Compositions of constant and tra ce elements in Dushan jade from Nanyang area of Henan province were studie d by PIXE and wet chemical analysis.

• 利用质子激发X荧光分析(PIXE)。湿法化学分析对河南南阳独山玉进行常量和微量元素分析,确定了鉴定独山玉的指纹元素。