2021IOP Conference Series Earth and Environmental ScienceOpen access

Effect of tannery wastewater exposure on chromium detected in the meat of tilapia (Oreochromis niloticus L)

Taufiq Ihsan, Tivany Edwin, Rahayuningsih Christ Kartika

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Abstract

Abstract This study aimed to analyze the bioaccumulation of chromium (Cr) in the meat of tilapia (Oreochromis niloticus L) due to exposure to tannery wastewater. The wastewater concentration variations were 1.85% and 3.69% of the LC50 96-h. The study was carried out in triples, seven days of acclimatization, and 30 days of observation (exposed to wastewater). The measurement of Cr using Atomic Absorption Spectrophotometry (AAS) and calculation of BCF states the level of bioaccumulation in fish meat. The result showed the BCF value at a concentration of 1.85%, and 3.69% ranged 2.667-40.984, and 2.667-85.651 consecutively. It concluded that tilapia has a low accumulation rate.

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Abstract This study aimed to analyze the bioaccumulation of chromium (Cr) in the meat of tilapia (Oreochromis niloticus L) due to exposure to tannery wastewater. The wastewater concentration variations were 1.85% and 3.69% of the LC50 96-h. The study was carried out in triples, seven days of acclimatization, and 30 days of observation (exposed to wastewater). The measurement of Cr using Atomic Absorption Spectrophotometry (AAS) and calculation of BCF states the level of bioaccumulation in fish meat. The result showed the BCF value at a concentration of 1.85%, and 3.69% ranged 2.667-40.984, and 2.667-85.651 consecutively. It concluded that tilapia has a low accumulation rate.

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Available abstract

Abstract This study aimed to analyze the bioaccumulation of chromium (Cr) in the meat of tilapia (Oreochromis niloticus L) due to exposure to tannery wastewater. The wastewater concentration variations were 1.85% and 3.69% of the LC50 96-h. The study was carried out in triples, seven days of acclimatization, and 30 days of observation (exposed to wastewater). The measurement of Cr using Atomic Absorption Spectrophotometry (AAS) and calculation of BCF states the level of bioaccumulation in fish meat. The result showed the BCF value at a concentration of 1.85%, and 3.69% ranged 2.667-40.984, and 2.667-85.651 consecutively. It concluded that tilapia has a low accumulation rate.

Key concepts: Oreochromis, Bioaccumulation, Tilapia, Wastewater, Chromium, Acclimatization, Aquaculture of tilapia, Nile tilapia

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Effect of tannery wastewater exposure on chromium detected in the meat of tilapia (Oreochromis niloticus L) — Research Paper | ScholarLens