研究了深穿透地球化学样品中活动态金的提取条件，实验了提取剂的选择、提取固液比、提取时间、提取液pH值、提取时温度对活动态金提取效果的影响。使用金活动态提取剂对样品进行动静态提取后，用超低灰分活性炭吸附Au，灰化后用王水溶解，采用石墨炉原子吸收法测定。该方法检出限为0．05 ng/g。通过在新疆干旱荒漠戈壁金窝子隐伏金矿实验区的应用实践表明，所圈定的异常与实际矿体位置相符。
@@@@The leaching conditions for determination of mobile forms gold in deep-penetrating geochemical sam-ples were studied in this paper.Experiments parameter studied the influence these parameters have on the dynamic ex-traction effect of gold including the selection of extraction agent experiment ,solid-liquid mixing ratio,extraction time, pH and extraction temperature.After using Mobile Forms Gold extraction agent for dynamic and static extraction from samples,ultra low ash activated carbon is used for the adsorption of Au .After ashing,the gold is dissolved by pure aqua-regia,and determined by GF-AAS with detection limit of 0.05 ng/g.The method was applied in one buried gold deposit in Xinjiang and the results show that the delineated anomalies are consistent with the actual ore bodies .
参考文献
| [1] | 谢学锦,王学求.深穿透地球化学新进展[J].地学前缘,2003(01):225-238. |
| [2] | Kristiansson K;Malmqvist L;Persson W .Geogas prospecting:a new tool in the search for concealed mineralizations[J].ENDEAVOUR,1990,14(01):28-33. |
| [3] | Malmqvist L;Kristiansson K .Experiment evidence for an ascending micro-flow of geogas in the ground[J].Earth and Planetary Science Letters,1984,70:407-416. |
| [4] | 赵伟,王玉林,钟莅湘,温婷婷,孙爱琴.土壤样品中贵金属活动态提取技术[J].岩矿测试,2010(03):212-216. |
| [5] | 王亚平,黄毅,王苏明,许春雪,刘妹.土壤和沉积物中元素的化学形态及其顺序提取法[J].地质通报,2005(08):728-734. |
| [6] | 任天祥;刘应汉;汪明启.纳米科学与隐伏矿藏---一种寻找隐伏矿的新方法、新技术[J].科技导报,1995(08):18-19. |
| [7] | 孙剑,陈岳龙,李大鹏.隐伏矿床勘查地球化学新进展[J].地球科学进展,2011(08):822-836. |
| [8] | 藏吉良,丁春霞,尚宝忠,吴建政,赵伟,张帆,王筱丽,孙爱琴.深穿透地球化学样品中铜活动态提取条件研究与初步应用[J].岩矿测试,2012(04):607-612. |
| [9] | 杨守渠,乔刚,李萍,袁文婷,张炳顺,郭建勇.物探在豫西隐伏金矿找矿中的应用[J].物探与化探,2011(04):455-460. |
| [10] | 徐进力,邢夏,张勤,白金峰.电感耦合等离子体发射光谱法直接测定铜矿石中银铜铅锌[J].岩矿测试,2010(04):377-382. |
| [11] | 王洪波,王勇.聚乙二醇快速澄清原子吸收分光光度法连续测定矿石中铜铅锌[J].岩矿测试,2007(02):167-168. |
| [12] | 闫红岭,李振,刘军,高志军.湿法分解-等离子体质谱测定区域地球化学调查样品中金、铂、钯[J].黄金,2011(08):61-64. |
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