204 ETHYL AMMONIUMSULPHITE. 



was left standing for some time in an open flask, and was 

 only then placed in a desiccator. It left a small quantity of 

 sodium pyrosulphite as a white powder. The salt is therefore 

 a little soluble in alcoholic sulphur dioxide and then by 

 absorbing water becomes alcohol and sodium pyrosulphite. 



