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Christopher Hardy
Chemistry
3 June, 21:40
What is fry's reagent used for?
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Heidi Mitchell
3 June, 21:50
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Fry's Reagent a chemical used on metals such as firearms, it corrodes them and allows you to see the etching that could have been scratched off by the criminal, such as the serial number of the gun. It is a chemical that can restore a serial number that has been removed from a gun by dissolving the area that has been flattened when the number was stamped on.
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