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45 Current news about the topic decomposition

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MIT replaces chrome coatings with safer metal alloys

27-May-2009

Ever since the 1940s, chrome has been used to add a protective coating and shiny luster to a wide range of metal products, from bathroom fixtures to car bumpers. Chrome adds beauty and durability, but those features come at a heavy cost. Though it's cheap to produce and harmless to consumers, ...

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Water acts as catalyst in explosives

24-Mar-2009

The most abundant material on Earth exhibits some unusual chemical properties when placed under extreme conditions. Lawrence Livermore National Laboratory scientists have shown that water, in hot dense environments, plays an unexpected role in catalyzing complex explosive reactions. A catalyst ...

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Gold-palladium nanoparticles achieve greener, smarter production of hydrogen peroxide

Processing in smaller quantities and more useful concentrations is seen

24-Feb-2009

Despite its importance hydrogen peroxide has eluded the best efforts of the chemists seeking a more direct, efficient and environmentally friendly means of producing it. "Hydrogen peroxide has for decades been made by an indirect energy-intensive process," says Christopher J. Kiely, a professor ...

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Queen's chemist sheds light on health benefits of garlic

Researchers trace benefits to acid produced in decomposing organic compound

03-Feb-2009

A Queen's-led team has discovered the reason why garlic is so good for us. Researchers have widely believed that the organic compound, allicin – which gives garlic its aroma and flavour – acts as the world's most powerful antioxidant. But until now it hasn't been clear how allicin works, or how ...

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A new explosive

Melt-castable nitrate ester with high explosive energy

14-Oct-2008

Since the discovery of nitroglycerin in 1846, the nitrate ester group of compounds has been known for its explosive properties. A whole series of other nitrate esters have been subsequently put to use as explosives and fuels. A research team led by David E. Chavez at Los Alamos National ...

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Monash team learns from nature to split water

19-Aug-2008

An international team of researchers led by Monash University has used chemicals found in plants to replicate a key process in photosynthesis paving the way to a new approach that uses sunlight to split water into hydrogen and oxygen. Professor Leone Spiccia, Mr Robin Brimblecombe and Dr ...

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Powder power - a simple, efficient route to hydrogen fuel

25-Jun-2008

Chemists in the US have developed a simple reaction to make ammonia borane - a powder more hydrogen-dense than even liquid hydrogen. Their one-pot synthesis of this promising hydrogen storage material is reported in the first issue of the new Royal Society of Chemistry journal Energy & ...

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First nanoscale image of soil reveals an 'incredible' variety, rich with patterns

29-Apr-2008

A handful of soil is a lot like a banana, strawberry and apple smoothie: Blended all together, it is hard to tell what's in there, especially if you have never tasted the fruits before. But when you look at soil's organic carbon closely, it has an incredible variety of known compounds. And ...

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Femtogram-level chemical measurements now possible, U. of I. team reports

31-Mar-2008

Finding a simple and convenient technique that combines nanoscale structural measurements and chemical identification has been an elusive goal. With current analytical instruments, spatial resolution is too low, signal-to-noise ratio too poor, sample preparation too complex or sample size too ...

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New materials can selectively capture carbon dioxide, UCLA chemists report

18-Feb-2008

UCLA chemists report a major advance in reducing heat-trapping carbon dioxide emissions in "Science". The scientists have demonstrated that they can successfully isolate and capture carbon dioxide, which contributes to global warming, rising sea levels and the increased acidity of oceans. Their ...

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