This paper has researched extraction and enrichment of Cu2+ through APDC+DDTC-MIBK at acidic condition and the determination of trace copper in carbonated beverage by GFAAS.

• 研究在酸性条件下用吡咯烷二硫代甲酸铵和二乙氨基二硫代甲酸钠及甲基异丁酮(APDC+DDTC-MIBK)体系萃取富集碳酸饮料消化液中铜离子,再用石墨炉原子吸收法测定铜离子含量的检测方法。