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C287L Lab 5 Au Nanoparticle Synthesis

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Uploaded by on Oct 29, 2009

Film taken by Josephine Chang.
Uploaded by Yi-wei Huang.

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Science & Technology

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Standard YouTube License

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  • @micidragan So in the round bottom flask they have Gold Chloride ion solution in water (appearing yellowish) which contains the AuCl4- . They then injected a reducing agent which i believe to be trisodium citrate, which will reduce the gold chloride to gold metal. The citrate ions will act as a surfactant which will stabilise the gold colloid so that they will not aggregate to form large gold pieces but stay nanosize instead.

  • Can you explain what you did?

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