Table 2 .- - Adsorption and desorption equi librium moisture contents of reindeer lichen 



Salt 

 solution 



: Dry 



DUi D 



: Relative 

 ; humidity 



'• Average ' 

 : adsorption : 

 ; moisture ; 

 content 



Dry : 



DU i D ; 



Relative 

 humidi ty 



Average 

 desorption 

 : moisture 

 content 





°F. 



Percent 



Percent 



°F. 



Percent 



Percent 











80 



7.2 



3.9 



LiCl 



80 



16 



6.5 



80 



15.0 



7.5 



Mcif 1 



2 



80 



33 



10.2 



80 



35 . 



1 1 4 



Mg(N02)2 



80 



53 



11.6 



80 



56.0 



12.6 



NaCl 



80 



68 



16.6 



80 



68.0 



16.9 



KNO3 



80 



88 



20.8 









Dry bulb temperature was controlled at 80°F. + 1°. 



A ^ Adsorption 

 O'xio Desorption 



10 20 30 40 50 60 70 80 90 100 



Rtlative humidity (percent) 



Figure 6. — Adsorption and desorption equilibrium moisture contents of reindeer lichen 

 at air temperature of 80° F. 



5 



