COMPONENT PARTS IN PERCENT
BY WEIGHT OF SALTS COMMONLY USED IN ELECTROPLATING
The following table indicates the percentages of the metal, sulfate, chloride, etc., in
the commercial grades of the various chemicals most commonly used in electroplating
solutions. The quantity of a chemical to be added to produce the desired increase in metal
content, chloride content, etc., per gallon can be readily calculated from this table.
| Ammonium Bifluoride,
NH4HF2 |
|
|
|
NH4 |
31.6% |
|
|
|
| Ammonium Chloride,
NH4Cl |
|
|
|
NH4 |
33.7% |
|
Cl |
66.3% |
|
|
|
| Antimony
Trichioride, SbCl3 |
|
|
|
Sb |
53.4% |
|
Cl |
46.6% |
|
|
|
| Arsenic Trioxide, As2O3 |
|
|
|
As |
75.7% |
|
O |
24.3% |
|
|
|
| Cadmium Cyanide,
Cd(CN)2 |
|
|
|
Cd |
68.4% |
|
CN |
31.6% |
|
|
|
| Cadmium, Oxide, CdO |
|
|
|
Cd |
87.5% |
|
O |
12.5% |
|
|
|
| Cadmium Sulfate,
CdSO4 |
|
|
|
Cd |
54.0% |
|
SO4 |
46.0% |
|
|
|
| Chromic Acid, Cr03 |
|
|
|
Cr |
52.0% |
|
|
|
| Cobalt Sulfate, CoSO4
. 7H2O |
|
|
|
Co |
20.9% |
|
SO4 |
30.0% |
| Copper Carbonate, Basic CuCO3
. Cu(OH)2, (Approximate) |
|
|
| |
Cu |
53.5% |
| |
CO3 |
34.8% |
| |
|
|
| Copper Cyanide, CnCN |
|
|
| |
Cu |
70.9% |
| |
CN |
29.1% |
| |
|
|
| Copper Fluoborate*, Cu(BF4)2 |
|
|
| |
Cu |
26.8% |
| |
|
|
| Copper Pyrophosphate, Cu2P2O7
. 3H2O |
|
|
| |
Cu |
35.8% |
| |
P207 |
48.9% |
| |
|
|
| Copper Sulfate, CuSO4
5H2O |
|
|
| |
Cu |
25.4% |
| |
SO4 |
38.4% |
| |
|
|
| Gold Chloride, AuCI3.
2H2O |
|
|
| |
Au |
58.0% |
| |
Cl |
31.4% |
| |
|
|
| Gold Potassium Cyanide, KAu(CN)2 |
|
|
| |
Gold |
68.3% |
| |
|
|
| Indium Chloride, InCI3 |
|
|
| |
In |
51.9% |
| |
|
|
| Indium Sulfate, In2(SO4)3 |
|
|
| |
In |
66.5% |
| |
|
|
| Iron Chloride, Anhyd., FeCI3 |
|
|
| |
Fe |
34.4% |
| |
|
|
| Iron Chloride, FeCI3
. 6H2O |
|
|
| |
Fe |
20.7% |
| |
|
|
| Iron (ous) Chloride, FeCI2
. 2H2O |
|
|
| |
Fe |
38.6% |
| Iron Sulfate, FeSO4.
7H2O |
|
|
|
Fe |
21.7% |
|
SO4 |
34.5% |
|
|
|
| Lead Fluoborate*,
Pb(BF4)2 |
|
|
|
Pb |
54.3% |
|
|
|
| Lead Sulfamate,
Pb(SO3 . NH2)2 |
|
|
|
Pb |
51.9% |
|
|
|
Nickel Ammonium
Sulfate
(Double Nickel Salts) NiSO4(NH4)2.SO4 . 6H2O |
|
|
|
Ni |
14.8% |
|
SO4 |
48.6% |
|
NH4 |
9.1% |
|
|
|
| Nickel Carbonate,
2NiCO3 . 3Ni(OH)2 . 4H2O |
|
|
|
Ni |
50.0% |
|
CO3 |
10.2% |
|
|
|
| Nickel Chloride,
NiCI2 6H2O |
|
|
|
Ni |
24.5% |
|
Cl |
29.6% |
|
|
|
| Nickel Cyanide,
Ni(CN)2 . 4H2O |
|
|
|
Ni |
32.1% |
|
CN |
28.5% |
|
|
|
| Nickel Fluoborate*,
Ni(BF4)2, |
|