The Elusive Hydroxyl Revisited

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Science  15 Nov 1996:
Vol. 274, Issue 5290, pp. 1153
DOI: 10.1126/science.274.5290.1153


The hydroxyl radical (OH) is an important oxidant in Earth's atmosphere, but measurement of its minuscule abundance is very difficult. In his Perspective, Brune provides an updated look at recent measurements carried out in Germany in which two different techniques were compared.