CHEMICAL COMPOSITION. 



No. 1224. Thompson's bromin and arsenic water, Grumpier, N. C. 

 [Sodic bicarbonated alkaline (silicious and arsenic).] 



73 



Gases (number of cubic centimeters per 1,000 grams at C. and 760 mm pres- 

 sure). Carbon dioxid (free), 34.9; carbon dioxid (set free from bicarbonates on 

 evaporating to dryness), 14.8. 



a Heavy trace. *> Faint trace. c Minute trace. 



HYPOTHETICAL FORM OF COMBINATION. 



a Minute trace. 



b Faint trace. 



Heavy trace. 



