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Accelerating or facilitating chemical reactions is pivotal for many conversions and industrial processes. Hydrocarbon cracking in oil refineries, the reduction of nitrogen oxides in car emissions by means of the platinum catalytic converter, the oxidation of hydrogen in fuel cells, biocatalytical enzymatic conversions or ammonia synthesis are only a few examples of how much industry relies on potent catalysts.
abcr. Gute Chemie. Your competent partner for the procurement of chemicals for science, research and industry for over 25 years. Versatile range in customized units from grams to tonnes and, therefore, ideally adapted to your processes. More than 250,000 products quickly and simply available in th more
Chemspeed is a global leader in the development of innovative instruments and consumables for scientists working in research and development laboratories including a line of fully automated parallel synthesizers, instruments for high throughput solid dispensing and liquid handling, and workstations more
ChemPur delivers more than 3,500 metals and compounds, inorganic specialty chemicals, nano powder, as well as more than 100,000 organic intermediates. Our range of products include precious metal compounds and rare earth compounds, precious metal semi-finished products, sputtering targets from meta more
Explore our broad range of chemicals for every stage of product development, and see how you can benefit from our technical and regulatory expertise more
Self-healing coating surfaces and tamper-evident security are two of the many benefits that your products can achieve by incorporating microencapsulation more
Noble metal aerogels (NMAs) are an emerging class of porous materials embracing nano-sized highly-active noble metals and porous structures, displaying unprecedented performance in diverse electrocatalytic processes. However, various impurities, particularly organic ligands, are often involved in th more
In the production of compounds, chemists have the fundamental goal of finding strategies that are most selective and avoid waste products. Breakthroughs in this area serve, among other things, to drive industrial innovation and drug development. In this context, allylic substitution reactions using more
An excessive amount of carbon dioxide is the main cause of climate change. One of the best approaches is to capture and convert carbon dioxide (CO2) into fuel such as methane. On the other hand, a sustainable way to solve the energy problem is to generate alternative energy source, however, challeng more
Chemist Xile Hu is awarded the National Latsis Prize 2017, Xile Hu is Professor of Chemistry at the Swiss Federal Institute of Technology in Lausanne (EPFL). He is honored for his impressive scientific career and outstanding research on the fundamental understanding of catalysis. more
ETH Zurich scientists have discovered a new catalyst that allows the easy conversion of natural gas constituents into precursors for the production of fuels or complex chemicals, such as polymers or pharmaceuticals. The new catalyst is extremely stable and results in fewer unwanted by-products. ... 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 over 25 years’ experience in the construction of pressure vessels behind it, Berghof is offering an innovative device concept for many types of applications in research and development laboratories. Chemical reactions, which take place under tem more
In contrast to Schwesinger type phosphazene N-superbases the compounds presented herein exhibit even more basicity more
While the technique has gained increased popularity in recent times, the principal of in situ reaction monitoring dates back to 1961 when Farenfort introduced a new method of measurement that today is called Attenuated Total Reflectance (ATR). The co more
Volkswagen have been in the news for all the wrong reasons. The company admitted to installing a ‘defeat device’ in millions of cars which made it appear in emissions tests that they emitted far lower levels of particular pollutants than they actually did in normal road conditions. Plenty of article more
How different factors can affect how quickly a reaction happens is a common topic in the chemistry curriculum. This graphic serves as a convenient summary for teachers and students alike of what these different factors are, and how and why they affect the rate of a reaction. However, it’s not only o more
The direct synthesis of copper selenide nanoparticles from the reaction of ditertiarybutyl selenide tBu2Se with copper(ii) trifluoroacetate Cu(TFA)2 under mild conditions is reported. The isolation of a molecular species during the course of this reaction, established as [Cu2(TFA)2(tBu2Se)3], by spe more
MnOx/TiO2 (MnTi) and Nd-modified MnOx/TiO2 (MnNdTi) were prepared via a coprecipitation method. The used samples were obtained by exposing the fresh catalysts to 50 ppm SO2 stream at 210 oC for 3 h and 6 h, respectively. Comparative investigations were performed on the fresh and used catalysts to id more
MFI Zeolites exchanged with various cations have gained a great deal of attention as catalysts. Increase in the ion-exchange capacity of zeolites can improve their catalytic properties by introducing more active sites; however, the ion-exchange capacity of MFI zeolites is limited by maximum aluminum more
Photoredox catalysis has developed into a powerful tool for the synthesis of organic compounds with diverse structures. However, the high stability of carbon-chloride bonds has long hampered the use of cheap and readily available chloroalkanes as substrates. more
Light is a powerful tool to manipulate a vast variety of chemical processes. The use of specific photo-chromic molecules allows chemists to perform reactions in a reversible fashion with a high spatio-temporal resolution. more
Optical active substances made from chiral catalysis form the basis of many drugs. Expensive precious-metal catalysts are required for the chemical production, which due to their thermal instability decompose at high temperatures and can therefore only be used once. The innovative process of DexLeChem GmbH makes it possible for the first time to use these precious-metal catalysts made from rhodium, ruthenium or iridium more than once, without modifying them. At the same time, reaction occurs in aqueous solutions instead of mineral-oil-based solvents, which increases the sustainability of the process. This is a milestone in catalysis and a real opportunity for the pharmaceutical industry. more
Maciej Giedyk, born in 1988, graduated with a Master's of Engineering degree in chemistry from the Warsaw University of Technology, Poland, in 2012. He completed his PhD studies at the Institute of Organic Chemistry Polish Academy of Sciences under the supervision of Professor Dorota Gryko in 2016, more
born in 1980, studied Chemistry at the Berlin University of Technology. She received a doctorate in 2010 in the research group of Prof. R. Schomäcker on the control of the reaction process of the Suzuki coupling in micro emulsions with the aim of catalyst and product separation. From 2011 to 2012, s more
Mathies Evers, born in 1989, studied chemistry at the Ruhr University Bochum, where he researched the synthesis of atom-precise molecular clusters. After his master's degree he started his doctoral thesis at the Chair of Analytical Chemistry II of Professor Dr. Kristina Tschulik and is supported by more
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