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本文提出在近中性介质中,以硫脲为络合剂测定岩矿中银的新方法.样品用酸处理,蒸干后加入硫脲络合剂,使用乙炔—空气火焰测定银.测定范围0.×～×××g/T.
In this paper, we propose a new method for the determination of silver in rock ore using thiourea as complexing agent in near-neutral medium.The sample is treated with acid, and after addition of thiourea complexing agent after evaporation to dryness, the silver is measured with acetylene-air flame. × × × × g / T.