pp. and carbo- 

 nates 

 soluble 



no action cold 

 pp. and carbs. 



.soluble 



insdliible 

 soluble 

 soluble 



pp. 

 no pp. 



pp. basic pp. hot (not 

 cold) 



I no pp. 

 nopp.neut. 



no pp. 



no pp. 



pp. basic 

 idem, 



no pp. 



no pp. 



no pp.' 

 cloud 



pp. 



pp. 



^ive red com- 



jiound 



soluble 



soluble 



pp. neutral 



pp. basicf 

 no pp. 



TABULAR SU.MMARY. 



Sulphuric .Vcid, Concentrated. 



[§ 31 Akte.misia. 



pp. difficultly 

 soluble 



yellowish- brown 



decolourized 



strong acids pp. from solution 



yellowish-brow n 

 magnificent red on slow evapora- 

 tion 



yellow 



(acids pp. from alkaline solution) 



pale 



yellow 



PP- 

 salt diflf. sol. 



dark green 

 blue becoming greenish 



brown~<-green'>«'blue 

 (sulphate crystalline) 



oxidizes 



pbospho-molybdic acid, Mayer's solution, 

 etc. 



(silver citrate reduced) 



chlorine or bromine water 



(ferric chloride, blue colour) 



charac. odour with warm dilute acid 



no pp. usual reagents 



insoluble dilute acids 

 (violet with alcoholic HCl) 



phospho-molylidic acid, Mayer's solution, 

 etc. 

 Mayer's solution, potassic iodide, etc. 



(ferric chloride, red colour) 



(ferric chloride, deep red colour) 



(Fehling's solution not reduced) 



silver nitrate, mercuric chloride 



(Friihde, brown ~vviolet-blue) 



(blue fluorescence) 



' The free alkaloid gives pp. 



+ Alcoholic solution. 



