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Hace 11 horas · Prussian blue or "ferric ferrocyanide", Fe 4 [Fe(CN) 6] 3, is an old and well-known iron-cyanide complex, extensively used as pigment and in several other applications. Its formation can be used as a simple wet chemistry test to distinguish between aqueous solutions of Fe 2+ and Fe 3+ as they react (respectively) with potassium ferricyanide and potassium ferrocyanide to form Prussian blue.
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Hace 11 horas · CANNES, France— Iranian director Mohammad Rasoulof recalled how he had to decide within hours whether to go into exile or serve a prison sentence, saying it was still difficult to talk about it during a press conference at the Cannes Film Festival on Saturday. Rasoulof was in the French Riviera town for the premiere of his new drama “The Seed of the Sacred Fig”, almost two weeks after ...
Hace 11 horas · Archived from the original on 30 October 2023. Retrieved 13 February 2024. ^ Howley, Daniel (8 November 2021). "Google hits $2 trillion market cap, joining ranks of Microsoft and Apple". Yahoo! Finance. Archived from the original on 8 November 2021. Retrieved 8 November 2021. ^ Vlastelica, Ryan (26 April 2024).
