MECHANISM OF RENAL SECRETION 



65 



lO 20 30 40 50 60 70 8090 100 120 lAO 160 160 200 220 240 260 280 300 



Minutes = Iron 



= Volume in cc. 



Chart 2 Catheter secretion curve of experiment K46, in which the green ferric 

 ammonium citrate was used, as also in the other experiments of this type 



Minutes 



= Iron 



= Volume in cc. 



Chart 3 Catheter secretion curve, experiment K60 



