Copper Carbonate Sodium Hydroxide NaOH Barium Carbonate BaCO3 Manganese Sulphate Monohydrate Preservative Sodium Metabisulphite Graphite Rod Electrodes Carbon Based Electrodes Sodium Sulfide Flakes Sodium Hydrosulfide