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Analysis of Trace Metal Concentration in sediment sludge and Corals of Prigi Bay
Wahyu Adi Wijaya, Anugrah Ricky Wijaya*, Irma Kartika Kusumaningrum

Universitas Negeri malang


Abstract

The accumulation of heavy metal in marine waters is a very serious and dangerous environmental problem. Heavy metals can accumulate in sludges and corals. Understanding trace metal displacement, concentration and distribution is needed as a first step to prevent the spread of heavy metals pollution. We determined the trace metals in sludges ( Zn, Cd, Pb, Ni, Co,Cu and Fe) using the method Bureau Community of Reference (BCR) microwave as well as other chemical analyzes such as anion analysis and total organic carbon. The samples were used Acropora corals and sludges taken from Prigi bay waters. This research aims to (1) investigation of the level of metal pollution in prigi bay waters, (2) Look for the relationship of metal concentrations in sludges, corals and seawater in order to obtain more accurate pollution value data. The data for heavy metals concentration, zinc should not exceed than 50µg l-1 in marine waters. Cadmium is a relatively rare element with concentrations ranging from 2 x 10 4 to 2.9µg l-1. Lead is highly toxic and originates from anthropogenic activities. Nickel is one of the largest trace metal constituents of crude oil and cobalt is an essential metal for living organisms in low concentrations but may be toxic in high concentrations. Copper concentrations in marine waters should not increase than 5 µg l-1. For Higher concentrations of Fe in sludges and seawater may be revealed a pollution problem in a certain area. The precision value (% RSD) of using the BCR microwave method for trace metals in sludges has a range (3.99-9.6%) for all metals.

Keywords: Sludge, Coral, Heavy Metals, Risk Assessment, Prigi Bay

Topic: Bioconservation

Link: https://ifory.id/abstract/BedujmghNatG

Conference: International Conference on Life Sciences and Technology (ICoLiST 2019)

Plain Format | Corresponding Author (Anugrah Ricky Wijaya)

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