SIXTH ANNUAL RECEPTION. ' 73 



11. Phenyldimethylpyrazolone-sulphonic Acid (crude). 



a. Morphine Phenyldimethylpyrazolonesulphonate. 



b. Codeine Phenyldimethylpyrazolonesulphonate. 



c. Caffeine Phenyldimethylpyrazolonesulphonate. 



d. Quinine Phenyldimethylpyrazolonesulphonate. 



e. Barium Phenyldimethylpyrazolonesulphonate. 

 Exhibited by Ludwig H. Reuter. 



12. Five Samples showing the Manufacture of acetyl de- 



rivatives OF Sulphonates of Phenols. 

 Exhibited by Ludwig H. Reuter. 



13. Carbolic Acid (Merk & Co.) Remaining Perfectly white 



UNDER USUAL PRECAUTIONS IN KEEPING. 



Exhibited by Ludwig H. Reuter. 



14. a. Hexamethylenetetramine Sulphate. 



b. Hexamethylenetetramine ethysulphate. 

 Exhibited by Ludwig H. Reuter. 



15. A Series of the Approximate Constituents of Trinidad 



Lake Asphalt. Exhibited by Chfford Richardson. 



16. Phenols from California Petroleum. 



Exhibited by Clifford Richardson. 



J/. A Soap Containing 25 to 30/0 of Kerosene. Exhibited 

 by Hermann Poole and Ralph W. Bailey. 



a. A soap containing 40^0 of paraffine oil. 



b. A soap containing 50^ paraffine wax. 



c. An ointment, base Permol, which will not become 

 rancid. 



d. Various ointments with base Permol. 



e. A solid ammonia soap. 



Exhibited by Hermann Poole and Ralph W. Bailey. 



18. Tellurium Extracted by Sugar. 



a. Raw material. 



b. Pure tellurium oxide. Exhibited by Victor Lenker. 



19. Colorimeter. 



Exhibited by Jerome Alexander. 

 :20. Apparatus for Testing for Alum in Water Filtration. 

 Exhibited by C. A. Doremus. 



