Detonator
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A detonator or blasting cap is a small explosive device or small quantity of explosive, which can be combined with a fuse, used for detonating a larger charge of high explosive. Detonators come in a v
Top: small nonel detonator with 2 ms delay for chaining nonel tubes; middle: class B SPD detonator; bottom: class C SPD detonator
Inserting detonators into blocks of C-4 explosive
Mercury(II) fulminate
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Mercury fulminate is an explosive with the chemical formula Hg2. When recrystallized from water it exists as the hemihydrate 2 Hg2·H2O. The anhydrous form is obtained by recrystallization from ethanol
Detonator
…voltage) or explosive foil (very high voltage). The original electric detonators invented in 1875 independently by Julius Smith and Perry Gardiner used mercury fulminate as the primary explosive. Around the turn of the century performance was enhanced in the Smith-Gardiner blasting cap by the addition of 10–20% potassium…
Mercuryfulminate puryfied