Vibrating Sample Magnetometer for Protein Research
- 1 May 1972
- journal article
- research article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 43 (5) , 760-762
- https://doi.org/10.1063/1.1685752
Abstract
A simple magnetometer for use with weakly paramagnetic frozen solutions is described. It uses the same superconducting coil for generating the field and detecting the vibrating magnetization. A nearly translationally invariant sample holder and low frequency vibration of large amplitude are advantageous. In a sample volume of 0.7 ml, 2×10−7 moles of a species having a single g=2, s=½ spin produces a signal reproducibly different from that of pure water, when the temperature is varied from 77 to 2 K.Keywords
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