Skripsi
KONSENTRASI LOGAM BERAT TIMBAL (PB) DAN KADMIUM (CD) PADA AIR DI PERAIRAN BANYUASIN
Anthropogenic activities in watersheds (DAS) significantly contribute to the increase in heavy metal concentrations, such as Lead (Pb) and Cadmium (Cd), in aquatic environments. Heavy metals are categorized as hazardous contaminants due to their high toxicity potential and non-degradable and bioaccumulative nature, so their accumulation in waters needs to be monitored. This study aims to analyze the concentration of heavy metals Pb and Cd in water in Banyuasin Waters and compare them with the quality standards stipulated in Government Regulation (PP) No. 22 of 2021. Sampling was conducted in February 2025 at six stations in Banyuasin Waters. Surface water samples were taken during low tide. Analysis of heavy metal concentrations was carried out using the Atomic Absorption Spectrophotometry (AAS) method. The results showed that the highest concentration of Lead (Pb) was 0.045 mg/L, found at station 4. This Pb concentration value has not exceeded the quality standard value stipulated by PP No. 22 of 2021, which is 0.05 mg/L. Meanwhile, the highest concentration of cadmium (Cd) was also found at station 4, at 0.223 mg/L. This Cd concentration exceeds the quality standard set by Government Regulation No. 22 of 2021, which is 0.01 mg/L.
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