WRITINGS OF CYRIL GEORGE HOPKINS 



Compiled by Louie Henrie Smith 



1893 Decomposition of Diazobenzene Sulfate in Isoamyl Alcohol. (With 



Wm. R. Orndorff) Amer. Chem. Journ., vol. 15, p. 518. 



1894 Analyses of Commercial Fertilizers. (With W. C. Garrard) ///. State 



Ed. Agr. Rpt., 1892-4, p. 13. 



1896 Composition and Digestibility of Corn Ensilage, Cow Pea Ensilage, 



Soja Bean Ensilage, and Corn Fodder. ///. Agr. Exp. Sta. Bui. 43. 



On the Determination of the Acidity of Milk and Cream. (With 

 W. A. Powers) Proc. 12th Ann. Con. of A. O. A. C., 1895, U. S. 

 Dept. Agr., Div. Chem. Bui. 47, p. 125. 



A New Safety Distillation Tube for Rapid Work in Nitrogen Deter- 

 mination. Journ. Amer. Chem. Soc., vol. 18, p. 227. 



1897 Special Instructions for Taking Samples of Sugar Beets for Analysis. 



(With P. G. Holden) ///. Agr. Exp. Sta. Circ. 3. 



1898 The Sugar Beet in Illinois. (With Perry G. Holden) ///. Agr. Exp. 



Sta. Bui. 49. 



The Chemistry of the Corn Kernel. ///. Agr. Exp. Sta. Bui 53. 

 Special Instructions for Taking Samples of Sugar Beets for Analysis. 



///. Agr. Exp. Sta. Circ. 12. 



The Oil of Corn. Journ. Amer. Chem. Soc., vol. 20, p. 948. 

 Some Errors in the Determination of Nitrogen. Journ. Amer. Chem. 



Soc., vol. 20, p. 961. 

 A Condenser for Extraction Work. Journ. Amer. Chem. Soc., vol. 20, 



p. 965. 



1899 Improvement in the Chemical Composition of the Corn Kernel. ///. 



Agr. Exp. Sta. Bui. 55. 



How to Ignite a Hydrogen Jet with no Possibility of Exploding the 

 Generator. (Note) Journ. Amer. Chem. Soc., vol. 21, p. 634. 



The Incandescent Electric Lamp as a Source of Heat in Ether Extrac- 

 tion. Journ. Amer. Chem. Soc., vol. 21, p. 645. 



Improvement in the Chemical Composition of the Corn Kernel. Journ. 

 Amer. Chem. Soc., vol. 21, p. 1039. 



A Plea for a Scientific Basis for the Division of Soil Particles in 

 Mechanical Analysis. Proc. 15th Ann. Con. of A. O. A. C., 1898, 

 U. S. Dept. Agr., Div. Chem. Bui. 56, p. 64. 



A Rapid Method of Mechanical Soil Analysis, Including the Use of 

 Centrifugal Force. Proc. 15th Ann. Con. of A. O. A. C., 1898, 

 U. S. Dept. Agr., Div. Chem. Bui. 56, p. 67. 



Die Bestimmung von Kohlenoxyd, Methan, und Wasserstoff durch 

 Verbrennung [The Determination of Carbon Monoxid, Methane, 

 and Hydrogen by Combustion]. (With L. M. Dennis) Zeitschrift 

 fur Anorganische Chemie, vol. 19, p. 179. Also Journ. Amer. 

 Chem. Soc., vol. 21, p. 398. 



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