Iron
Dilute nitric acid
Platinum
Sulph. of Potassium (1812)
Full current

Iron
Dilute nitric acid
Platinum
Red nitric acid
Full current

Iron
Dilute nitric acid
Platinum
Pale nitric acid, strong
Good

Iron
Dilute nitric acid
Platinum
Green nitrous acid
Very powerful

Iron
Dilute nitric acid
Platinum
Iodide of potassium
Full current

Iron Iron
Dilute sulphuric acid Dilute sulphuric acid
Platinum Platinum
Sulphuret of potassium Red nitric acid
Full Good

Iron
Muriatic acid
Platinum
Green nitrous acid
Most powerful

Iron
Dilute muriatic acid
Platinum
Red nitric acid
Good

Iron
Dilute muriatic acid
Platinum
Sulphuret of potassium
Good

Iron
Solution of salt
Platinum
Green nitrous acid
Most powerful

Iron
Common water
Platinum
Green nitrous acid
Good

Zinc
Dilute nitric acid
Platinum
Iodide of potassium
Good

Zinc
Muriatic acid
Platinum
Iodide of potassium
Good

Cadmium
Dilute nitric acid
Platinum
Iodide of potassium
Good
w

Cadmium
Muriatic acid
Platinum
Iodide of potassium
Good
o o

Lead
Dilute nitric acid
Platinum
Iodide of potassium
Good
00

Lead
Muriatic acid
Platinum
Iodide of potassium
Good

Copper
Dilute nitric acid
Platinum
Iodide of potassium

Copper
Muriatic acid
Platinum
Iodide of potassium

Lead
Strong sulphuric acid
Iron
Dilute sulphuric acid
Strong

Tin
Strong sulphuric acid
Iron
Dilute sulphuric acid
Strong

Copper
Sulphuret of potassium
Iron
Dilute nitric acid
Powerful

Copper
Sulphuret of potassium
Iron
Iodide of potassium

Copper
Strong nitric acid
Iron
Dilute nitric acid
Very powerful

Copper
Strong nitric acid
Iron
Iodide of potassium

Silver
Strong nitric acid
Iron
Dilute nitric acid
Strong

Silver
Strong nitric acid
Iron
Iodide of potassium
Good

Silver
Sulphuret of potassium
Iron
Dilute nitric acid
Strong

Tin
Strong sulphuric acid
Copper
Dilute sulphuric acid

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