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中药制剂的质量控制,首先应控制单味药材的质量。因此,在保证药品必须安全、有效的前提下,除对原料药的真伪、纯度、品质优劣等作鉴定外,对由于环境污染而可能引入的有害物质进行检测,也具有非常重要的意义。现以砷为例来说明此问题。砷化合物属剧毒物质。三氧化二砷的口服致死量为100～300mg,中毒剂量为10～
For the quality control of traditional Chinese medicine preparations, the quality of single herbs should be controlled first. Therefore, on the premise of ensuring that drugs must be safe and effective, in addition to authenticating the authenticity, purity, and quality of raw materials, it is also very important to detect harmful substances that may be introduced due to environmental pollution. . Arsenic is used as an example to illustrate this issue. Arsenic compounds are highly toxic substances. The oral lethal dose of arsenic trioxide is 100 to 300 mg, and the toxic dose is 10 to