OUT of the many methods suggested 1 for the quantitative determination of the total of aromatic constituents in mineral oils, none is suitable for giving information about the nature of these ...

The term aromaticity is a basic, long-standing concept in chemistry that is well established for ring-shaped carbon compounds. Aromatic rings consisting solely of metal atoms were, however, heretofore ...

A particular silicon compound that has been sought by scientists for decades has been created by two separate teams of ...

NMR spectroscopy is a powerful technique that is ideally suited to the characterization and analysis of a diverse array of chemical compounds. Unlike many other analytical techniques, NMR spectroscopy ...

Aromaticity is one of chemistry’s oldest concepts to describe the behavior of molecules. Chemists created it 150 years ago to help visualize and explain the bonding, structure, and reactivity of ...

Aroma is an important sensory factor in the perception of food. But what exactly makes a food smell pungent, or savory, or foul? The chemistry of aroma, or smell, can be very complex. There are an ...

Aromatic compounds, such as dioxins and benzene, are major soil pollutants. Their high chemical stability makes them resistant to microbial and ...

The flavor and fragrance company Symrise is working with the Belgian biotech firm ChemCom to identify aromatic compounds that block the receptors of unpleasant odors. The partners will use ChemCom’s ...