69 



Nitrogen Compounds — Concluded. 



1 Total phosphoric acid, 1.17 per cent. 



2 Water soluble potash (K2O) found, 17.70 per cent.; guarantee, 15 per cent. 



Note. — A composite sample, composed of equal weights taken from samples representing 55 carloads of cot- 

 tonseed meal, analyzed 1.71 per cent, potassium oxide (K20) and 2 per cent, phosphoric acid. 



