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gold 3 nitrate is an insoluble gold compound that forms a yellow trihydrate, HAu(NO3)3H2O. It is also known as nitratoauric acid or aurinitric acid and is used as a precursor for USP synthesis of gold nanoparticles. American Elements manufactures gold 3 nitrate to many standard grades when applicable, including Mil Spec (military grade), ACS, Reagent and Technical Grade, Food, Agricultural and Pharmaceutical Grade, Optical Grade, and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and meets applicable ASTM testing standards. It is also available in Ultrapure, Submicron and Nanopowder form.

Inhalation exposure may cause irritation of the skin and eyes. Gold compounds are poorly absorbed when ingested but prolonged exposure in parenteral administration can produce toxicity, including methemoglobinemia, anemia and damage to blood vessels, kidneys, liver and lungs. Ingestion of gold salts is associated with gastrointestinal symptoms, such as nausea and vomiting.

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