654 



SEC. 13. - CHEMISTRY. 



2463. Carbolic Acid, chemically pure, free from taste and 

 smell of tar, and fusing at 108 Fahrenheit. Specially prepared for 

 internal medicinal use. F. C. Culvert fy Co. 



2464. Carbolic Acid, crystallised, fusing at 95 Fahrenheit. 

 Specially prepared for external medical application. 



F. C. Calvert fy Co, 



2465. Cressylic Acid, used for disinfecting purposes. 



F. C. Calvert fy Co. 



2466. Sulpho-Carbolates. A series of pharmaceutical pro- 

 ducts, comprising sulpho-carbolates of potash, soda, ammonia, 

 lime, iron, copper, and zinc, F. C. Calvert 3? Co. 



2467. Carbolic Acid Preparations, comprising carbolic 

 acid soap, carbolic acid disinfecting powder, and carbolised tow. 



F. C. Calvert $ Co. 



2468. Picric Acid Crystals and paste, Aurine (rosolic acid). 

 Used in the arts. F. C. Calvert $ Co. 



2475. Chemicals for use in various Manufactures. 



Liquid archill, made from Orchella weed, for dyers and 



printers. 

 Sulphate of alumina, for sugar refiners, paper makers, and 



dyers. 



Aluminous cake, for paper makers. 

 Cudbear, made from Orchella weed, for dyers. 

 Bichromate of potash, with samples of chrome ore, limestone, 



and sulphate of potash, from which it is made. 



W. J. Norris and Brother. 



2476. Aniline and other Chemical Products used for 



Dyeing. 



Rosaniline base - - 

 Rosaniline hydrochlorate - 

 Crysaniline 



Methyl-rosaniline acetate - 

 Tri-methyl rosaniline acetate 



Brooke, Simpson, and Spiller. 



Commercial Name. 



H 2 O 



C2oH 17 N 3 



rCaoHie 

 - ] QJJ S 

 CCH 3 



Roseine crystals. 

 Phosphine. 



} C * H S* Hofmann violet. 



Phenyl-rosaniline hydrochlorate 



Tri-phenyl-rosaniline hydrochlo- 

 rate -.- 



CH 3 

 {c$? 5 18 



: jif 



(.C 6 H S 



N 3 c 2 H 3 O 2 Eclipse violet. 



Spiller purple. 

 Imperial violet. 

 Pure opal blue. 



} HC1 



HC1 



