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Research News
Chemists have long thought that liquefied, or "supercritical," carbon dioxide could be the perfect, environmentally friendly solvent: It's essentially harmless to living things--and cheap. But it's also so inert that few substances will dissolve in it. Now, however, as reported in this issue on page 2049, researchers have devised a surfactant--a sort of soap--that should help carbon dioxide dissolve a host of greasy compounds that are important in industry.
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Science. ISSN 0036-8075 (print), 1095-9203 (online)
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