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Accumulation Of Heavy Metals In Mangrove Sediments Of Chumphon Province, Thailand, Nathsuda Pumijumnong, Bussarin Uppadit
Accumulation Of Heavy Metals In Mangrove Sediments Of Chumphon Province, Thailand, Nathsuda Pumijumnong, Bussarin Uppadit
Applied Environmental Research
The objective of this study was two-fold: to examine the heavy metal (Cd, Cu, Cr, Ni, Mn, Pb and Zn) levels that have accumulated in mangrove forest sediments in Chumphon Province, Thailand, and to determine the relationship between heavy metals and the physiochemical properties of sediment. The sediment was digested with HNO3 and HCl using a milestone microwave digestion system (model MLS-1200 MEGA), followed by the addition of 50 ml distilled water. The concentrations of Cu, Cr, Ni, Mn, and Zn in the filtered and digested samples were determined by air-acetylene flame atomic absorption spectrophotometry (FAAS, model Varian SpectrAA 220FS). …