EXPLOSIVO ANFO PDF

EXPLOSIVO ANFO PDF

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Blasting-grade AN prills are typically between 0. In an ideal stoichiometrically balanced reaction, ANFO is composed of about Can be used as a column charge in open-pits, underground, in quarries and for general blasting work.

The Shijiazhuang bombings Chinese: Retrieved from ” https: Principles and Practices of Modern Coal Mining. In many countries, its purchase and use are restricted to buyers who have obtained the proper license.

The balanced anfl is as follows:. AN is highly hygroscopicreadily absorbing water from air. It is composed of a mixture of ammonium nitrate and petroleum, correctly balanced in oxygen, and also contains anti-static additives, which permit pneumatic loading. Please help improve this section by adding citations to reliable sources.

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A total of people were killed, and 38 others injured when, within a short time, several ANFO bombs exploded near four apartment buildings. While many fuels can theoretically be used, the low volatility and cost of diesel make it ideal.

ANFO is a tertiary explosivemeaning that it cannot be set off by exploskvo small quantity of primary explosive in a typical blasting cap. CS1 Chinese-language sources zh All articles with dead external links Articles with dead external links from September Articles with permanently dead external links Anof Norwegian-language sources no Articles needing additional references from November All articles needing additional references Use dmy dates from April All articles with unsourced statements Articles with unsourced statements from September Articles needing additional references anco October Commons category link from Wikidata.

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In most jurisdictions, ammonium nitrate need not be classified as an explosive for transport purposes; it is merely an oxidizer.

Its name is commonly pronounced as “an-fo”. Unsourced material may be challenged and removed. November Learn how and when to remove this template message. Unmixed ammonium nitrate can decompose explosively and has been responsible for several industrial disasters, including the Oppau explosion in Germany, the Texas City disaster in Texas City, Texasthe Ryongchon disaster in North Koreaand the West Fertilizer Company explosion in West, Texas.

In surface mining applications, it is typically augured into boreholes by dedicated trucks that mix the AN and FO components immediately before the product is dispensed.

The use of ANFO originated in the s.

Retrieved March 3, Therefore, since their delivery to the buyers, the manufacturer is not liable for its safety or for the exploeivo of the desired results, be they explicit or implicit.

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Archived from the original on 7 June This page was last edited on 1 Decemberat ANNM usually contains a The material was believed to be linked to attacks previously carried out by the “Revolutionary Struggle” terrorist group.

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Retrieved 28 July Views Read Edit View history. Their lower density is due to the presence of a small spherical air pocket within each prill: ANFO has found wide use in coal miningquarryingmetal miningand civil construction in applications where its low cost and ease of use may outweigh the benefits of other explosives, such as water resistance, oxygen balance, higher detonation velocity, or performance in small-diameter columns.

The relative effectiveness factor of ANNM varies depending on the mix, but does not exceed edplosivo. October Learn how and when to remove this template message.

The press and other media have used the term ANFO loosely and imprecisely in describing improvised explosive devices IEDsin cases of fertilizer bombs see Malicious use below. This section does not cite any sources. Other explosives based on the ANFO chemistry exist; the most commonly used are emulsions.