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For over 40 years, Bernd Kraft® GmbH has produced ready-to-use laboratory chemicals that are supplied in containers from 1 ml to 1,000 l. Our portfolio of more than 10,000 products ranges from standards for chemical analytics, standard solutions, buffer solutions, reagents for analytical more
Engineering and delivery of turn-key, customized membrane and hybrid plants: More than 20 years experience with industrial scale pervaporation / vapor permeation - on request combined with distillation - as well as micro-, ultra-, nanofiltration, reverse osmosis, electrodialysis, for chemistry, phar more
Honeywell Research Chemicals’ history in the industry dates back more than 200 years to when Chemist Johann Daniel Riedel started production of pharmaceuticals in Berlin. Today, Riedel-de Haën™, Fluka™, Hydranal™, Chromasolv™, TraceSELECT™ and many other world leading brands are now part of the Hone more
When filling a waste bottle or waste canister, volatile organic compounds are forced out of the vessel more
Carbon monoxide is a very poisonous gas. Humans die within minutes when they inhale it. However, some microorganisms tolerate carbon monoxide and even use it to breathe and replicate. Knowledge about how these bacteria survive opens a window into the primeval times of the earth and the origin of lif more
Catalysts speed up chemical reactions and form the backbone of many industrial processes. For example, they are essential in transforming heavy oil into gasoline or jet fuel. Today, catalysts are involved in over 80 percent of all manufactured products. A research team, led by the U.S. Department of more
A group from Brazil and an HZB team have investigated a novel composite membrane for ethanol fuel cells. It consists of the polymer Nafion, in which nanoparticles of a titanium compound are embedded by the rarely explored melt extrusion process. At BESSY II they were able to observe in detail, how t more
In a new twist to waste-to-fuel technology, scientists at the Department of Energy’s Oak Ridge National Laboratory have developed an electrochemical process that uses tiny spikes of carbon and copper to turn carbon dioxide, a greenhouse gas, into ethanol. Their finding, which involves nanofabric ... more
With New Year’s Eve upcoming, a large number of people will celebrate by popping open a bottle of champagne. The bubbles in your glass may seem simple enough, but there’s actually a wealth of interesting chemistry behind them – chemistry that’s vital for the perceived taste and aroma of the wine. Th more
The second in the ‘Aroma Chemistry’ series, this graphic examines the smell of fresh-cut grass. This is oft-mentioned when discussions of favourite smells come up, so what are the chemical compounds behind it? Grass emits volatile organic compounds normally, even without being cut. Research has show more
You could be forgiven for thinking there’s not a great deal that’s interesting about the chemistry of vodka. After all, isn’t it essentially just a mix of two compounds, ethanol and water? Though this is pretty much the case, there’s more to vodka than you might expect. Here we take a look at some o more
The effect of ambient temperature and relative humidity on the dynamics of ethanol drop evaporation is investigated. Although drop evaporation of mixtures and pure fluids has been extensively studied, very little is known about the transition from pure fluid to a binary mixture following transfer of more
We report here a smart functional low molecular weight gelator (LMWG) L, containing unusual metal ion coordination site, i.e. “half-crown/two carbonyl”. The gelator L shows excellent gelation behavior with typical fibrillar morphology in acetonitrile, methanol and ethanol medium. Upon Ca2+ ion bindi more
Publication date: November 2018 Source:Microchemical Journal, Volume 142 Author(s): Cecilia S. Tettamanti, María L. Ramírez, Fabiana A. Gutierrez, Paula G. Bercoff, Gustavo A. Rivas, Marcela C. Rodríguez In this work, we report the building of a nanostructured platform with activit more
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