According to the Cd-Sb alloy phase diagram, resistivity, heat capacity, partial molar entropy and viscosity,the structural units of this alloy melt have been determined as Cd and Sb atoms as well as Cd3Sb2, Cd4Sb3 and...According to the Cd-Sb alloy phase diagram, resistivity, heat capacity, partial molar entropy and viscosity,the structural units of this alloy melt have been determined as Cd and Sb atoms as well as Cd3Sb2, Cd4Sb3 and CdSb compounds.Based on these structural units and the coexistence theory of metallic melt structure involing compound formation,a calculating model of mass action concentrations has been deduced.The calculated mass action concentrations Ncd are in good agreement with measured activities acd. The Gibbs standard free energy of formatioin for above three compunds have been obtained too.展开更多
目的：建立微波消解电感耦合等离子体质谱测定人血白蛋白中痕量元素的方法。方法：人血白蛋白经过微波消解,并对电感耦合等离子体质谱仪器工作参数进行优化,采用标准模式和动能歧视模式同时对Cr、Mn、Fe、Co、Ni、Cu、Zn、Ag、Cd、Sb、C...目的：建立微波消解电感耦合等离子体质谱测定人血白蛋白中痕量元素的方法。方法：人血白蛋白经过微波消解,并对电感耦合等离子体质谱仪器工作参数进行优化,采用标准模式和动能歧视模式同时对Cr、Mn、Fe、Co、Ni、Cu、Zn、Ag、Cd、Sb、Cs、Ba、Tl、Pb 14种元素进行检测,RF功率1.4 k W,载气流速1.07 m L·min-1,辅助气流速1.20 m L·min-1,同心雾化器,蠕动泵转速40 r·min-1。采用混合内标（74Ge、103Rh、115In、175Lu、209Bi）进行校正。结果：痕量元素的检测限为0.01-0.21μg·L-1,方法精密度为0.1%-5.5%,准确度为81.9%-116.8%,回收率为96.0%-113.0%。用该方法对国家标准物质头发成分GBW07601（GSH-1）进行分析测定,各微量元素测定值在标准值的范围内。结论：本方法适用于人血白蛋白中痕量元素的测定。展开更多
文摘According to the Cd-Sb alloy phase diagram, resistivity, heat capacity, partial molar entropy and viscosity,the structural units of this alloy melt have been determined as Cd and Sb atoms as well as Cd3Sb2, Cd4Sb3 and CdSb compounds.Based on these structural units and the coexistence theory of metallic melt structure involing compound formation,a calculating model of mass action concentrations has been deduced.The calculated mass action concentrations Ncd are in good agreement with measured activities acd. The Gibbs standard free energy of formatioin for above three compunds have been obtained too.
文摘目的：建立微波消解电感耦合等离子体质谱测定人血白蛋白中痕量元素的方法。方法：人血白蛋白经过微波消解,并对电感耦合等离子体质谱仪器工作参数进行优化,采用标准模式和动能歧视模式同时对Cr、Mn、Fe、Co、Ni、Cu、Zn、Ag、Cd、Sb、Cs、Ba、Tl、Pb 14种元素进行检测,RF功率1.4 k W,载气流速1.07 m L·min-1,辅助气流速1.20 m L·min-1,同心雾化器,蠕动泵转速40 r·min-1。采用混合内标（74Ge、103Rh、115In、175Lu、209Bi）进行校正。结果：痕量元素的检测限为0.01-0.21μg·L-1,方法精密度为0.1%-5.5%,准确度为81.9%-116.8%,回收率为96.0%-113.0%。用该方法对国家标准物质头发成分GBW07601（GSH-1）进行分析测定,各微量元素测定值在标准值的范围内。结论：本方法适用于人血白蛋白中痕量元素的测定。
