Brass analysis

Brass analysis

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Caption: Brass analysis. Image 3 of 7. Potassium iodide was mixed with the copper nitrate solution, which was formed when brass was added to nitric acid. This results in iodine and a white copper (I) iodide precipitate: 2Cu2+ + 4I- -> 2CuI + I2. The stages in the process of determining the copper composition in brass are shown in images A500/566- A500/572.

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Keywords: brass, chemical, chemistry, copper, copper nitrate, inorganic chemistry, laboratory, potassium iodide, precipitate, quantitative analysis, quantitive analysis

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