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Capabilities of NMR Relaxometry Using Magnetic Nanoparticles for the Analysis of Fluid Motion in a Porous Medium

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The dependence of the transverse relaxation time T2 on the liquid, flow velocity in a porous medium (for the water and water suspension of magnetic nanoparticles (MNPs)) is studied. The… Click to show full abstract

The dependence of the transverse relaxation time T2 on the liquid, flow velocity in a porous medium (for the water and water suspension of magnetic nanoparticles (MNPs)) is studied. The T2 value allows measuring the filtration velocity of a liquid on the order of 0.05 mm/s. MNPs in a small concentration decrease T2 but at the same time the dependence of T2 on the liquid’s velocity becomes more pronounced.

Keywords: nmr relaxometry; relaxometry using; magnetic nanoparticles; porous medium; capabilities nmr

Journal Title: Physics of Metals and Metallography
Year Published: 2018

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