Potensi Bioakumulasi Logam Pb, Cr dan Co Pada Insang dan Daging Ikan Mas (Cyprinus carpio L) Terhadap Paparan Toksisitas Akut Limbah Cair Industri Percetakan Kota Padang

Ihsan, Taufiq and Edwin, Tivany and Regia, Rinda Potensi Bioakumulasi Logam Pb, Cr dan Co Pada Insang dan Daging Ikan Mas (Cyprinus carpio L) Terhadap Paparan Toksisitas Akut Limbah Cair Industri Percetakan Kota Padang. In: 4th ACE Conference, 2017, Padang Indonesia.

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Abstract

The objective of the present study is to determine the bioaccumulation of heavy metals (Pb, Cr, and Co) from wastewater of printing industries in Padang City in gills and flesh of commercially fishes namely Common carp (Cyprinus carpio L). The experimental fish (length of 7-8 cm and weight of 6-7 grams) was exposed at various concentrations (50%; 110%; 170%; 230% and 290% of LC50) for periods of 96 hours. The results showed that the heavy metals content of Pb, Cr, and Co in wastewater of printing industries had crossed the threshold (Pb = 0.3 mg/L; Cr = 0.8 mg/L; Co = 0.9 mg/L). The highest concentrations of Pb, Cr, and Co metals both in gills and flesh of carp, are at a concentration of 290% of LC50. There is a correlation of increasing concentration of Pb, Cr, and Co on wastewater of printing industries with the concentration of Pb, Cr and Co metal on gills (r= 0.936 – 0.965) and flesh carp (r= 0.958 – 0.990). The highest bio-concentration factor (BCF) values of Pb, Cr and Co in gills at the concentration of 110% of LC50 (0.383; 0.132; 0.166) and the highest value of BCFs of Pb, Cr and Co in flesh at concentration were 50%, 170% and 110% (0.733; 0.272; 0.310). This indicates that the bioaccumulation level is low (BCF<100).

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