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聚胺脂泡沫塑料在酸性介质中具有对金的吸附率高、稳定性好的特点,已成为室内富集游离金的重要方法之一。近几年来,作者根据金矿体上部土壤和正常土壤中游离金的差异,初步试验成功了在野外现场用泡沫塑料吸附找金的新方法。该方法简单易行,成本低,是一种直接找金的方法。文中重点介绍了在已知金矿床上的试验结果。
Polyurethane foam has the characteristics of high adsorption rate of gold and good stability in acidic medium, and has become one of the important methods for enriching free gold indoors. In recent years, according to the difference between the free gold in the upper part of the gold ore body and the normal soil, the author succeeded in the preliminary experiment to successfully find a new method of absorbing gold by using the foam plastic in the field. The method is simple and easy, low cost, is a direct way to find gold. The paper focuses on the experimental results of known gold deposits.