616 PRACTICAL ORGANIC AND BIO-CHEMISTRY 



Sodium bisulphite so- 

 lution (sat.}. 



Sodium chloride solu- 

 tion (sat.). 



Sodium fluoride solu- 

 tion. 



Sodium hypobromite 

 solution. 



Sodium sulphate solu- 

 tion : sp.gr. 1030. 

 sp.gr. 1035. 

 sp.gr. 1040. 

 sp.gr. 1045. 

 sp.gr. 1050. 

 sp.gr. 1055. 

 sp.gr. 1060. 

 sp.gr. 1065. 

 sp.gr. 1070. 



Stoke s reagent. 



Schweitzer's reagent. 



Tannic acid solution. 



Tartaric acid solution 

 (sat.). 



Trichloracetic acid 

 solution. 



Uffelmann's reagent. 



600 gm. sodium bisulphite are dissolved in water and 

 made up to i litre. 



370 gm. sodium chloride are dissolved in water and made 

 up to i litre. 



20 gm. sodium fluoride are dissolved in water and made 

 up to i litre. 



25 c.c. bromine are added to 100 gm. caustic soda 

 dissolved in 250 c.c. water. 



40 gm. sodium sulphate are dissolved in 520 c.c. water. 



45 g m - 

 50 gm. 



55 gm. 

 70 gm. 

 85 gm. 

 90 gm. 

 95 gm. 

 loogm. 



5 10 c.c. 



500 c.c. 



5ooc.c. 



500 c.c. 



500 c.c. 



500 c.c. 



500 c.c. 



500 c.c. 



30 gm. ferrous sulphate\are dissolved in water and 

 20 gm. tartaric acid / made up to i litre. 

 When required for use, strong ammonia is added until 

 the precipitate first formed is redissolved. 



Ammonium chloride and caustic soda are added to a 

 solution of copper sulphate. The blue precipitate is 

 filtered off, washed, pressed and dissolved in am- 

 monia of sp. gr. '92. 



i oo gm. tannic acid 

 25 gm. sodium acetate 

 25 gm. sodium chloride 

 50 c.c. glacial acetic acid 



750 gm. tartaric acid are dissolved in water and made 

 up to i litre. 



100 gm. trichloracetic acid are dissolved in water and 

 made up to i litre. 



Ferric chloride solution is added to 2 per cent, phenol 

 solution till it is of a violet colour. 



are dissolved in water and 

 made up to i litre. 



ORGANIC REAGENTS. 



Acetic anhydride. 

 Acetone. 

 Alcohol. 

 Amyl alcohol. 

 Benzoyl chloride. 

 Chloroform. 

 Ether. 

 Glycerol, 



Orcinol. 



Petroleum. 



Phenylhydrazine. 



Phenylhydrazine hydrochloride. 



Phloroglucinol. 



Resorcinol. 



Toluene, 



