The method of determining the hydroxyl number in polyols and oxo alcohols specified in DIN EN ISO 4629-2 derives its theory from the catalytic acetylation of the hydroxyl group. Once the intermediate ...

According to a study published in Water Research in April 2020, superoxide produces hydroxyl radicals in lake water. Hydroxyl radicals break down poorly biodegradable organic matter such as humic ...

It is known that primary and secondary hydroxyl groups form acidic carbamates when reacted with an excess of p-toluenesulfonyl isocyanate (TSI). This product is titrated using tetra-n-butylammonium ...

Hydroxyl, an important but difficult-to-detect molecule, is made up of a hydrogen and oxygen atom each. It has now been found in the upper reaches of the Venusian atmosphere about 100 kilometers above ...

Farmington, May 08, 2023 (GLOBE NEWSWIRE) -- The Global Hydroxyl-Terminated Polybutadiene (HTPB) Market is set to witness a CAGR of 9.5% to reach a market valuation of US$ 498.7 million by 2030, up ...

The process of pollutant degradation in the troposphere was first understood in the early 1970s 1. It is now widely accepted that the reaction with hydroxyl radicals (OH) is the dominant ...

Scott F. Singleton, an associate professor of medicinal chemistry and natural products at the University of North Carolina School of Pharmacy, calls the results "wonderfully unexpected, but in a way ...

Scientists have found that lightning bolts and, surprisingly, subvisible discharges that cannot be seen by cameras or the naked eye produce extreme amounts of the hydroxyl radical and hydroperoxyl ...

Astronomers have detected a new chemical signature in the atmosphere of an extrasolar planet (a planet that orbits a star other than our Sun). The hydroxyl radical (OH) was found on the dayside of the ...

Victoria's Hydroxyl Systems Inc. is once again in troubled financial waters and is working to develop a survival plan by early in the new year. "We are going through a formal restructuring but we are ...