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稀酸浸煮原子吸收光谱法测定传统中药中的铅、铜和汞具体方法:将样品磨切成很均匀混合物,称取3g样品置于酸洗过的比色管(100ml)中,用双份试样,加入20ml10%(V/V)HNO3并用薄膜盖密。置于100℃水浴中加热3h,偶而旋转比色管。冷却并把浸煮...
Determination of Lead, Copper, and Mercury in Traditional Chinese Medicine by Dilute Acid Digestion Atomic Absorption Spectrometry Method: Grind the sample into a very uniform mixture, and weigh 3 g of the sample in a colorimetric colorimetric tube (100 ml). Add 20 ml of 10% (V/V) HNO3 and cover with a thin film. Place in a 100°C water bath and heat for 3h. Rotate the colorimetric tube occasionally. Cool and dip...