ICP-AES DETERMINATION OF 20 ELEMENTS IN CHESTNUTS GROWN IN 3 DIFFERENT AREAS IN CHINA

ICP-AES was applied to the determination of 20 elements in chestnut samples grown in 3 different areas in China and a comparative study of their contents were made.Conditions of sample dissolution and working parameters of the instrument were studied and optimized.RSD′s of the analytical results obtained were in the range of 0.11%-6.9%,and the recoveries were in the range of 95.1%-108.0%.