[129] See, on this point, the statement by M. Becquerel, p. 462, relative to the use of platina wires, when forming a communicating medium with fluids.
5. Elementary Nature of Bromine.
When bromine and iodine are combined, the former passes to the positive pole, and is consequently more negative than the latter; which accords with the observation of M. Balard, that it should occupy a place between chlorine and iodine.
According to the Bulletin Universelle, when the letter to M. Arago, containing an account of the facts above referred to, was read to the Academy of Sciences, that body decided that the assertion of M. Dumas that bromine was a compound of chlorine and iodine should be considered as retracted, and that it should be so entered, upon the procès-verbal of the sitting.—A. viii. 209.
6. Quantity of Bromine in Sea-Water.
7. Sale of Bromine.
8. Preparation of Iodous Acid.
9. On a peculiar Nitric Acid, and Sulphate of Potash, by Mr. Phillips.
| Real nitric acid | 36.98 | or | 80.16 |
| Water | 9.15 | 19.84 | |
| 46.13 | 100.00 |
Supposing this acid to be a definite compound of two atoms of acid, 108, and three of water 27, it would consist of