Moghimi, A.. “Perconcentration of Mercury (II) from Natural Water by Activated Charcol -loaded Schiff’s Base 2-Propylpiperidine-1-Carbodithioate (PPCD) Phases.” Journal of Chemical Health Risks, vol. 1, no. 2, 2012, pp. 0-0. 10.22034/jchr.2012.543977