Artikel Ilmiah : L1C020021 a.n. CHIKA VIONA
| NIM | L1C020021 |
|---|---|
| Namamhs | CHIKA VIONA |
| Judul Artikel | Status Pencemaran Logam Berat Hg dan Pengaruh Fraksi Sedimen Serta Bahan Organik Terhadap Konsentrasi Hg pada Sedimen di Sungai Donan, Cilacap |
| Abstrak (Bhs. Indonesia) | Aktivitas antropogenik seperti pelabuhan niaga, wisata air, dan industri kilang minyak di sekitar perairan Sungai Donan berpotensi menyebabkan pencemaran logam Hg di sedimen yang berbahaya bagi ekosistem. Merkuri (Hg) merupakan logam berat dengan tingkat toksisitas paling tinggi dibandingkan logam lainnya. Penelitian ini bertujuan untuk menganalisis status pencemaran logam Hg di Sungai Donan serta pengaruh fraksi sedimen dan bahan organik terhadap konsentrasi logam Hg di sedimen. Pengambilan sampel sedimen di lakukan di tiga stasiun yang mewakili karakteristik wilayah berbeda. Analisis konsentrasi logam Hg dilakukan menggunakan metode CVAAS. Hasil penelitian konsentrasi rata-rata logam Hg di sedimen Sungai Donan ialah 0,219 mg/kg, dengan konsentrasi tertinggi ditemukan di Stasiun 3 yang merupakan daerah pembuangan limbah industri kilang minyak. Berdasarkan nilai CF dan I-geo sebesar 3,643 dan 1,154, Sungai Donan diindikasikan sebagai tercemar sedang. Analisis korelasi menunjukkan bahwa bahan organik berpengaruh signifikan terhadap konsentrasi logam Hg di sedimen, namun sebaliknya untuk fraksi sedimen. Kata kunci: Pencemaran laut, merkuri, sedimen, dan bahan organik. |
| Abtrak (Bhs. Inggris) | Anthropogenic activities such as commercial ports, water tourism, and the oil refinery industry around the waters of the Donan River have the potential to cause Hg metal pollution in sediments that are harmful for the ecosystem. Mercury (Hg) is one of heavy metal which have the highest toxicity level than another heavy metals. This study aims to analyze the status of Hg metal pollution in the Donan River and the influence of sediment grain size and organic matter on the concentration of Hg metal in sediments. Sediment samples were taken at three stations, which representing different regional characteristics. Analysis of Hg metal concentration was conducted using the CVAAS method. The results of the study showed that the average concentration of Hg metal in the Donan River sediment was 0,219 mg/kg, with the highest concentration found at Station 3 which is an oil refinery industrial waste disposal area. Based on the Cf and I-geo values of 3,643 and 1,154, Donan River is indicated as moderately polluted. Correlation analysis showed that organic matter has a significant effect on the concentration of Hg metal in sediment, otherwise for grain size. Keywords: Ocean pollution, mercury, sediment, and organic matter. |
| Kata kunci | Pencemaran laut, merkuri, sedimen, dan bahan organik. |
| Pembimbing 1 | Dr. Hartoyo, S. Pi., MT |
| Pembimbing 2 | Ani Haryati, S.I.K., M.Si |
| Pembimbing 3 | |
| Tahun | 2025 |
| Jumlah Halaman | 14 |
| Tgl. Entri | 2025-02-24 09:34:28.890783 |