A great deal of time was spent in trying to effect a partial synthesis
of cadmium bromide in exactly the same manner as had been used in case
of cadmium sulphate. No results were obtained because cadmium bromide is
slowly volatile at 150°C, the temperature used, and retained some
hydrobromic acid ever after more than 100 hours of drying. Some work was
done in trying to establish the ratio between silver and Cadmium by
dropping a weighed piece of cadmium into a solution of silver sulphate,
the reaction being: