18 



NORTHERN SUGAR INDUSTRY. 



From analyses given in tlie Agricultnral Eeport for 1880, page 126 

 I take the foUowiDg mean composition of the ash : 



Constitnents. 



Pota'^sium as oxide 



Polassium as metaP 



Lime 



Magnesia 



Silica 



Sulpliuric anchydnde (acid) 

 Chlorine ' 



1. 



2. 



Mean. 



49. 66 



33. 77 



41. 71 



4. 31 



14. 58 



9.44 



13. 49 



9. 00 



11. 24 



10. 47 



10.28 



10. 37 



8. 97 



2. 93 



5. 95 



5. 55 



11.70 



4.07 



3. 91 



13. 24 



8, 57 



* Combined with chlorine, &c. 



The following analysis represents the composition of the ash of uum- 

 erons samples of Link's hybrid cane, cnt into fine chips and carefully 

 sampled. After incineration and intimate mixture of all the samples, 

 the examination of the ash gave the following data: 



Analysis of borgluim cane ash. 



Per cent. 



SiUca - 19.45 



Potasli K.2O 34.58 



SodaNaaO , 3.02 



Phosplioric acid P2O5 4. 53 



Sulpliuric acid SO3 4. 20 



Lime, CaO 10.16 



Maguesia-, MgO , 13. 07 



Chlorine 21 



Oxide of iron and alumina, &c Trace. 



Undetermined, &c 10.78 



100. 00 



I give also analysis of the ash of Amber cane grown in Italy: 



A six of Amber cant* 



CLEAN CANE. 



Potash 



Per 

 33 



Soda .- 2 



Lime 14 



Magnesia „ 7. 



Phosphoric acid 6, 



Sulphuric acid 4, 



Hydrochloric acid 3, 



Carljouic anhydride C 



Soluble silica 0, 



Insoluble silica 7, 



Trace of carbon ^ 



Oxide of iron [ 



Oxide of aluminum. ^ 



Matters not determined 1 



cent. 

 ,1019 

 .0341 

 0000 

 .2903 

 8108 

 1886 

 1705 

 .0347 

 8241 

 0329 



5121 



100. 0000 



* L' Ambra Primaticcia o Sorgo Zuccheriao del Minnesota. 

 Mantova, 1883. P. 110. 



Prof. Giulio Monselise. 



