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Updated: May 13, 2025
M. de Valicours furnishes us with the best method for preparing this mixture: "Into a bottle of the capacity of about two ounces, pour thirty or forty drops of bromine, the precise quantity not being of importance. Then add, grain by grain, as much iodine as the bromine will dissolve till quite saturated. This point is ascertained when some grains of the iodine remain undissolved.
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