Pigment Zinc oxide, Titanium dioxide, Iron oxide, Chromium oxide green, Carbon black, and so on.
Acid Formic acid,Oxalic acid, EDTA, Acetic Acid and so on.
Alkali Caustic Soda, Soda Ash, Caustic Potash and son on
Sulphate and Carbonates Sodium salts, Calcium salts, and so on