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密陀僧始载于《唐本草》,有燥湿、杀虫、敛疮等功能,用于湿疮疥癣、疮疡溃破不敛等症。其来源为铅矿石冶炼而成的氧化铅或炼银时沉积于炉底的副产物,目前国内使用的商品均系此物。但最近我们在浙江绍兴,嵊县等地发现一种用电器化工厂在熔炼报废变电设备内有色金属(Cu、Al、Pb、Sn 等)时的残渣(原用作制皮蛋用)作密陀僧药用。现将其鉴别方法报道如下。采用发射光谱的方法,用市售正品作对照品,测定了 Pb、Fe 等八种元素。仪器采用 WPI 型光谱仪。经检测其结果如下表:
The litharge was first introduced in “Tang Ben Cao” and has functions such as dampness, insecticide, and so on. It is used for wet sores and ulcers, ulcers, ulcers, and so on. The source is lead oxide produced by lead ore smelting or by-products deposited on the bottom of the furnace when smelting silver. The products currently used in China are all based on this product. But recently, we found in Shaoxing, Ji County, Zhejiang Province, a residue from the use of electrical chemical plants in the melting of end-of-life non-ferrous metals (Cu, Al, Pb, Sn, etc.) in scrapped electrical equipment (previously used for making preserved eggs) as dense Tuo medicinal. The identification method is now reported as follows. Using the method of emission spectroscopy, eight elements such as Pb and Fe were measured using a commercially available authentic product as a reference. The instrument uses a WPI spectrometer. The test results are as follows: