Gouy balance

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

The Gouy balance is a simple technique for measuring the magnetic susceptibility of metals or metal complexes. This method was invented by the French scientist Louis Georges Gouy (19 February 1854 – 27 January 1926).

A long, cylindrical sample that is to be tested is suspended from a balance, partially entering between the poles of a magnet. The balance measures the apparent change in the mass of the sample as it is repelled or attracted by the region of high magnetic field between the poles.^[1] Some commercially available balances have a port at its base for this application.

Notes

↑ Saunderson, A. (1968). “A permanent magnet Gouy balance”. Physics Education. 3: 272–273. doi:10.1088/0031-9120/3/5/007.

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[1] Saunderson, A. (1968). “A permanent magnet Gouy balance”. Physics Education. 3: 272–273. doi:10.1088/0031-9120/3/5/007.

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