LTOHT CTTRVES OF FLUORESCENCE 



1061 



20 



o totolly inhibited 



18 1- • not inhibited 



10 

 9 

 8 

 7 

 6 

 5 

 4 

 3 

 2 

 1 



o without cyonide 

 • 0.003% cyanide 



20 40 60 80 100 



INCIDENT INTENSITY, erg/cm sec 



Fig. 28.43. Stationiiiy values of fluor- Fig. 28.44. Cyanide effect on fluores- 



escence of Chlorella as function of light cence of diatoms (25° C.) (after Wassink 

 intensity with and without cyanide (after and Kersten 1945). 

 Wassink and Katz 1939). (Gas phase air, 

 29° C.) 



14 



% Thiosulfote 

 o without cyanide 

 A 0.0167% cyanide 



14 



12- 



10 



4- 



15% Hydrogen 

 o without cyanide 

 A 0,00125% Cyanide 



INCIDENT INTENSITY, erg /cm." sec. 



Fig. 28.45. Effect of cyanide on fluorescence of Chroinatiiim (after Wassink, 

 Katz and Dorresteiu 1942). 5% COj, pH 0.3, 29° C. 



