The total copper in standard sample and surface water was determined by extraction enrichment flame AAS (enriched for 20 time) and graphite furnace AAS, respectively.

• 作者分别采用萃取浓缩火焰原子吸收分光光度法(浓缩20倍)和石墨炉原子吸收分光光度法测定标准样品和地表水中的总铜,并进行了对比分析。