A water soluble cationic aluminum zirconium coupling agent was synthesized, and the precipitated calcium carbonate was modified with the cationic aluminum zirconium coupling agent.
合成了一种阳离子型水溶性铝锆偶联剂,以此对轻质碳酸钙作表面改性。
2
A new process of metallurgy of rare metals zirconium and hafnium with caustic soda instead of sodium carbonate to rub up zircon is examined.