XXXVII.On the diamagnetic susceptibilities of gases at low pressures
- 1 February 1928
- journal article
- research article
- Published by Taylor & Francis in Journal of Computers in Education
- Vol. 5 (28) , 380-386
- https://doi.org/10.1080/14786440208564477
Abstract
The Instrument.—The apparatus employed is a modified form of Curie balance of high sensitivity and specially adapted for investigations on weakly magnetic gases. It consists of a thin closed bulb, suspended from the balance-beam in a suitable non-homogeneous field. The gases under investigation surround this bulb. The glass of the bulb is diamagnetic, but, it is almost compensated for diamagnetism by enclosing the requisite quantity of air; so that in a vacuum there is very little magnetic force acting on it at atmospheric temperature. When a diamagnetic gas surrounds the bulb, it is attracted towards the stronger part of the field, causing a twist in the suspension fibre of the balance-beam and vice versa. The deflexions give a relative measure of the volume susceptibilities. The balance is enclosed in an air-tight chamber of required shape, into which gases are let in.Keywords
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