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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,