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小型阴离子交换柱分离—火焰原子吸收法测定铜精矿中微量金胡小云蔡泓宋武元(湛江商检局)一、引言在进出口铜精矿贸易中,含金量大于或等于1克/吨时,金为按量计价元素。但是,铜精矿中金的准确、快速测定是公认的难题。现行国标GB3884.13-86规定的火法试...
Small anion exchange column separation - Flame atomic absorption method for the determination of trace gold in copper concentrate Hu Xiaoyun Cai Hong Song Wuyuan (Zhanjiang Shangjian Ju) I. INTRODUCTION In the import and export of copper concentrate trade, the gold content greater than or equal to 1 g / ton, gold is By the amount of elements. However, the accurate and rapid determination of gold in copper concentrates is a recognized challenge. The current national standard GB3884.13-86 fire test ...