A DETERMINATION OF SOME HEAVY METALS (Mn, Fe, Ni, Cu & Hg) AND ISOCYANATE CONTENTS IN BODY FILLER AND BODY HARDENER USED IN AUTOMOBILE SPRAY PAINT

Abstract

Car spray painting as an occupation involves the use of car paints, body filler and body hardener on car surfaces for both protective and decorative purposes. It is a vocation which involves the use of special chemicals referred to as spray paints where a liquid coating substance s changed into a dust or aerosol, in order to apply a coating onto the body of cars. Spray paints used by car spray painters are water based paints such as primer, base coat, thinner and clear coat, the water based paints are usually used as a combination of two or more chemicals for spraying. Body fillers and body hardener used in automobile spray paints, are extensively used for vehicle maintenance and manufacturing due to their superior aesthetic and protective properties. However, the inclusion of hazardous substances such as Cupper (Cu), Iron (Fe), Manganese (Mn), Nickel (Ni), Mercury (Hg) and isocyanates in these paints poses significant health and environmental risks. Manganese (Mn) Concentration: The manganese concentration presents a highly concerning disparity, with BF showing an exceptionally high level (72.990 ± 2.599 ppm), whereas HT (0.040 ± 0.00 ppm) and HC (0.170 ± 0.010 ppm) have minimal levels. Manganese is known to have significant neurological effects when overexposed, including manganism, a condition with symptoms similar to Parkinson’s disease, as documented by Whig et al., (1994).

Keys: Heavy Metals, Isocyanates, Automobile Spray Paints