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 ...
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A mega laser from the depths of the universe hits Earth
A maser signal, an equivalent of a laser, has reached us from a distant galaxy. Its origin and intensity make it an exceptional case. The signal traveled several billion years through space ...
A new study reveals that a specially engineered form of biochar can dramatically enhance the natural ability of soil microbes to break down pollutants in rice paddies, offering a promising strategy ...
Metrohm provides a turnkey solution for routine analysis of polyols using near-infrared spectroscopy (NIRS). This solution is based on a pre-calibration model and a dedicated spectral database and ...
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