438 
PROFESSOR J. W. MALLET ON THE ATOMIC WEIGHT OF GOLD. 
Third Series. 
(Agi, : An : : 430’64 : x.) 
Experiment. 
Silver, 
Gold. 
At >mic Tveiglit of gold. 
1 . 
grm. 
12-4851 
grm. 
5-7048 
196-772 
II. 
17-4193 
7-9012 
196-817 Highest value 
III. 
5-3513 
2-4455 
196-799 
IV. 
9-1153 
4-1632 
196-685 Lo-v-est value 
44-3710 
20-2747 
196-775 
1 
Fourth Series. 
(N(CH 3 ) 3 HCl 4 ; Au : : 201-40 : x.) 
Experiment. 
Loss by ignition of 
trimetlivl-animonium 
anri-chloride. 
Gold. 
Atomic -R-eiglit of gold. 
grm. 
grm. 
I. 
7-5318 
/ *o / o4i 
197-218 
11 . 
7-8432 
7-6831 
197-289 Highest value 
III. 
5-2811 
5-1712 
197-209 
i IV. 
3-3309 
3-2603 
197-131 Lo-west value 
V. 
2-8165 
2-7579 
197-210 
j 
1 
i 
26-8035 
26-2479 
197-225 
Fifth Series. 
(Ag : Au : : 107-66 : x.) 
Experiment. 
Silver. 
Gold. 
Atomic weight of gold. 
I. 
grm. 
2 8849 
2:rm. 
5 2721 
196-747 
11 . 
3-4487 
6-3088 
196-945 Highest value 
HI. 
2-3393 
4-2770 
196-837 
IV. 
1-9-223 
3-5123 
196-709 Lo-u-est value 
V. 
2 0132 
3-6804 
196-817 
12-6084 
23-0506 
196-823 
