Alkaline battery is the most common single-use (primary) battery, got its name so because it uses a paste of KOH as the electrolyte. Alkaline earth metals.
Benzene is an organic chemical compound discovered in 1823 by Faraday.
Chitosan is a non-toxic, biodegradable product derived from chitin by deacetylation in the presence of alkali.
Contaminated soil is the presence of pollutants density above background levels that pose a potential ecological or health risk.
Dyes fibre reactive- the molecules of fibre reactive dyes actually react and bond to the fibre molecules. These dyes are the best quality and most ecologically sound synthetic dyes available.
Hazardous Substances (RoHS) is an EU directive to limit the use of dangerous substances in electrical and electronic equipment and at the same time promote the recycling and or re-use of such products.
Heavy metal is a term used to describe a subset of a large number of metals and metalloids with high atomic(such as chromium, cadmium, arsenic and mercury), listed in the periodic table of the elements, which have properties of both metals and non-metals.
HEAVY METALS OVERVIEW GRAPHICS