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neomjb

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[交流] 制备纳米颗粒溶胶时透明的,是没有还原得到么?

我用乙醇制备纳米Pt颗粒的时候,稳定剂加入量少的时候能看见灰色,当将稳定剂加多的时候就变成澄清溶液了,也不是之前加入氯铂酸的金黄色,这是怎么回事?

另外,制备得到的溶液一定要离心洗去Cl离子么?要是做TEM一类的表征,直接保留制备好的溶液行不行?
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