Abstract: The contents of Ca,Fe,Zn,Mn,Cu,Ni in Gougfu Red Tea and Maojian Green Tea had been analyzed with atomic absorption spectrophotometer in this paper.Meanwhile,the concentration changes of these elements in infusing water of these two teas with different time and water temperatures had been researched.The maximum concentration in infusing water of different elements corresponded with different conditions of infusion.

Key words: Tea Micro element Determination Atomic absorption