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用等离子发射光谱法对其 5种石决明样品分别测定了无机微量元素 ,并用 X射线衍射仪进行了结构的测定分析。结果表明均含两种成分 ,即 Ca CO3(方解石 )及 △Ca CO3(文石 )。
The inorganic trace elements were determined by plasma emission spectroscopy on five kinds of cassia cassia samples, and the structure was measured and analyzed by X-ray diffractometer. The results showed that both components contained CaCO3 (calcite) and △CaCO3 (aragonite).