Ammonium sulfate is a chemical compound with the formula (NH4)2SO4. It is a white, crystalline solid that is highly soluble in water. It is commonly used as a fertilizer, as it provides nitrogen and sulfur to plants.

Aluminum is a chemical element with the symbol Al. It is a silvery-white metal that is the most abundant metal in the Earth's crust. It is commonly used in the production of aircraft, automobiles, and other products.

Therefore, ammonium sulfate and aluminum are not the same.