Ferric Chloride Solution 40% Hydrochloric Acid (HCl) Sulphuric Acid (H2SO4) Acetic Acid (CH3COOH) Phosphoric Acid (H3PO4) Nitric Acid (HNO3) Formalin / Formaldehyde Hydrobromic Acid (HBr) Hydrogen Peroxide (H2O2) Toluene Ethyl Acetate Sodium Lauryl Ether Sulphate (SLES)