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Zero point of charge and electrical charges determination in the Ap horizon of soils from the State of Paraiba, Brazil

, : Zero point of charge and electrical charges determination in the Ap horizon of soils from the State of Paraiba, Brazil. Revista Brasileira de Ciencia do Solo 16(3): 415-418

Electrical charges in the Ap horizon of six soils from Paraiba, Brazil, were studied by the potentiometric titration method using three KCl concentrations. The Zero Point of Charge (ZPC) was obtained from the point of intersection of the three curves.

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