INFLUENCE OF ACID AND ALKALI 



413 



TABLE I. CASEIN 



To iV/100 NaOH containing about 2 per cent of casein was added an 

 equal volume of N/300 NaOH. To 50 cc. of this solution were added 

 10 milligrams of trypsin. Temperature 15 to 18 degrees. 



TABLE II. PROTAMIN SULPHATE 



Ten grams of protamin sulphate in one litre of solution, 

 of trypsin and 2.5 of A^/10 NaOH to 25 cc. 



Ten milligrams 



