Levels and Distribution of Trace Metals in Sediments of Laguna Lake (Philippines) and its Tributary Rivers

V. A. Vicente-Beckett Institute of Chemistry, University of the Philippines, Diliman, 1101, Quezon City, Philippines; Department of Applied Chemistry, RMIT, GPO Box 2476V, Melbourne, 3001, Victoria, Australia

C. B. Pascual Institute of Chemistry, University of the Philippines, Diliman, 1101, Quezon City, Philippines

C. S. Kwan Natural Sciences Research Institute, University of the Philippines, Diliman, 1101, Quezon City, Philippines

R. Beckett Water Studies Centre, Monash University (Caulfield Campus), Caulfield East, Victoria, 3145, Australia

Abstract

Trace metal levels in bottom sediments of Laguna Lake (Luzon, Philippines) and of five of its tributary rivers, and in lakeshore samples were compared. Total metal analyses by flame atomic absorption spectrophotometry indicate relatively low (Cu, Zn, and Pb) to moderate (Fe, Mn, Hg, and Cd) metal contamination in the sediments.

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Levels and Distribution of Trace Metals in Sediments of Laguna Lake (Philippines) and its Tributary Rivers

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Levels and Distribution of Trace Metals in Sediments of Laguna Lake (Philippines) and its Tributary Rivers

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