摘要
报道了在室温下钾与负氢混合物中钾钙发生嬗变的现象,负氢是由NaBH_4、 LiBH_4和NH_3BH_3提供的.实验中的钾和钙的浓度分别用诱导耦合等离子发射光谱法(ICP-OES)和诱导耦合等离子质谱法(ICP-MS)进行检测. ICP-OES结果表明随着混合物中钾浓度的降低伴随着钙的浓度增加.此外ICP-MS结果还表明~(40)Ca浓度的增加伴随着~(41)K浓度的增加,可能表明在负氢存在的条件下混合物中~(40)Ca的生成与~(41)K物种有关.
Here, we report the transmutation of K-Ca under the negative hydrogen condition(NaBH_4, LiBH_4 and NH_3BH_3) at room temperature. In all reaction systems, the amount of K~+ and Ca~(2+) concentrations were monitored by inductive coupled plasma optical emission spectroscopy(ICP-OES) and inductive coupled plasma mass spectrometry(ICP-MS) techniques. The ICP-OES test results showed that K~+ concentration was gradually decreasing, while the Ca~(2+) concentration was gradually increasing. In addition, by comparing the K and Ca concentrations and their isotopes from the ICP-MS results, we found the increase of ~(40)Ca concentration accompanied by the increasing concentration of ~(41)K in the presence of hydride under our "reaction" conditions, which implying ~(40)Ca formation correlated to ~(41)K.
引文
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