APPENDIX. 239 



ANALYSIS OF THE ASHES OF THE STRAW OF RYE, BY 

 DR. FRESENIUS. 



A. — Ingredients soluble in water and muriatic acid. 



Potash united to silicic acid 

 Sulphate of potash . 

 Chloride of potassium . 

 Chloride of sodium 

 Lime united to silicic acid 

 Magnesia 

 Phosphate of lime 

 Phosphate of magnesia 

 Phosphate of oxide of iron 



6-88 

 1-75 

 0-25 

 0-56 

 4-19 

 0-76 

 2-50 

 1-28 

 1-57 



Small quantity of phosphate of protox. of manganese. 19*74 



B. — Residue insoluble in water and muriatic acid. 



Potash united to silicic acid .... 



Lime united to silicic acid . . . 



Magnesia united to silicic acid .... 



Phosphate of iron ..... 



Phosphate of protoxide of manganese . 



Silicic acid ...... 



Carbonaceoous matter .... 



10000 



Soluble and insoluble together. 



Potash united to silicic acid . . . . . 16*09 



Sulphate of potash ...... 1*75 



Chloride of potassium ...... 0*25 



Chloride of sodium . . . . . . 56 



Lime united to silicic acid . . . 7 62 



Magnesia .... . . 1*92 



Phosphate of lime ...... 2*50 



Phosphate of magnesia . . . , . 1*28 



Phosphate of oxide of iron ..... 3*20 



Small quantity of phosphate of protoxide of manganese. 



Silicic acid . . . . . . 63*89 



Carbonaceous matter .... . 0*94 



10000 



