| 1. | In this historical process, potassium cyanide was produced by decomposing potassium ferrocyanide:
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| 2. | Potassium ferrocyanide is a compound that includes small quantities of cyanide, a deadly poison.
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| 3. | Potassium ferrocyanide contains small quantities of cyanide, a deadly poison.
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| 4. | But defense lawyer Domenico Martelli argued that the compound _ potassium ferrocyanide _ is harmless.
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| 5. | The substance, potassium ferrocyanide, is not in itself dangerous, and is commonly used in gardening.
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| 6. | In addition, it can be produced by reacting mercuric sulfate with potassium ferrocyanide in water:
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| 7. | Potassium ferrocyanide contains small quantities of deadly cyanide.
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| 8. | They alleged that the chemical compound _ potassium ferrocyanide _ was harmless in the quantities seized.
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| 9. | Chief Prosecutor Salvatore Vecchione said the substance, which was undergoing analysis, appeared to be potassium ferrocyanide.
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| 10. | Officials have said, however, that the substance _ potassium ferrocyanide _ didn't have enough cyanide to cause major damage.
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