Alexander Krappe set up his separation funnel just as he always did to extract impurities from the compound he was synthesizing. The reaction he’d run, a Scholl-type oxidation, is usually conducted to ...

According to a recent study published on Analytical Chemistry, a novel focusing quadrupole ion funnel (FQ-IF) was proposed by researchers from the Hefei Institutes of Physical Science (HFIPS) of the ...

Between a dark purple liquid on bottom and a clear golden one on top, tiny bubbles rise out of the center of the interface between the two liquids into the golden one. The bubbles create wispy trails ...