There are few things in life better than listening to a researcher explain how they made their latest discovery. Tannerite is a brand of binary explosive targets used for firearms practice and sold in kit form. By the time the wildfire was mostly contained one week later, it had jumped over the Santa Rita Mountains and crossed State Route 83, spreading into the historic Empire Ranch and the surrounding 42,000-acre (17,000 ha) Las Cienegas National Conservation Area. ANFO (or AN/FO, for ammonium nitrate/fuel oil) is a widely used bulk industrial explosive.Its name is commonly pronounced as "an-fo". (Photo by Stephanie Keith/Getty Images), EY & Citi On The Importance Of Resilience And Innovation, Impact 50: Investors Seeking Profit — And Pushing For Change, Michigan Economic Development Corporation BrandVoice. , Various regulations also govern the storage of unmixed explosives. , Bureau of Alcohol, Tobacco, Firearms and Explosives, September 2016 New York and New Jersey bombings, "The Science Of Tannerite, The Explosive Possibly Used In The Chelsea Bombs". April 2020 um 11:12 Uhr bearbeitet. At the time, winds were gusting up to 40 miles (64 km) per hour and the National Weather Service had issued a fire watch in the area. Der Ladeschlauch wird bis ins Bohrlochtiefste eingeführt, und der Druckluftstrom reißt das ANO aus dem Trichter mit sich. Die Detonationsgeschwindigkeit von ANC-Sprengstoffen beträgt je nach Einschlussbedingung 2500 bis 3500 m/s. Like all explosive reactions, it works because the products are more stable than the starting components. Until now, Tannerite has mostly been known to target shooters. Opinions expressed by Forbes Contributors are their own. A burning fuse, an electrical current, a hammer blow; none of those will work, according to him. Nach demselben Prinzip, nur in größerem Maßstab, funktionieren Ladefahrzeuge, die hauptsächlich im Tunnelbau und Kalibergbau eingesetzt werden. Explosives use nitrogen-containing compounds like ammonium nitrate because they produce nitrogen gas. Kleinkalibrige untertägige Bohrlöcher werden mit speziellen Ladegeräten mit ANO geladen. ANC-Sprengstoffe sind wasserlöslich. The combination is relatively stable when subjected to forces less severe than a high-velocity bullet impact. Steve Yerger, the company investigator, says he has not been able to confirm with the FBI or other law enforcement agencies that Tannerite was in fact found in the New York bombs. Terroristen verwendeten ANC-Sprengstoffe für Anschläge, allerdings wird die Wirkungskraft kommerziell hergestellter ANC-Sprengstoffe nicht erreicht. The bomb that exploded Saturday in New York City used an explosive called Tannerite, according to news reports. Organische Substanz abgeleitet. It was used in the 1995 Oklahoma City bombing and was the cause of an accidental explosion in 2013 in West, Texas that killed 15 people. A chemical explosive has two fundamental components: a fuel and an oxidizer. That has included everything from cyborg bugs to shouting matches in Congress. The package includes two containers. The estimated damage caused by the blaze was $8.19 million. “That’s in keeping with a lot of explosive materials,” says Dave Welch, a senior explosives expert at Ramora UK, which does bomb disposal. The oxidizer provides the oxygen atoms the fuel needs in order to react. We'll need more information from law enforcement agencies before we know what happened in Chelsea. Binary explosives like Tannerite are also used in some business applications, including commercial blasting, product testing, and special effects. ANO ist von Ammoniumnitrat und C für Kohlenstoff-Verbindung bzw. He also was ordered to pay restitution, with an initial payment of $100,000 (taken from his retirement fund) and monthly payments of $500 per month thereafter for 20 years unless his income changes significantly. It can be. Binary explosives do have an inherent degree of safety, in that they aren’t explosive until the two parts are mixed. , For safety reasons, Tannerite Sports recommends using no more than 1 pound (0.45 kg) of the mixed composition at once, and will sell its largest targets with a size of 2 pounds (0.91 kg) to professionals only.. The explosive noise caused numerous phone calls to the Chautauqua County Sheriff's Office, the New York State Police, and other law enforcement in the area..  In California in particular, a permit may be required to use or possess the product. As oxidizers and combustibles, the unmixed components still have some shipping restrictions in the United States. As an independent journalist, I write about what's happening in chemistry (and the rest of science) and what it all means. In the case of Tannerite or ammonal, the reaction also produces a gas, whose expansion in a sealed container adds to the explosive power of a bomb. Because the two components aren’t themselves explosive, the Federal government doesn’t regulate Tannerite like it does black powder or TNT. The original patent for Tannerite describes a mixture of ammonium nitrate, ammonium perchlorate and powdered aluminum and a few minor ingredients. That makes it more obvious—and more exciting—when you hit the target than, say, shooting a piece of paper. First, to be clear, the name Tannerite is appearing in news stories attributed to unnamed law enforcement sources. Correction: This post has been updated with information from the Tannerite company about the product's formula. Homemade Tannerite is simply 100 grams Ammonium Nitrate mixed with 5 grams Aluminum Powder. There have been no reports that a gunshot was used to trigger the bomb that exploded in New York on Saturday. Binary explosives are two-part mixtures of components that aren’t … Ammonium nitrate had figured in high-profile explosions before. Where have I heard that name before? My work has appeared in Chemical & Engineering News, Slate and on YouTube. There are other ways to detonate an aluminum oxide and ammonium nitrate bomb though. Detonation velocity is the speed with which the detonation shock wave travels through the explosive. What Yerger says is entirely plausible. Bei Durchfeuchtung ist eine stabile Detonationsübertragung nicht mehr gewährleistet. Tannerite targets are sold in pre-sized quantities. Because it is sold as two separate components, it can be transported and sold in many places without the legal restrictions that would otherwise apply to explosives. The targets comprise a combination of oxidizers and a fuel, primarily aluminium powder, that is supplied as two separate components that are mixed by the user.The combination is relatively stable when subjected to forces less severe than a high-velocity bullet impact. Generic mixtures of ammonium nitrate and powdered aluminum, sometimes called ammonal, are sometimes also called Tannerite, like calling all facial tissues Kleenexes. Das gemischte ANO wird in einen Trichter eingefüllt, an dem ein Druckluftschlauch und ein Ladeschlauch befestigt sind. Werner Schröter, Karl-Heinz Lautenschläger, Hildegard Bibrack: Diese Seite wurde zuletzt am 30. In Tannerite or TNT, the formation of nitrogen gas is one source of their explosive energy. Richtlinie für den Umgang mit Sprengmitteln im Bergaufsichtsbereich, Tagungsband - 21. As an independent journalist, I write about what's…. , In the United States, the Bureau of Alcohol, Tobacco, Firearms and Explosives advises: "Persons manufacturing explosives for their own personal, non-business use only (e.g., personal target practice) are not required to have a Federal explosives license or permit. Nitrogen gas, which makes up almost 80% of our atmosphere, is two nitrogen atoms joined by a triple bond.
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