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IRON— 
Arsenious acid. 
1st Experiment 
2nd ,, 
Average . 
Arsenic acid. 
1st Experiment 
2nd ,, 
Average . 
PLATINUM— 
Arsenious acid. 
1st Experiment 
2nd ,, 
Average . 
ALUMINIUM— 
Arsenious acid. 
1st Experiment 
2nd ,, 
Average . 
Arsenic acid 
GOLD— 
Arsenious acid. 1 
1st Experiment 
2nd ,, 
3rd „ 
Average . 
Arsenic acid 
COBALT— 
Arsenious acid. 
1st Experiment 
2nd 
Average . 
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NICKEL— 
Arsenious acid. 
1st Experiment 
2nd 
Average . 
Arsenic acid 
PALLADIUM— 
Arsenious acid. 
1st Experiment 
2nd ,, 
3rd 
Average . 
