11 



570. SALTPETRE WASTE. (From Gunpowder Works.) 



Sent on from Acton, Muss. 



rev Cent. 



Moisture at 100» C, 5.19 



Potassium oxide, 15.04 



Sodium oxide, 36.82 



Total calcium oxide, 0.47 



Total magnesium oxide, 0.27 



Nitrogen, 1.90 



Sulphuric acid, 1.02 



Total chlorine, 53.50 



Calcium chloride, 0.05 



Magnesium chloride, 0.63 



Insoluble matter, Trace 



The composition of this material varies in different samples in a 



marked degree. Its application ou forage crops and on grass-lands 



in particular has proved highly satisfactory, 



571. MUCK. 



Sent ou by A. A. Rice, Mount Hermon, Mass. 



Per Cent. 



Moisture at 100^ C 75.44 



Dry matter, 24.56 



Mineral matter in dry matter, 12.00 



Nitrogen in wet muck, 0.37 

 A fair sample of its kind. 



572. SCOURING LIQUOR OF RAW WOOL. 



Sent on from Plymouth, Mass. » 



Per Cent. 



Moisture at 100° C, . 92.03 



Dry matter, 7.97 



Nitrogen, (in liquid), .09 



Ash, 3.28 



Calcium oxide, .04 



Magnesium oxide, trace 



Potassium oxide, 1.09 



Sodium oxide, .92 



Iron and Alumina oxides, .09 



Insoluble matter, .22 



