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Fulminating gold information


Fulminating gold is a light- and shock-sensitive yellow to yellow-orange amorphous heterogeneous mixture of different polymeric compounds of predominantly gold(III), ammonia, and chlorine that cannot be described by a chemical formula. Here, "fulminating" has its oldest meaning, "explosive" (from Latin fulmen, lightning, from verb fulgeo, 'I shine'); the material contains no fulminate ions. The best approximate description is that it is the product of partial hydrolysis of . Upon combustion, it produces a purple vapor. The complex has a square planar molecular geometry with a low spin state.[1]

Generally, it is best to avoid accidentally creating this substance by mixing gold(III) chloride or hydroxide salts with ammonia gas or ammonium salts, as it is prone to explosion with even the slightest touch.[2]

  1. ^ Steinhauser, Georg; Evers, Jurgen; Jakob, Stefanie; Klapotke, Thomas; Oehlinger, Gilber (2008). "A review on fulminating gold (Knallgold)". Gold Bulletin. 41 (4): 316. doi:10.1007/BF03214888. S2CID 36672580.
  2. ^ Fisher, Janet (2003). "Fulminating Gold". Gold Bulletin. 36 (4): 155. doi:10.1007/bf03215508.

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Fulminating gold

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on fulminating gold (Knallgold)". Gold Bulletin. 41 (4): 316. doi:10.1007/BF03214888. S2CID 36672580. Fisher, Janet (2003). "Fulminating Gold". Gold Bulletin...

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List of alchemical substances

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Very explosive when dry. Fulminating gold – a number of gold based explosives which "fulminate", or detonate easily. – gold hydrazide, formed by adding...

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Nitratoauric acid

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of chloroauric acid. The hydrolysis of this compound produces fulminating gold. "Gold Nitrate". ESPI Metals. Oliver Büchner; Mathias S. Wickleder (2004)...

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Explosive

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Azoclathrates Benzvalene Chlorine oxides DMAPP Fluorine perchlorate Fulminating gold Fulminating silver (several substances) Hexafluoroantimonate Hexafluoroarsenate...

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Cornelis Drebbel

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naval mines, detonators that used glass Batavian tears, and worked on fulminating gold (aurum fulminans) as an explosive. He was known for his Perpetuum Mobile...

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Carl Wilhelm Scheele

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Rhubarb-earth [see 29] in various Plants Preparation of Magnesia alba Fulminating Gold. Corn oil [ Fusel oil ]. Calomel Air-acid Lead amalgam Vinegar-naphtha...

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Silver nitride

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Silver nitride was formerly referred to as fulminating silver, but this can cause confusion with silver fulminate or silver azide, other compounds which have...

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Silver

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alloy with gold and other metals, and in minerals such as argentite and chlorargyrite. Most silver is produced as a byproduct of copper, gold, lead, and...

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Pseudohalogen

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silver such as silver cyanide (AgCN), silver cyanate (AgOCN), silver fulminate (AgCNO), silver thiocyanate (AgSCN) and silver azide (AgN3). A common...

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List of CAS numbers by chemical compound

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silver nitrate 7761–88–8 AgO silver(I,III) oxide 1301–96–8 AgONC silver fulminate 5610–59–3 AgPF6 silver hexafluorophosphate 26042–63–7 AgReO4 silver perrhenate...

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nitroglycerin, using a blasting cap made of a copper percussion cap and mercury fulminate. In 1864, Alfred Nobel filed patents for both the blasting cap and his...

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and dissolve the bathroom floor below it? Can a chunk of solid mercury fulminate thrown on the ground explode, kill or injure bystanders, and break nearby...

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contemporary for some tastes," but allowed "great fun to watch as he fumes and fulminates." In 2005, Hawke starred in the Off-Broadway revival of David Rabe's dark...

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Glossary of chemical formulae

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silver perchlorate 7783-93-9 AgCN silver cyanide 506-64-9 AgCNO silver fulminate 5610-59-3 AgF silver fluoride 7775-41-9 AgF2 silver(II) fluoride 7783-95-1...

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Copley Medal

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grant of five pounds (roughly equivalent to £986 in 2023) be converted to a gold medal "of the same Value, with the Arms of the Society impress’d on it,"...

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Lead styphnate

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other metals and is less sensitive to shock and friction than mercury fulminate or lead azide. It is stable in storage, even at elevated temperatures...

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Red mercury

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and mercury(II) iodide, and others are explosive, such as mercury(II) fulminate. No use for any of these compounds in nuclear weapons has been publicly...

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Necrotizing fasciitis

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phagedena", "gangrenous ulcer", "malignant ulcer", "putrid ulcer", "fulminating gangrene", "necrotizing erysipelas", "gangrenous erysipelas", "crepitant...

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El filibusterismo

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attempts to raise the wick, a mechanism hidden within the lamp containing fulminated mercury will detonate, igniting the lamp which is actually filled with...

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Silver nitrate

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nitrate is used to prepare some silver-based explosives, such as the fulminate, azide, or acetylide, through a precipitation reaction. Treatment of silver...

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Structural isomer

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same total charge. A classical example is the cyanate ion O=C=N− and the fulminate ion C−≡N+−O−. It is also extended to ionic compounds, so that (for example)...

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Nitrile

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hydrogen in the case of fulminic acid H−C≡N+−O−, or halogen, e.g., chlorine fulminate Cl−C≡N+−O−). They and are used in 1,3-dipolar cycloadditions.: 1187–1192 ...

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