Articles on Analytical chemistry

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Mass spectrometry will identify those explosive molecules. Marcia Cirillo/Flickr

The science of airport bomb detection: mass spectrometry

You’ve probably had your hand luggage swabbed after walking through the metal detector at the airport. Whatever molecules were picked up by the swab have been separated using gas chromatography. So how…
It’s all science. Emmanuel Hebrard

Explainer: what Philae did in its 60 hours on Comet 67P

The drama of Philae’s slow fall, bounce and unfortunate slide into hibernation was one of the most thrilling science stories of a generation. But what in its short 60 hours of life on Comet 67P did it…
Artist illustration of how single molecules can be analysed. Guoyan Wang and Yan Liang

New method can image single molecules and identify its atoms

The ultimate dream of nanotechnology is to be able to manipulate matter atom by atom. To do that, we first need to know what…

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