摘要
矿石先破碎再经棒磨机打磨成样品,然后,焙烧除硫及有机质,再用王水分解。样品中的Au在20%王水介质中被动态的泡塑吸附富集,泡塑洗净后在沸水浴中用1%的硫脲溶液解脱(Au)后,Au试样溶液用火焰原子吸收法直接快速测定。文章就该方法测定Au在实际生产中的应用进行简述。
Abstract：Ore is crushed to pieces and then polished to be samples with a rod mill.To get rid of sulphur and organic matter, samples are roasted and decomposed with aqua regia.Gold in 20% aqua regia medium is absorbed by dynamic polyurethane foam.After being cleaned, polyurethane foam in boiling water is disentangled with 1% thiourea.And then, the dissolved gold is directly determined by flame atomic absorption spectrometry.According to this method, the article will talk briefly about the application in actual production of determination of gold in ore.
出处
《企业技术开发》
2015年第6期68-69,共2页
Technological Development of Enterprise
关键词
泡塑吸附富集
硫脲解脱
AU
火焰原子吸收光谱法
polyurethane foam concentration
thiourea disentangling
gold
flame atomic absorption spectrometry
