ON AMMONIACAL PLATIKUM B ÅSES. 99 



ici 



17. Chlorosulphate wi'h platinic chloride R 4 2SO,. CL^PtCl. l ) 



[Cl 



f C1 



18. Chlorosulphate with mercuric chloride R(0 4 . 2SO_. . Cl 2 (Hg Cl), 2 ) 



[Cl 



I 1 



19. Jodosulphate R 4 . 2SO, ') 



II 



20. Ch ro mate R . O c . 3Cr 2 + 5H 2 O 4 ) 



[Cl 



21. Chlorochromate R 4 . 2Cr 0,+ 14H S 5 ) 



[Cl 



22. Carbonate a. R . O, . 3C0 + 7H, O G ) 



b. R.0 6 .3CO + CO(HO) ä + 5H 2 6 ) 



23. Oxalate R . O e . 3C 2 O, + 4H 2 O 7 ) 



24. Phosp/iate a. R . 6 . 2P0+ 8H..0 *) 



b. gg}o 24 .8PO + HH 2 8 ) 



25. Pyrophospliate ^|0 2 , . 5P 2 3 + 39H 2 9 ) 



2NH 3 



fZi.\XJ 3 



B. Dicobalt-ditriammine R=CoJqvh 3 



3NH 3 



2NH, 



Syn. Roseo cobalt, Purpureo Cobalt (anhydrous or basic salts), Xanthocobalt and 

 Flavocobalt (nitrous double-compounds). 



1. Chloride a. RC1 6 I0 ) 



b. RC1 G + H 2 0") 



ICI 

 2. Chloroplatinate a. R{Cl/"X» 4 (PtCl 2 ) 2 u 



) 

 Cl 

 b. RCl 6 ^C] 6 (PtCl 2 )3+8H 2 13 ) 



'6 



3. Cobalt icyanide R . Cy 12 . Co, + 3H 2 O ' 4 ) 



4. Ferricyanide R . Cy 12 . Fe, + 3H 2 15 ) 



}) Krok, 1. c. p. 11. '-) Krok, 1. c. p. 9. :i ) Krok, I. c p. 3. 4 ) Braun, 1. c. p. 183. 5 ) Braun, 

 1. c. p. 184. 6 ) Genth & Gibbs, 1. c. p. 46. 7 ) Geni-h & Gibbs, 1. c. p. 4G. 8 ) Braun, 1. c. p. 185. 

 9 ) Braun, 1. c. p. 189. 10 ) Genth & Gibbs, 1. c p. 22. Krok, 1. c. p. 24. u ) Genth & Gibbs, 1. c. p. 7. 

 V1 ) Frémy, 1. c. p. 301. Krok, 1. c. p. 17. 1:J ) Genth & Gibbs, 1. c. p. 28. H ) Genth & Gibbs, 1. c. p. 11. 

 Mr Braun, (1. c. p. 153) has given the formula RC1 6 + 4PtCl 4 + 4H 2 for the double chloride, but as he has 

 only detcrrained the water and platinum + cobalt, the formula is at the least uncertain. lj ) Genth & Gibbs, 1. 

 c. p. 18. Braun, 1. e. p. 160. 16 ) Genth & Gibbs, 1. c. p. 19. 



