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Lead Content of Enamel Paints in Leading Paint Companies in Bangladesh

Authors: Shamim Akter Mamun; Satyajit Roy Das; Nahar Nahida; Snigdha Talukder; Lokman Hossain; Mohammed Abdus Salam; Sultana Kamrun; +1 Authors

Lead Content of Enamel Paints in Leading Paint Companies in Bangladesh

Abstract

Lead (Pb) compounds have been historically used by paint manufacturers. Lead is added to paint to speed up drying, increase durability, maintain a fresh appearance, and resist moisture that causes corrosion. The study was carried out to determine the total lead content in enamel paint in major paint companies in Bangladesh. Twenty five enamel paint samples from 5 brands (5 colours in each brand) manufactured by the major players- Berger, Asian, Roxy, Pailac and Elite Paints were randomly purchased from various markets in Dhaka, Bangladesh during the months of January- April 2012. The paint samples were purchased in the sizes of 50 ml, 100 ml, 200 ml, 500 ml and 1 L depending upon the availability. Samples were analysed by Atomic Absorption Spectrometer using Air-Acetylene flame at the wavelength of 217 nm, band pass 0.5 nm, measurement time 4 second, background correction -D₂ (prescribed by AA Spectrometers Methods Manual of Thermo Electron Corporation). Lead was found in all enamel paint samples tested. 96% (24 out of 25 samples) of the enamel paint samples did not meet the specification for lead content prescribed by US and China limit. The average concentration of lead in all enamel paint samples ranged from 55 to 114010 ppm. Highest (114010 ppm) concentration of lead was detected in Golden yellow of Robbialac Acrylic Distemper manufactured by Berger paints which is 1267 times higher than the US and China limit for new paints (90 ppm). Lowest (55 ppm) concentration of lead was detected in white brand of paints manufactured by Pailac paints. The average concentration of lead for yellow enamel paints of all the five brands was 75286 ppm followed by orange which was 54708.2 ppm, green 28926 ppm, black 14967.2 ppm and finally white enamel paint contained 357.4 ppm. Formulation of a national policy on paint manufacture and its proper implementation is inevitable to stop the use of lead in paints in Bangladesh.

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
bronze