Department of Chemistry;
Federal Urdu University of Arts;
Science and Technology (Gulshan Campus);
Karachi;
Pakistan;
Department of Chemistry;
University of Karachi;
Karachi;
Pakistan;
Mercury; Hair; Bioindicator; Cold; Vapor; Atomic; Absorption; Spectroscopy; (CVAA); Analysis; of; Variance; (ANOVA); Karachi;