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用石墨炉原子吸收法分析测定了牛黄解毒片中的As、Hg、Cd等微量元素.并试图将对应因子分析法（CFA）应用于中成药牛黄解毒片中As化学分析数据的直接处理,探讨研究牛黄解毒片中As的控制线,以确保药品质量.结果表明,不论对数据施行交换与否,用对应因子分析方法得出的控制线很接近,证明化学计量学进入医药质量管理行业是可行的
The trace elements such as As, Hg, and Cd in Niuhuang Jiedu Tablets were analyzed and determined by graphite furnace atomic absorption spectrometry. The corresponding factor analysis method (CFA) was applied to the direct processing of As chemical analysis data in proprietary Chinese medicine Niuhuang Jiedu Tablets. To study the control line of As in Niuhuang Jiedu Tablets to ensure the quality of medicines. The results show that, regardless of whether the data is exchanged or not, the control lines obtained by using the corresponding factor analysis method are close to each other, which proves that it is feasible for chemometrics to enter the pharmaceutical quality management industry. of