SEC. 13. CHEMISTRY. 



Selemite of copper CuSe0 4 + 5H 2 O. 

 Sulphate of copper-oxyde-ammonia 



Xanthogenate of potassium 



2 . 

 Arsenious acid crystallised from hot 



hydrochloric acid. 

 Iodide of arsenic, subl. As 2 I 3 . 

 Iodide of antimony, subl. SbI 3 . 

 Fused vanadic acid V 2 O 5 . 

 Acid vanadate of sodium 



Na 2 V 4 O u + 9H 2 O. 

 Acid vanadate of ammonium 

 (NH 4 )2V 4 O n 



Molybdic acid, subl. MoO 3 . 

 Ti taniumses qui chloride Ti 2 Cl 

 Acetate of calcium and copper 



(C 2 H 3 2 ) 2 Ca-| 

 (C 2 H 3 2 ) 2 Ca| 

 Sulphoearbonate of potassium 



CS< 



Sulphoearbonate of sodium 



SK 

 SK 



CS< 



Xanthogenate of sodium 



SNa 



SNa 



Hippuric acid 



Carbonate of guanidine 



CH 5 N 3 H 2 C0 3 . 

 Levulmate of calcium 



(C 5 H 7 3 )2Ca + 2H 2 0. 

 Nitrate of cy tisine. 

 Lithofellinic acid 000113604. 



Phthalic anhydride C 6 H 4 j JO. 



( S5~S 6 5 5 ' 



I t-'Ai (j 6 tl. 



C 6 H 3 (C 6 H S ) 3 . 



Stilbene, common 



Triphenylbenzene 

 Styracene C 9 H 7 O 2 -C 9 H 9 . 

 Nitrosodimethylaniline 



C 6 H 4 (NO)N(CH 3 ),. 

 Nitrosodimethylauiline aniline 



[C,H 4 (NO)N(CH 8 ),],+ C H 5 NHo. 

 Phenanthrene C 14 H 10 . 

 Acetophenon C 6 H 5 , CO, CH 3 

 Benzophenon C 6 H 5 , CO, C 6 H 5 . 



Cases containing 64 preparations of the metals and other elements. 



Dr. Theodor Schuchardt, Gorlitz in Silesia. 



Conifcrin C 16 H 2w M 



Vanillin C 8 H 8 O 3 , small crystals are 

 in this shape, the commercial pro- 

 duct. 



Vanillin C 8 H 8 O 3 , slowly crystallised 

 from dilute solutions. 



Vanillin C 8 H 8 O 3 , from residues of 

 the artificial preparation of vanil- 

 lin, and sublimed in the same 

 manner as the vanillin of the 

 Vannilla pods at the ordinary tem- 

 perature. 



Vanillic acid, slowly crystallised from 

 dilute solution. 



Vanillic acid C 8 H 8 O 4 , finely crystal- 

 lised as commercial commodity. 



Sugar-vannillic acid C 14 H 18 O 9 , pre- 

 pared by Reimer and Tiemann. 

 The compound is crystallised in the 

 bottle itself. 



Acetoeugenol C 12 H 14 O 3 , prepared by 

 Nagai and Tiemann. 



Ferulic acid C 10 H 10 O 4 , prepared by 

 Nagai and Tiemann. The above 

 acid is prepared synthetically from 

 Vanilla ; the white opaque crystals 

 are re-crystallised from alcohol, 

 the yellowish brilliant from water. 



Tiemann, F. Di\ 9 and Haarmann, Dr. W., Berlin and 

 Holminden. 



Allylic- Alcohol \ CH. 



|.CH 2 OH. 

 Prepared by distilling glycerine with oxalic acid and traces of sal ammoniac. 



To liens, B., Professor, Got tin gen. 



Chromic acid. 



Molybdic acid, fused and sublimed 



specimens. 

 Molybdic acid, fused. 



Molybdic acid, sublimed. 

 Selenious acid. 

 Tellurous acid. 

 Tungstic acid. 



