310 DIVERS & HAGA : INTERACTION BETW. SULPHITES & NITRITES. 



imidosiilpliate corresponding to the pyrosulphite acting — 

 HONO + (S02K)-S03K=HON(S03K)2. The origin of all the other 

 salts out of this salt has been traced, partly by others and part- 

 ly by ourselves, and need not be gone over again here. 



