Fragile Fern – Cystopteris fragilis

by | Dec 9, 2023 | Ferns, NE Native Ferns

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Gold(III) acetate, also known as auric acetate, is a chemical compound of gold and acetic acid. It is a yellow solid that decomposes at 170 °C to gold metal. This decomposition of gold(III) acetate has been studied as a pathway to produce gold nanoparticles as catalysts.[3]

Production and reactions

Gold(III) acetate can be produced by the reaction of gold(III) hydroxide and glacial acetic acid:[4]

Au(OH)3 + 3CH3COOH → Au(CH3COO)3 + 3H2O

It reacts with 2-(p-tolyl)pyridine (tpy) in presence of trifluoroacetic acid to form Au(CF3COO)2(tpy).[5]

Gold(III) sulfide has been claimed as the product when gold(III) acetate is sonicated with cyclo-octasulfur in decalin.[6]

References

  1. ^ Hiroaki Sakurai; Kenji Koga; Yasuo Iizuka; Masato Kiuchi (2013). "Colorless alkaline solution of chloride-free gold acetate for impregnation: An innovative method for preparing highly active Au nanoparticles catalyst". Applied Catalysis A: General. 462: 236–246. doi:10.1016/j.apcata.2013.05.016.
  2. ^ S. Bakrania; G. Rathore; Margaret Wooldridge (2008). "An investigation of the thermal decomposition of gold acetate". Journal of Thermal Analysis and Calorimetry. 95 (1): 117–122. doi:10.1007/s10973-008-9173-1. S2CID 22343912.
  3. ^ H.-S. Oh; J.H. Yang; C.K. Costello; Y.M. Wang; S.R. Bare; H.H. Kung; M.C. Kung (2002). "Selective Catalytic Oxidation of CO: Effect of Chloride on Supported Au Catalysts". Journal of Catalysis. 210 (2): 375–386. doi:10.1006/jcat.2002.3710.
  4. ^ Metal Finishing. the University of Michigan: Metals and Plastics Publications. 1940. p. 104. Retrieved 11 May 2023.
  5. ^ Langseth, E.; Görbitz, C.H.; Heyn, R.H.; Tilset, M. (2012). "Versatile methods for preparation of new cyclometalated gold(III) complexes". Organometallics. 31 (18): 6567–6571. doi:10.1021/om300537a. hdl:10852/40504.
  6. ^ Kristl, M.; Drofenik, M. (2003). "Preparation of Au2S3 and nanocrystalline gold by sonochemical method". Inorganic Chemistry Communications. 6 (12): 1419–1422. doi:10.1016/j.inoche.2003.08.027.
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