Diamagnetism of Water at Different Temperatures

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Abstract
Attention is called to the discordant results found by different observers for the diamagnetism of water at different temperatures. A new and very sensitive device called a manometric balance is described. The device was designed for the purpose of investigating the variation of the specific susceptibility of water with varying temperature. Experiments with water which had just been boiled in order to get rid of dissolved air indicated less diamagnetism at temperatures higher than 23.5°C; and experiments upon water which was boiled and left standing for several days in contact with helium gas indicated greater diamagnetism at temperatures higher than 23.5°C; the change in the specific susceptiblity was less than one percent in each case.

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