INDEX 



109 



Decomposition of Cyanamid in stor- 

 age, 28, 29. 



Definitions of terms used in Cyan- 

 amid industry, 3-4. 



Derivatives of Cyanamid, 8-18. 



Di-calcium phosphate in Cyanamid 

 mixtures, 91-92. 



Dicyandiamide ; commercial pro- 

 duction, 9; conversion in soil, 77; 

 decomposition, 75, 76; formation 

 in Cyanamid, 11, 43,44, 5i, 75; 

 method of treating subject, 74; 

 properties, 17, 18; pure versus 

 impure, 77-82 ; toxicity, 77-82. 



Dicyandiamidine, analysis, 21 ; 

 properties, 18. 



Dimetal salts of cyanamide, 13. 



Discovery of Cyanamid, i. 



Drying action of Cyanamid in fer- 

 tilizer mixtures, 93. 



Duration of Cyanamid nitrogen in 

 soil, 64. 



Dye industry, use of^dicyandiamide 

 in, 9. 



Efficiency of utilization of nitrogen 

 in fertilizers, 69, 84. 



Electric furnace, i, 4. 



Electrolytes, effect on cyanamide 

 decomposition, 47. 



Equilibrium, temperature, 6 ; pres- 

 sure, 6. 



Errors in fertilizer experiments, 84, 

 85. 



Excessive applications, effect of, 

 69, 72, 82, 84. 



Experimenting with fertilizers, 69, 

 83-86. 



Explosives, Cyanamid derivatives 



for use in, 9. 

 Exposure of Cyanamid,* effect of, 



25-31. 

 Factory storage of Cyanamid, 24. 

 Ferrodur, 9. 



Fertilizer : excessive application of, 

 69-73, 84 ; mixtures with Cyana- 

 mid, 89-94; preparation of Cyana- 

 mid as material for, 7 ; use of 

 Cyanamid as, 73, 87, 89. 



Fineness of Cyanamid, 7. 



Fire and water hazard of Cyanamid, 

 102-106. 



First stage of decomposition of cal- 

 cium cyanamide, 37, 38. 



Florida, storage test in, 24, 31. 



Frank, Dr. Albert R., 3, 85. 



Frank, Prof. Adolph, i. 



Freudenberg, Herman, 3. 



Fungi —in decomposition of cyana- 

 mide, 35, 36. 



Germination, effect of Cyanamid 

 on, 82. 



Glass sand, effect on cyanamide 

 decomposition, 52, 53, 54. 



Glucose — effect in decomposition of 

 cyanamide, 34-36. 



Granulated Cyanamid, 7 ; activity 

 compared with that of powdered 

 Cyanamid, 92, availability of, 

 96-99; solubility of, 95-96. 



Guanidine, 9. 



Gunning method in Cyanamid an- 

 alysis, 19. 



Hall, A. D., 60. 



Haloid acids, 12. 



Hardening powders, 9. 



Haselhoff, E., 73. 



Hazard, fire and water, of Cyana- 

 mid, 102-106. 



Headden, 72. 



Heat, effect of on Cyanamid, 102- 

 106. 



Heat, effect on conversion of dical- 

 cium to tricalcium phosphate 

 91, 92. 



Heating soil, effect on cyanamide 

 decomposition, 49. 



Henschel, G., 11, 22— decomposi- 

 tion products in exposed Cyana- 

 mid, 30, 31. 



