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- 30/09/2004
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Get PDF以氯钯酸为钯源 ,正硅酸乙酯 (TEOS)为硅源 ,利用十六烷基三甲基溴化铵 (CTAB) /正己醇 /水构成的微乳体系制备了二氧化硅包裹纳米金属Pd粒子 .其中Pd的粒径可在 5~ 3 0nm调变 ,外部SiO2 层的厚度可在 5~ 3 5nm调变 .详细考察了氯钯酸和正硅酸乙酯的浓度、微乳体系中水和正己醇的量等参数对制备的Pd/SiO2 粒子的大小及形态的影响
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Get PDF本文提供了金属固体样品的流动在线电解方法。电解得到的样品溶液可以直接送往原子光谱仪器进行检测。研究了电解条件对信号峰的影响,并对铝合金样品中的少量镁进行了在线电解—火焰原子吸收及ICP-原子发射光谱测定。方法快速简便,每个样品的分析工作可在数分钟内完成
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