Quartz helix magnetic susceptibility balance using the Curie-Cheneveau principle
Review of Scientific Instruments
By: F. E. Senftle, M. D. Lee, A. A. Monkewicz, J. W. Mayo, and T. Pankey
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Abstract
A quartz spring balance is described which can be used to measure the magnetic susceptibility of submilligram amounts of sample. The magnetic field is supplied by a moving permanent magnet, and the susceptibility is determined by the deflection of the spring observed in a measuring microscope. The apparatus is calibrated by a comparison standard (platinum) and results are shown for platinum, nickel aluminate, lead, manganese, and sucrose. A precision of better than 2% can be obtained on submilligram amounts of paramagnetic substances having a magnetic susceptibility of from 1 to 50×10−6 emu/g. On weakly paramagnetic or diamagnetic substances comparable precision can be obtained on less than 10 mg amounts of sample.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Quartz helix magnetic susceptibility balance using the Curie-Cheneveau principle |
| Series title | Review of Scientific Instruments |
| DOI | 10.1063/1.1716216 |
| Volume | 29 |
| Issue | 5 |
| Year Published | 1958 |
| Language | English |
| Publisher | AIP Publishing |
| Description | 4 p. |
| First page | 429 |
| Last page | 432 |
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