APR II] REAGENTS. 307 



Oxalic (saturated). 

 Trichloracetic (10 p.c.) 



Alkalis. 



Liquor Aromonise. 



Ammonium carbonate (saturated). 



Baryta-water "| 



Lime-water v (saturated). 



Strontia-waterl 



Soda (caustic) (2 p.c, 10 p.c. and 50 p.c.) 



Sodium carbonate (saturated). 



Copper acetate (10 p.c.) 



Copper sulphate (10 p.c.) 



Lead acetate (saturated). 



Basic Lead acetate (prepared by boiling 100 grs. of lead 



acetate and 70 grs. lead oxide (litharge) with 500 c.c. 



of water for half-an-hour and filtering). 

 Millon's reagent (mercuric nitrate and nitrous acid). 

 Potassium ferrocyanide (saturated). 

 „ ferricyanide (5 p.c.) 



„ nitrite (20 p.c.) 



Sodium acetate (20 p.c.) 

 Sodium phosphotungstate (saturated). 

 Ferric chloride (10 p.c.) 

 Bromine- water (saturated). 

 Litmus (neutral). 



Solutions in 98 p.c. alcohoL 



Mercuric chloride (saturated). 

 Thymol (saturated). 

 Phloroglucin (5 p.c.) 

 Phenolphthalein (3 p.c.) 



20—2 



