92 P. T. CLEVE, 



1 3NH 



Cadmium-triammine R = Ccl| 3NH 3 



1. Chloride RCV) 



2. lodide RI 2 2 ) 



3. Sulphate R . S0 4 3 ) 



Cadmium-diammine R=^ Cd| 2N H 3 



1. Bromide RBr 2 4 ) 3. Chromate R . O0 4 + 3H 2 7 ) 



2. Sulphate 2(R . S0 4 ) + 5H 2 5 ) 4. Hyposulphate R . 2 . S 2 4 8 ) 



b. R.S0 4 + 3H 2 O e ) 



Cadmium-monodiammine R=Cd{' 

 1. Bromate R.2Br0 3 9 ) 



NH, 



Compounds containing Cd + 2NH 3 =R. 



1. Chloride RC1 2 10 ) 5. Platoeyanide R . Cy 4 . Pt 14 ) 



2. Bromide R . Br 2 u ) 6. Sulphate with sulphate of cad- 



3. 2bdufo RI 2 12 ) mi - ttni f n{° o ■ f o > ■ ° o pi is) 



4. Sulphocyanate R(CyS)j 13 ) 



K. Ammoniacal compounds of Zinc. 

 All the known ammoniacal compounds of Zinc may be taken for derivates of four 

 different radicles, viz: 



f.3NII 3 



1. Zn"| 3NH Zmc-tnammine 



2. Zn{ 2 NH 3 Zinc-di-triammine 



r2NH 3 



o. Zn| 2 N H Zinc-diammine 



4. Zn + 2NH 3 of unknown atomical coinposition. 

 The known ammonio-compounds of zinc are the following: 



I. R=Zn{ 3NH * 



1. Chloride RC1 2 16 ) 2. 7odid« RI, ") 



TT T> 7 i 3NH 3 



II. R = Zn{ 2NHi 



1. Chloride RC1 2 + H 2 O 18 ) 2. Sulphate R.S0 4 19 ) 



*) Schcler, Ann. der Ch. u. Phavm. 87 p. 43. 1853. 2 ) Rammelsberg Pogg. Ann. 48. p. 154. 1839. 

 3 ) Rose, Pogg. Ann. 20. p. 152. 1830. 4 ) Rammelsberg, Pogg. Ann. 55, p. 242. 1842. 5 ) Muller, Ann. 

 der Ch. u. Pharrn. 149. p. 70. 1869. 6 ) Malaguti & Sarzeau Berzel. Årsb. 1844. p. 134. 7 ) Malag. & 

 Sarzeau 1. c. 8 ; Rammelsberg, Pogg. Ann. 58. p. 298. 1843. 9 ) Rammelsberg, Pogg Ann. 55. p. 75. 1842. 

 10 ) Croft, Berz. Årsber. 1843. p. 154. ll ) Rammelsberg, Pogg. Ann. 55. p. 242. 1842. '-) Rammelsberg, 

 Pogg. Ann. 48. p. 153. 1839. 13 ) Meitzendorff, Pogg. Ann. 56. p. 83. 1842. 14 ) Martius, Uber die Cy- 

 anverb. der Platinmetalle Göttingen 1860. p. 58. 15 ) Rammelsberg, Pogg. Ann. 67. p. 256. 1846. 16 ) Isam- 

 bert, Zeitschr. f. Ch. 4. p. 571. 1868. ") Rammelsberg, Pogg. Ann. 48. p. 152. 1839. 18 ) Divers, Journ. 

 f. Pr. Ch. 105. p. 316. 1868. 19 ) Rose, Pogg. Ann. 20. p. 149. 1830. 



