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.
