On some Combinations of Plalina. -35» 



o I .010= Fahrenheir, were cautiously heat- 

 from 100° oabou 21 \^J^^„^,, ',,,3 obtau.ed, and the 

 ed in a small iila-.5 Jt-ioii, ^^^'^ -/ 



,.,b.,a„cc- now -"g^'=,'| ,;,^;',,f X'bove .8-. ...ins) .vere 



, ^"''''■'" ■" J a'tTrl at m a s,nall rctor,, and furmshcd 



the tuMowing products : , ^ c = 



Me,ali>cpla.ina,wUh sulphate of soda -65 



Oxvgene gas 2-35 cub. mches = .... 080 



W aler • • _, 



9-00 

 rrt^Priment 3.-9 grains (of the above iS-2 grains) were 



rhe following resuUs : . , , ac 



Metallic platina, with sulphate of soda 7-6S 



O.xygene gas 2.40 cub. mches - »! 



Water , 



9-00 

 The metallic platina and sulphate of soda, from the two 



;:: :;;^n:,t".r;00 .rai^TJa ..^ph^eo. p,au.aap. 



pear to consist of 



Plalina 77'77 



Oxvgene ^^f 



Sulphate ot soda t ^^ 



Witcr __^ 



1 00-00 



O,. previous to ,l>e exp.Uion of a pan of ... water b, 



X , rA Oxide of nlatma 84- iG 



^'^'^'"^ Sulphate of soda 7-11 



Water ^'^^ 



100-00 



--T,',;:viravr£r,,,;ira:vrara:i^. 



\, .rains of soda '"ll'''f. " , ^'^^^^ "[j,' „po,...5ed at I 



[;;:--:!,'£ "b;.i"r.;fo'ra''ira^au...^"<'»ff<''^'^ 



ilic fuUowuig results : ^ ^ Oxygen* 



