ON AMMONIACAL PLATINUM BASES. 



101 



11. 



b. Nitrate R . O, . 2N0 2 



c. Nitrite R . 2 . 2NO 



d. Sulphate R . 2 . S0 2 

 Sulphates a. R . 6 3S0 2 + 3H 2 ') 



b. R.0 6 3S0 2 + .5H 2 2 ) 



(ö 2 . so 2 



Jo.S0 2 .OH 



( - ^lo.sc.on + ^njU ; 



12. 



13. 



14. 

 15. 



16. 



17. 



18. 

 1!). 



20. 



21. 



•)•) 



<o 2 .so 2 

 Double sulphates with cerium 



a. cerous eompound R . 6 . 6S0 2 . 6 Ce 3 + 5H 2 4 ) 



b. ceric eompound R . G . 6S0 2 . 6 Ce 2 + 5H 2 4 ) 

 Chlor v sulphate with sulphate of ammonium 



R 10 5 .4SO,0 3 {NH 4 + 4H2()5) 



,jCL^Cl 2 (HgCl) 2 

 Lhloromercurate-sulphate Rs^ y<zn 4-rRf) 6S > 



I Rr 



Bromosul P hateR \o*.2So 2 . + m 2 o 7 ) 



Iodosulphate Rj^ _ 2 S0 2 + 2H 2 8 ) 

 Chromate R . 6 . 3Cr0 2 9 ) 

 Oxalate R . O c 3C 2 2 + GH 2 I0 ) 



Sulphite with sulphite of cobalt R . 6 . 6SO . G . Co 2 + 9H 2 ") 



|0 2 . so, 



O xalo sulphates a. R l oc 2 o! on + 2H 2 12 ) 



lo, so 2 " 



f0 2 . H 2 



1». Ro 2 .c 2 o 2 + 6H 2 13 ) 

 |o 2 . so 2 



[Cl. 

 Chlorooxalate R j^" 9 p .. 14 x 



Pyrophosphate \^ f0 3 . 2P 2 3 + 20H 2 O ,5 ) 



C. Dicobalt-diammine (Fuscocobalt) R=-Co 2 



HO 



■JM K 



2NH 3 



2NH 3 



2NH 3 



HO 



l ) Frémy, 1. c. p. 300. -) Gbnth & Gibbs, 1. c. p. 11. 3 ) Genth & Gibbs, 1. c. p. 30. 4 ) Wino, Bullet 

 de la Soc. ('him. de Paris 1870. II. p. 202. 5 ) Krok, 1. c. p. 19. 6 ) Krok, 1. c. p. 21. 7 ) Krok,1. c. p. 16. 

 s ) Krok, 1. c. p. 15. n ) Braun, 1. c. p. 1G8. 10 ) Genth & Gibbs, 1. c. p. 18. ") Kunzel, 1. c. p. 194. 

 12 ) Genth & Gibbs, 1. c. p. 32. 13 ) Genth cV Gibbs, 1. c. p. 33. ») Krok, 1. c p. 25. This oxalate was 

 tirst prepared by Genth & Gibbs, (1. c. p. 29), but tliev did not observe that it cotitained ehlorine. which was 

 discovered by Mr Krok. 15 ) Braun, 1. c. p. 171. 16 ) Frémy, 1. c. p. 288—291. 



