1888.] 



PUBLIC DOCUMENT — No. 33. 



163 



Sea-weed Ashes. 



[Sent on from Duxbury, Mass.] 



rer cent. 



Moisture at 100° C, 1.47 



Calcium oxide, 6.06 



Magnesium oxide, 4.37 



Potassium oxide, 0.92 



Sodium oxide, 8.7-2 



Phosphoric acid, 0.30 



Sulphuric acid, 2.98 



Chlorine, 6.60 



Sulphur, 0.14 



Insoluble matter (before calcination), 63.65 



Insoluble matter (after calcination) , 66.28 



The analysis of the above ash showed it to contain .14 

 per cent, of magnesium chloride. 



Mussel and Mud. 



[Sent on from Eastham, Mass.] 



Moisture at 100° C, . 



Phosphoric acid (5 cents jier pound), 



Calcium oxide. 



Iron and alumina, 



Niti'ogen (15 cents per pound). 



Insoluble matter, ... 



Valuation per 2,000 lbs., 



Per cent. 



2.24 

 0.35 



23.39 

 8.26 

 0.72 



37.60 



$2 50 



Sea-weed. 



[Sent on from Eastham, Mass.] 



I. 



II. 



Moistiu-e at 100° C, 

 Ferric oxide, . 

 Calcium oxide, 

 Pliosphoric acid. 

 Magnesium oxide. 

 Sodium oxide, 

 Potassium oxide. 

 Chlorine, 

 Nitrogen, 

 Insoluble matter, 



12.05 

 0.25 

 2.73 

 0.44 

 1.48 



11.75 

 3.81 

 6.40 

 1.66 

 7.73 



14.96 

 0.09 

 3.86 

 0.17 

 1.30 

 8.40 

 0.36 

 5.28 

 1.28 

 0.78 



