524 



BOARD OF AGRICULTURE. 



Muriate of Potash. 



[I. Sent on from Nortbampton, Mass. II. Sent on from Williamsburg, Mass. 

 III. Sent on from South Deerfield, Mass.] 



The large amount of moisture in the last sample explains 

 somewhat the lower percentage of potassium oxide. The prin- 

 cipal admixture of salines in this brand of potash compounds 

 consists of common salt, usually from 14 to 18 per cent. 



Muriate of PotasJi. 



[I. Sent on from Fall River, Mass. II. Sent on from Amherst, Mass.] 



Moisture at 100" C, 



Potassium oxide (4^ cents per pound), . 



Sodium oxide, 



Valuation per 2,000 lbs., .... 



SulpJiate of Potash. 



[Sent on for examination, Amherst, Mass.] 



Moisture at 100 C, . 



Potassium oxide (5| cents per pound). 



Sodium oxide, 



Sulphuric acid (5.| cents per pound). 



Chlorine, 



Insoluble matter, .... 



rer cent. 



0.80 

 47.86 



1.68 

 45.06 



0.66 



0.60 



Valuation per ton of 2,000 lbs., 



$52 65 



