522 



SEC. 13. CHEMISTRY. 



Sample of the first Boron ever made, 



Bo. 

 Aluminium, Al. 



Urea, CO(NH 2 ) 2 . 

 Wolfram phosphide. 

 Silicon-calcium. 



Amorphous Silicon, from Silicon- 

 hydride. 



Titaniumcyanochloride TiCI 4 CNCl. 

 Chromic oxide Cr 2 O 3 . 

 Cyanotitanummitride Ti 5 CN 4 . 

 Crystal of Arsenous anhydride 



As 3 O 3 . 



Silicon-Nitride. 

 Phosphoruscyanide P(CN) 3 . 



* Bariumorthonitrobenzoate 



(C 6 H 4 (NO 2 )(N0 2 )COO) 2 Ba + 

 3H 2 O. 



* Ethylorthonitrobenzoate 



C 6 H 4 (N0 2 )oCOOC 2 H 5 . 

 Sodiummetanitrobenzoate 



* Ethylmetanitrobenzoate 



CeH 4 (N0 2 )COOC 2 H 5 . 



* Bariuminetanitrobenzoate 



(C 6 H 4 (NO 2 )COO) 2 Ba + 4H 2 O. 



* Bariumparanitrobenzoate 



(C 6 H 4 N0 2 )PCOO) 2 Ba + 5H 2 O. 

 *Ethylparanitrobenzoate 



C 6 H 4 (NO 2 )PCOOC 2 H 5 . 

 Sodiumsulphbenzoate 



C 6 H 4 COOHSO 2 ONa. 

 Orthonitrobenzanilide from Benzani- 



lide C 6 H 4 | NI | (COC6H5) 



Metanitrobenzanilide, from Benzani- 



lide C 6 H 4 | N] | (CO C 6 H 5 ). 



Paranitrobenzanilide, from Benzani- 



lide 



Parabromtoluene C 6 H 4 CH 3 BrP. 



C 6 H 4 (NO 2 ) m COONa + 3H 2 O . 



Those bodies marked with * are prepared for the crystallographic investiga- 

 tion of isomeric compounds. 



Gottingen ; Universitdts Laboratorium (Prof. Wohler and 

 Prof. Hubner). 



1. Triacetonamine. 



2. Triacetonamine nitrate. 



3. Triacetonamine sulfate. 



4. Triacetonamine oxalate. 



5. Triacetonamine bioxalate. 



6. Chlorhydrate of Triacetonammo- 



nium-platinochloride. 



7. Chlorhydrate of Triacetonammo- 



nium-platinchloride. 



Prof. Dr. W. Heintz, Halle a. S. 



Metallic modification of phosphorus ; the crystalline leaves are on lead and 

 isolated from the lead by means of diluted nitric acid. 



Prof. W. Hittorf, Munster, Westfalia. 



8. Diacetonamine nitrate. 



9. Diacetonamine binoxalate. 



10. Chlorhydrate of Tri-isotriaceton- 



ammoniumplatinochloride. 

 Diacetonammoniumplatino- 



chloride. 

 Diacetonic alcohol. 



11 



12 



1. Dimethylammonium chloride. 



2. Trimethylammoniumchloride. 



3. Tetramethylammoniumiodide. 



4. Diethylamine. 

 .5. Triethylamine. 



6. Tetraethylammoniumiodide. 



7. Ethyl en diaminchlorhydrate. 



8. Monophenyloxamide. 



9. Phenylated diacetamide. 



10. Formamide. 



11. Phosphoniumiodide. 



12. Ethylphosphiniodide. 



13. Dibenzylphosphinc. 



14. Ethenyldiphenyldiamine. 



15. Melaniline. 



1 6 . Melanilinnitr ate . 



17. Melanilinsulphate. 



1.8. Diphenylparabanic acid. 



19. Ethylic sulfocyanate (Ethyl- 



mustardoil). 



20. Methylic sulfocyanate (Methyl- 



mustard oil). 



21. Phenylic sulfocyanate (Phenyl- 



mustardoil). 



22. Allylacetate. 



23. Allylalcohol. 



24. Allvlamine. 



25. Allylsulphide. 



26. Carbanilide. 



27. Sulphocarbanilide. 



