A simple rapid and sensitive method for detecting gold was described. It is based on the adsorption of gold with polyacrylamide to form a colou- red spot in the presence of TMK reagent. The intensity of the colour is directly proportional to the concentration of gold over the range of 0.1- 5.0 µg.
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张宗久, 1985. 野外快速鉴定金[J]. 岩石矿物学杂志, 4(1):76~77. , 1985. Field Rapid Detection of Gold[J]. Acta Petrologica et Mineralogica, 4(1): 76~77.
