The Use of Tea leaves Wastes to reduce Hexavalent Chromium Concentration in industrial Waste Water by Adsorption. Baghdad Sci.J [Internet]. 2014 Jun. 1 [cited 2024 Nov. 23];11(2):1067-73. Available from: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2730