A video clip made in 2007.....dry ice reacting with a few drops of - TopicsExpress

A video clip made in 2007.....dry ice reacting with a few drops of solution with pH Universal indicator under the stereomicroscope, 10x...The perfect heart.....I made lots of chemical patterns from it, combined with the Art of Poen de Wijs....the bubbles are from the sublimation of dry ice, and the red colour indicates the aqueous solution is acid. Perfeito coração....a reação de gelo seco a -78ºC com algumas gotas de solução de indicador universal de pH. Basta adicionar o líquido, forma-se o ácido carbónico que imediatamente se decompõe libertando o dióxido de carbono gasoso com imensas bolhas a formarem-se....a cor vermelha resulta da acidez do meio....fiz imensos padrões a partir desta reação...a ampliação da lupa estereoscópica é de 10x.....

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