Nuclear Magnetic Resonance Using Earth's Magnetic Field

Earth's magnetic field, a familiar directional indicator over long distances, is routinely probed in applications ranging from geology to archeology, and now it has provided the basis for a technique which could characterize the chemical composition of fluid mixtures in their native environments. Researchers from the Lawrence Berkeley National Laboratory conducted a proof-of-concept nuclear magnetic resonance experiment in which a mixture of hydrocarbons and water was analyzed using a high-sensitivity magnetometer and a magnetic field comparable to that of the Earth. read more

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