[Vol. 10 



238 



ANNALS OF THE MISSOURI BOTANICAL GARDEN 



weight), 10 cc. of this solution being equivalent to 25 cc. of the 

 0.5 N NaOH. 



kw Fig. 1. Diagram of carbon analysis apparatus: A, separatory funnel; B, 

 Kjeldahl flask; C, condenser; Z>, gas wash bottle; E, 600-CC. Florence flask; F, 

 absorption tower; (?, bubbler or trap. 



Procedure. — Pipette into the Kjeldahl fla 



;k an amount of 



^ms. of carbon 

 ,gh distilled H 2 to make a volume of 50 cc. and a fe 



Add 



