B Acidic copper baths
Cu, sulfuric acid, chloride

C Alkaline copper baths
Cu, free cyanide, NaOH and carbonate

D Nickel baths
Ni, boric acid, chloride

E Chromium/chromatizing baths
Cr(VI), total chromium and Cr(III), sulfate/sulfuric acid, chloride, fluoride, Fe

F Zinc baths
Zn, NaOH and carbonate, total cyanide

G Acidic tin baths
Sn(II), total tin and Sn(IV), free sulfuric acid/free fluoroboric acid, chloride

H Alkaline tin baths
Total tin, NaOH and carbonate

I Silver baths
Ag, Cu, carbonate, free cyanide

J Gold baths
Au, Cu, free cyanide

K Palladium baths
Pd, chloride, nitrite

L Brass baths
Cu, Zn, free cyanide, NaOH and carbonate, sulfite, ammonium/ammonia

M Bronze baths
Cu, Sn, free cyanide

N Lead, lead/tin and cadmium baths
Pb, Sn, Cd, free fluoroboric acid, NaOH and carbonate, total cyanide

O Degreasing baths
NaOH/Na₂CO₃, NaOH/Na₃PO₄, Na₂SiO₃/Na₃PO₄, Na₂SiO₃/Na₃PO₄/NaCN

P Acidic etching or mordant baths
HNO₃ or HCl or H₂SO₄, H₃PO₄, HF, H₂SO₄/HNO₃/HCl, H₂SO₄/H₃PO₄, H₂SO₄/CrO₃, H₂SO₄/H₂O₂, HF/HNO₃, heavy metals contained in the baths

Q Baths for anodic oxidation of aluminum (anodizing baths)
H₂SO₄/Al/oxalic acid/chloride, H₂SO₄/CrO₃/chloride