With the action of ultrasonic in the process of the oxygenation reaction, the products were prepared from raw materials of industry byproduct ferrous sulfate and industry grade ammonium bicarbonate. 产品是以硫酸法生产钛白副产物七水硫酸亚铁和工业级的碳铵为原料,通过添加适宜的表面活性剂,调节适宜的pH值,在超声波作用下经沉淀-氧化反应合成。