1895.] 



PUBLIC DOCUMENT — No. 33. 



38; 



6. Miscellaneous Analyses. 



Cooking Soda. 



' [Sent on from South Acton, Mass.] 



Per Cent. 



Total carbonic acid, 48.25 



Available carbonic acid, 15.25 



Sulphuric acid, .31 



Hydrochloric acid, .23 



Insoluble matter, Trace. 



Available carbonic acid, 

 Aluminic oxide. 

 Phosphoric acid, 

 Ammonia, 

 Sulphuric acid, 

 Calcium oxide, 



Soil Deposit. 



[Sent on from Shu-lej', Mass.] 



Per Cent. 



Moisture at 100^ C, 6.13 



Calcium oxide, .38 



Ferric and aluminic oxides, . ....... .79 



Potassium oxide, .18 



Phosphoric acid, .04 



Insoluble matter, 83.18 



Soil. 



[Sent on fi"om Gardner, Mass.] 



Per Cent. 



Moisture at 100° C, 8.33 



Calcium oxide, .44 



Ferric and aluminic oxides, 1.20 



Potassium oxide, .18 



Phosphoric acid, .14 



Nitrogen, .87 



Insoluble matter, 58.49 



