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CHEMICAL DEPARTMENT. 



Useful Factors. 



The following are the forms in which analyses of ordinary genuine 

 manures and feeding stuffs are usually reported : — 



L Eeports of Analyses of MANURES. 



(On the left side are the anahjtical details which may vary inform, and on 

 the right the valuable constituents which must not vary in form, and 

 which alone are considered in estimating the value of a manure.) 



1 . Form of Analysis for Superphosphates, Dissolved Bones, 



and the like. 



Capable of yielding as valuable constituents. 



Phosphates of Lime dissolved, . / 



Do. undissolved, . . . ] 



Phosphoric Acid, soluble. 

 Do., in an insoluble state. 

 Lime, . . . "| 



Sulphuric Acid, Or- > . 



• ganic matter, &c., ) 

 Sand and insoluble matter. 



Ammonia, 



* By phosphate of lime is meant tricalcic phosphate (3CaO, PoOj). 

 f Mouocalcic tribasic phosphate (CaO, 2HoO, PoOs)- 



