30 ART. 15,— TAMEMASA HAGA. 



III. 02288g. substance gave 01451g. potassium sulphate ; 

 0*1 003g. gave 0*1 7 10g. barium sulphate. 



IV. O8505g. substance gave 0'5347g. potassium sulphate ; 

 0"34475g. gave 0'5799g. barium sulphate ; 2* 4425g. by sodium 

 amalgam treatment and hydrolysis at 150° for 3 hours, gave 

 ammonia=51*38c.c. N/10 acid ; 0'7650g. by the Dumas method 

 cave 22*3. c.c moist nitrogen at 16° and 758mm. 



Potassium. Sulphur. Nitrogen. Water. 



Found; I., 28-25 f 18 ~ <* 89 ) 



(23-05 (4-65) 



II., 28-24 23-07 3'37 



III., 28-47 23-42 



IV., 28-23 23-12 



(2-95) 



ô-ô: 



Meaa, 28*30 23-18 3*38 (4-77) 



Calc. for 1/1 H,0, 28-95 23-71 3-4(5 4-49 



„ 3/2 H 2 0, 28-32 23-19 3-39 ß-52 



Fremy, 28'02 23-40 3'48 



Clans, found (taking old at opnic. weights.) 



28-63 3-24 5-04 



28-55 ■ 5-20 



55 55 



55 55 



28-G7 23-69 5*01 



28-79 23-76 3*31 4'71 



Claus, mean, 28-60 23'73 3'28 4'99 



„ calc. (old at. wts.), 28*88 23'70 3'45 4'44 



Raschig, 28-47 23*64 



28-54 23-38 



Clans has also given the results of five closely concordant 

 analyses of the anhydrous salt, and should therefore have experienced 



no difficulty in rendering it anhydrous. In the attempts to deter- 



