256 DR ANDERSON ON THE PRODUCTS OF THE 
cent., and which were obviously mixtures of the picoline and lutidine salts. When 
the last mother liquor, however, was evaporated to a small bulk, and alcohol and 
ether added, another salt altogether distinct from that of picoline, and crystal- 
lizing in flattened tables, was deposited, which analysis proved to have the con- 
stitution of the lutidine salt. 
This platinum salt crystallizes from its solutions in square tables, sometimes 
very distinct, at other times confused and irregular. It dissolves very readily 
in cold water, and still more abundantly in boiling, and appears also to be very 
easily soluble in excess of hydrochloric acid. Numerous analyses of this salt 
were made, of which the following are the results :— 
No. 1. This was the analysis of the salt prepared from the oil distilling between 
315° and 325° in the seventh rectification. 
6:187 ... of carbonic acid, and 
6°377 grains of the platinochloride gave 
1915 .... of water. 
6-810 grains platinochloride gave 2:146 grains platinum. 
6-476 306 een 2-051 aie 
No. 2. Portion of the oil distilling between 295° and 300° in the fourteenth 
rectification ; the platinum salt of picoline was separated by crystallization, and 
the salt analysed precipitated by alcohol and ether. 
7-906 grains gave 2°491 grains platinum. 
7-835 ... of the salt recrystallized gave 
2470 ... of platinum. 
No. 8. Another preparation from the same portion of oil. 
7330 grains of platinochloride gave 
7-070 ... of carbonic acid, and 
2:090 ... of water. 
6-830 grains gave 2°155 grains platinum. 
No. 4. Portion of the oil boiling between 300° and 305° in the thirteenth recti- 
fication. 
7401 grains gave 2:328 grains platinum. 
No. 5. Portion boiling between 325° and 335° in the seventh rectification. 
7-194 grains gave 2:256 grains platinum. 
If. Il. III. IV. Vv. 
anne —_—_——~. 
Carbon, c 26°41 oo at oe 26°30 
Hydrogen, . 3°33 nit she Bae 3°16 = ae 
Platinum, . 31°51 31:67 31:50 31:52 31:55 31°45 31°35 
These results correspond very closely with the formula C,, H, N HCl Pt Cl,, of 
which the following is the calculated result compared with the mean of experi- 
ment. 

