Quartz helix magnetic susceptibility balance using the Curie-Cheneveau principle
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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 |
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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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