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This page contains instructions involving gunpowder or other explosive or pyrotechnic compositions. Preparing explosives as described has caused severe injuries and deaths, and is illegal in most places.
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Home › Pyrotechny › Fulminating Copper
Fulminating Copper
Digest copper, in powder or filings, with fulminate of mercury or of silver, and a little water. It forms soluble green crystals that explode with a green flame.