TY - JOUR T1 - Concentration of Pb (II) by adsorption and its atomic absorption spectrometric determination JO - Eclética Química A1 - SEIJÓ ECHEVARRÍA, Marlene A1 - DEL TÓRO DÉNIZ, Rubén A1 - MARTINÉZ SÁEZ, Silvio A1 - ROSELL JUAN, Francisco SN - 0100-4670 UL - 10.1590/S0100-46701997000100016 VL - 22 Y1 - 1997 PB - Brasil ER -