| 1. | Pure ammonium nitrate can still be legally purchased with few restrictions.
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| 2. | Prosecutors said ammonium nitrate was also used to make the bomb.
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| 3. | "We've been around ammonium nitrate for years.
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| 4. | Ammonium nitrate : Fast-acting nitrogen source, slightly acidifying.
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| 5. | Ammonium sulfate : Fast-acting nitrogen source for alkaline soils.
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| 6. | The receipt also shows the ammonium nitrate was bought in Kansas.
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| 7. | Police said ammonium nitrate had been used in making the bombs.
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| 8. | Mining and construction firms also use ammonium nitrate-based explosives.
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| 9. | From this mixture, the lithium was precipitated by ammonium carbonate.
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| 10. | Hydrogen is used to reduce ammonium ruthenium chloride yielding a powder.
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