Silent Discharge Involving Catalysis 



185 



jeo 



zw 





/60 



QO 





rr/re ^ J6 



a/ass roi/j 

 e^/ass rroo/. 

 6/L/e f/,nt. 



Secondary A'v 



/O 



Fig. 6. Ozone formation with and without fragments of dielectric material in con- 

 tact with the dischai'ge. 



Secondary /^v 



Fig. 7. Nitric acid formation with and without fragments of dielectric material in 

 contact with the discharge. 



