... )manufacturerbieberite; cobalt(II) sulfate (1:1) heptahydrate; Cobaltous sulfate, heptahydrate; Cobalt(II)Sulfate Heptahydrate; Cobalt monosulfate, heptahydrate; Cobalt sulfate, 7-hydrate; COBALT SULFATE, ... 99.999%; Sulfuric acid, cobalt salt, heptahydrate; sulfuric acid, cobalt(2 ...