634 



Circular No. 7. 



Classification of Lniii for Agricultural Purposes. 

 Agreement between the Directors of the New England and New 

 Jersey Experiment Stations and the Special Committee of the National 

 Lime Manufacturers' Association, of Boston, March 3, 1909. 



• (i) Hydrate ■ 



LIME 



(i) High Calcium 



(i) Spraying 



(2) Land. 



(2) Caustic. 



(i) Lump.. . 



(2) Fines. . . 



(3) Ground . 



' Must contain 93% combined 

 oxides and hydrates and all 

 pass a standard lOO-mesh 



sieve. 



' Must contain not less than 

 90% combined oxides, hy- 

 drates and carbonates, of 

 which not over 25% shall be 



[ carbonates. 



f Must contain 90% combined 

 I oxides and carbonates, of 

 i which not more than 10% 

 shall be carbonates, except- 

 ing Ground, which may con- 



tain 20% carbonates. 



(2) Dolomitic 



°^ . I, 



High Magnesium 



f (3) Ground Limestone. 



(4) Kiln Slaked. 



f Must contain 90% combined 

 \ carbonates and pass 50-mesh 

 [ sieve. 



Not guaranteed, contains 

 core, ashes and refuse. 



All shipments except Kiln Slaked shall be accompanied by a 

 statement showing (i) proper class name and (2) guaranteed analysis, 

 in which the respective percentage of calcium and magnesium oxides 

 are given. 



Package shipments to show class and analysis on each package. 



Bulk shipments to have class and analysis statement attached 

 either to invoice or inner side of car. 



All Lime to be sold by weight, cwt. or ton. 



Analyses to be those at kiln and guaranteed. 



