LEAF TEMPERATURE. 



55 



Following is an example of the calculation for one determination. 

 TABLE 22. Temperature readings for the determination of leaf-temperature. 



Readings for leaf -temperature determination (equation 



Weight of calorimeter C, stirrer, thermometer, etc 



Weight of C, etc., plus turpentine A 



/. Weight A. . ... 



Weight C plus A plus leaves 



.'. Weight of leaves 



Temperature Ta 



Temperature Tc 



Temperature of air 



Readings for specific heat of leaves (equation 2}. 



Weight (7, plus A, plus leaves, plus turpentine B. . 



.'. Weight B 



Temperature Ta 



Temperature Tc 



Temperature Tb 



Temperature of air 



121 .08 gm. 

 141 . 74 



20.60 

 143 . 97 



2.23 



IS . 70 



19.20 



19 .0 



158.48gm. 

 14.51 

 15.30 

 21.60 



28.84 

 17.7 



