Earth Field NMR
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Our measuring device, developed at the Landesmessstelle für Radioaktivität of the University of Bremen, can be used to identify the porosity and pore size distribution of heterogeneous media via nuclear induction  in the Earth’s magnetic field.

Porous media can be analyzed if the pore space contains a fluid with a sufficient amount of hydrogen (e.g. > 1 ml water). The measurement will not cause destruction or structural changes of the sample.



The Earth Field NMR device at the University of Bremen