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[Determination of lead and arsenic in copper aspirinate by graphite furnace atomic absorption spectrometry].

作者信息

Qiu H, Liu J

机构信息

Kunming Instiute of Precious Metals, 650221 Kunming.

出版信息

Guang Pu Xue Yu Guang Pu Fen Xi. 2001 Aug;21(4):555-7.

PMID:12945292
Abstract

A graphite furnace atomic absorption spectrometric method has been established to determine trace lead and arsenic in copper aspirinate, a new anti-inflammatory and anti-thrombotic agent. The sample is pretreated by ashing at 530 degrees C in the presence of Ni (NO3)2, followed by dissolution with HNO3. The method is simple and has a low detection limit. The relative standard deviation is 11%-15%, the recovery is 92%-112% for lead and 86%-119% for arsenic.

摘要

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