| Amount | of | substance | used | .0968 | gr. |
| ” | ” | cadmium | found | .08415 | ” |
| |
| Cadmium. | |
| 86.93 per cent. | |
Second determination of cadmium.
| Amount | of | substance | used | .09806 | gr. |
| ” | ” | cadmium | found | .08522 | ” |
| |
| Cadmium. | |
| 86.91 per cent. | |
The calculated percentage of cadmium in Cd(OH) is:
The determination of water in cadmous hydroxide was made by placing a small specimen tube containing the hydroxide in a Kjeldahl flask which was heated in a bath of concentrated sulphuric acid. During the heating a slow current of dry nitrogen was passed over the substance.
First determination of water.
| Amount | of | substance | used | .08434 | gr. |
| ” | ” | water | found | .00609 | ” |
| |
| Water. | |
| 7.22 per cent. | |
Second determination of water.
| Amount | of | substance | used | .08895 | gr. |
| ” | ” | water | found | .00600 | ” |
| |
| Water. | |
| 6.74 per cent. | |