The process of separating useful molecules from mixtures of other substances accounts for 15% of the nation's energy, emits ...

Adding fluorine to drug molecules can be tricky, but is often worthwhile. Rachel Brazil talks to the chemists trying to tame ...

Following an initial sip, nuanced flavor mixtures were identified by the FUSION PTR-TOF; however, the majority of compounds disappeared in seconds. Interestingly, certain compounds seemed to be more ...

The main reason for the molecule falling apart is that a lot of the heavier elements ... and complex compounds cannot be made. There are examples of naturally occurring substances that show ...

independently identified oxygen as a distinct element. Scheele’s and Priestley’s experiments demonstrated that air was not a singular substance but a mixture of gases, one of which supported ...

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Understanding the main compound’s assay and the number of impurities or other unwanted substances in the sample ... determines how much each component of a mixture impacts the total mass; the sum of ...