Do not filter this precipitate in a sintered glass frit. The product was washed with water until the filtrate showed no signs of sulfate (treat with...

Note: Do not filter this precipitate in a sintered glass frit. The product was washed with water until the filtrate showed no signs of sulfate (treat with BaCl2 and look for BaSO3 precipitate). The product was dried in an oven. Questions: How can you characterize your product? How can you be sure that it is indeed magnetite and not some other iron oxide? What is the structure of magnetite?