Estimation of Lead (Pb) in Toys Using X-Ray Fluorescence Technology
Journal Title: Journal of Krishna Institute of Medical Sciences University - Year 2016, Vol 5, Issue 1
Abstract
Background: Lead exists extensively in the environment and it is a heavy metal, which is neurotoxic in nature which is harmful to children. In contrast to trace elements such as iron (Fe) and zinc (Zn), lead has no recognized benecial effects in human body. With the economic development in India in recent years, the concentration of lead has increased in the environment and henceforth, lead pollution has become a severe problem in the country. Lead poisoning can create an immense damage and irreversible harm to foetal growth, the growth of teenagers and psychological, behavioural and cognitive development. Aim and Objectives: To estimate the lead content in the sample of toys. Material and Methods: 97 different toys were collected and coded as TS, these toys were kept in plastic lock cover which were lead proof. At rst the toys were arranged in order according to the serial number of the code (TS1 – TS97). The FP X-ray uorescence (Innov-X ray analyzer) instrument was placed with the window of the analyzer on the surface of the toy vertically in such a way that there was no gap between the toy surface and the sampling window. The parts per million (ppm) values of all toys were recorded. Results: Out of 97 samples tested, 22 samples were above permissible limits. The different materials demonstrate signicant correlation with the lead content in ppm. Lead is used as a stabilizer in some toys as well as children's items made from PVC plastic. Baby toys made up of plastic have higher concentration of lead. Lead can leach out of products when children handle and swallow them involuntarily.
Authors and Affiliations
Sandipayan Dutta , Smriti Srivastava , Soma Panda , Devesh Thakur , Dhiraj Pokhrel , Thuppil Venkatesh
Keywords
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