They also spoke about fertiliser and compared its ammonium nitrate content with sports injury cold packs.
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The Safe Explosives Act only requires that ammonium nitrate manufacturers submit samples upon request.
At the other Alstom, a French concern, has 18 months to test the ammonium-carbonate process.
This gene is the blueprint for an enzyme called urease, which converts urea into ammonium ions.
Forensic reports suggested substances used in the explosion had included RDX, ammonium nitrate and petroleum hydrocarbon, he added.
Amine- and ammonium-carbonate-based CCS are not, however, the only ways to do things.
Ammonium nitrate, a solid fertilizer composed of ammonia and nitrogen, is also a component of explosives widely used in mining.
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The blast ignited a fire on a second ship docked in Galveston Bay that was also loaded with ammonium nitrate.
The most common capture technologies involve running the gas to be processed through a solution of amines or ammonium carbonate.
Some of the food, together with large amounts of ammonium-rich salmon excreta, drops through the cages on to the sea bed.
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Reports in the media say that ammonium nitrate was used in the small bombs which had been placed in confectionery boxes.
All over the world, since the mid-20th Century, sediments have become measurably enriched in 'reactive' nitrogen - nitrogen oxides and ammonium compounds.
The state fire marshal's office had previously ruled out four potential causes: weather, natural causes, anhydrous ammonium and ammonium nitrate in a rail car.
The situation remains volatile because of an extremely dangerous substance, ammonium nitrate, found at the scene, said an official from the county sheriff's office.
It was Garcia who made the initial visit to Access in Hanwell to ascertain whether he could hire a unit to store the ammonium nitrate.
The area around the site of remains "very volatile" because of the presence of ammonium nitrate, according to Matt Cawthon, chief deputy sheriff of McLennan County.
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These creatures, now called anammox bacteria, transform caustic and hazardous ammonium into dinitrogen, the harmless nitrogen gas that makes up 78% of the air we breathe.
On Monday, the state fire marshal's office said it ruled out four potential causes: weather, natural causes, anhydrous ammonium, and ammonium nitrate in a rail car.
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On Monday, the state fire marshal's office said it had ruled out weather, other natural causes, anhydrous ammonium and ammonium nitrate in a rail car as possible causes.
"Anhydrous ammonia will burn but it is unusual for it to detonate, whereas ammonium nitrate has a track record of blowing up, " he told the BBC World Service.
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An expert on fertilisers at the University of London, Prof Andrea Sella, told the BBC it was possible that the highly explosive ammonium nitrate had also been stored on site.
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On 16 April, 1947, a fire on a ship loaded with ammonium nitrate set off a series of explosions in the port of Texas City, and fires that burned for days.
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"Anhydrous ammonia will burn but it is unusual for it to detonate, whereas ammonium nitrate has a track record of blowing up, " explained Prof Andrea Sella, a chemist at University College London.
Even the use of ammonium hydroxide can be a double-edged sword, since ammonia is perceived to be a noxious substance (although BPI effectively explains the benefits of the process on its website).
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The carbon-rich solution, meanwhile, is treated in a separate vessel to release its burden of CO2, which can then be piped away and stored, and the amines or ammonium carbonate thus liberated recycled.
Initial tests showed the device contained ammonium nitrate, the same volatile substance that sparked a massive explosion last month at a fertilizer distribution plant 110 miles north in West, Texas, said Austin fire Lt.
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General Barbero has worked hard with other federal agencies to curb the availability of ammonium-nitrate fertilizers made in Pakistan, since traces of the agricultural chemical have shown up repeatedly in the aftermath of Taliban bombings.
So by building up the concentration of ammonium ions inside its retaining membrane, H. pylori is able to fend off the destructive attentions of the hydrogen ions in stomach acid and thus live free from competition by less hardy germs.
The main reason people want to get hold of ammonium nitrate is for use in agriculture and to that end, says Mr Whitty, an "effective system" is in place for suppliers to inform the authorities of any irrregular and sudden inquiries about buying large amounts.
One of the worst disasters in U.S. history involving a form of ammonia occurred in April 1947 when a ship loaded with ammonium nitrate -- a solid fertlizer composed of ammonia and nitrogen -- caught fire while docked in Texas City, Texas, in April 1947.
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