... ; 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+) salt (1:1), heptahydrate; Cobalt (II) Sulfate Heptahydrate; Cobaltous sulfate Cobalt sulfate ...