Comparative elemental analysis of some selected heavy metals in some brand of dust and dustless chalk obtained from gombe state main market
The investigation on the level of heavy metals contents in dust and dustless chalks such Nickel(Ni), Zinc (Zn), Iron (Fe), Lead (Pb), and Cupper (Cu) in the dust and dustless was determined. Fe has very high concentration in both samples. In dust it was found to be 14.7 and 8.15 in dustless respectively. Themoisture content of dust and dustless chalk which obtained from the analysis which show that the moisture content of dustless is lower than the dust sample.