Penetapan Kadar Cd2+dan Pb2+pada Ikan Mujair (Oreochromis mossambicus)dengan Metode AAS (Atomic Absorption Spectrophotometry)

Abstract

Mujair fish (Oreochromis mossambicus) belongs to fish that are resistant to environmental conditions
and are easy to find. which if exposed to heavy metals and consumed in the long term will cause neurotoxic, carcinogenic, mutagenic, or teratogenic effects even to death. Cd²⁺ and Pb²⁺ are harmful heavy metals that are toxic and can pollute aquatic organisms. This study aims to determine the levels of Cd²⁺ and Pb²⁺ in mujair fish in ponds in Pekalongan City. Samples came from Jeruksari, Panjang, and Slamaran ponds. Analysis of heavy metal content using the AAS (Atomic Absorption Spectrophotometry) method. The results showed that mujair fish in Jeruksari, Panjang, and Slamaran ponds had Cd²⁺ levels 0,07; 17,38 and 0,02 mg/Kg, as well as Pb²⁺ levels of 10,26; 6,08 and 8,62 mg/Kg. Cd²⁺ levels in Panjang ponds exceeded the threshold set by BPOM which was 0,1 mg/Kg, while Pb²⁺ levels in the three ponds exceeded the threshold set by BPOM, namely 0,2 mg/Kg.