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Feni Nilasari
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Biochemistry, Genetics & Molecular Biology Health Professions Immunology & microbiology Medicine & Pharmacology Public Health

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Penentuan Kadar Logam Timbal (Pb) pada Ikan Bandeng di Sekitar Pelabuhan Tanjung Mas Feni Nilasari; Yari Mukti Wibowo
Biomedika Vol 11 No 2 (2018): Jurnal Biomedika
Publisher : Fakultas Ilmu Kesehatan Universitas Setia Budi Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (671.926 KB) | DOI: 10.31001/biomedika.v11i2.400

Abstract

Ikan bandeng merupakan ikan yang sangat populer di kalangan masyarakat umum karena harganya yang terjangkau dan kandungan gizi yang tinggi untuk pertumbuhan manusia. Tambak ikan bandeng yang berada pada sekitar kawasan industri yang dekat dengan Pelabuhan Tanjung Mas dicurigai bisa tercemar oleh logam berat seperti Timbal (Pb), yang dapat mengakibatkan dampak buruk bagi manusia apabila terakumulasi di dalam tubuh. Metode analisis yang digunakan adalah Spektrofotometri Serapan Atom (SSA). SSA merupakan metode yang populer untuk analisis logam, karena di samping relatif sederhana, metode ini juga selektif dan sangat sensitif. Destruksi yang dilakukan pada sampel adalah destruksi kering dengan pemanasan pada suhu 5500C. Sampel yang telah didestruksi lalu diukur menggunakan alat spektrofotometer serapan atom dengan menggunakan panjang gelombang 217 nm untuk Pb. Absorbansi yang diperoleh kemudian dihitung menggunakan persamaan regresi linier yang didapatkan dari kurva baku untuk menentukan kadar logam Pb. Konsentrasi logam Pb dalam sampel ikan bandeng yang diambil dari tambak di sekitar Pelabuhan Tanjung Mas berada di bawah baku mutu yang ditetapkan oleh SNI No 7387 : 2009. Semakin jauh tempat pengambilan sampel dari kawasan industri, semakin kecil konsentrasi logam Pb yang ditemukan pada sampel ikan bandeng. Kata kunci: bandeng, Pelabuhan Tanjung Mas, timbal, destruksi kering, spektrofotometri serapan atom
Determination of Cadmium (Cd) Metal Content in Milkfish at Port of Tanjung Mas Feni Nilasari; Yari Mukti Wibowo
Biomedika Vol 13 No 1 (2020): Jurnal Biomedika
Publisher : Fakultas Ilmu Kesehatan Universitas Setia Budi Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31001/biomedika.v13i1.687

Abstract

The location of milkfish ponds around the Port of Tanjung Mas is adjacent to an industrial area. This can increase the possibilities of milkfish being contaminated by heavy metals, for example Cadmium (Cd) metal. Therefore it is necessary to determine the levels of Cadmium metal in milkfish that are cultivated in ponds around the Port of Tanjung Mas. The aims of this study is to find out the levels of Cadmium metal in milkfish samples at the Port of Tanjung Mas whether or nor it exceeds the threshold. The method commonly used for metal analysis is the Atomic Absorption Spectrophotometry (AAS) method, because this method is simple, selective and sensitive for analyzing metal content in a sample of animal origin, such as milkfish. In the initial treatment, milkfish samples were separated between meat and bones. The milkfish was then dried by heating at 150oC for 1 hour and continuing with ashes up to 550oC. The ash-shaped sample was dissolved in concentrated HNO3 and diluted with aquabidest. The aqueous sample solution was analyzed using ASS at a wavelength of 228 nm to determine the metal content of Cd in the sample. The level of Cd metal in milkfish samples analyzed using ASS, showed that it was still in accordance with the quality standard, which was below the threshold set in SNI No. 7387: 2009. Samples of milkfish taken from several pond locations showed that the farther pond was from the industrial area, the less Cd metal pollution in milkfish in the pond area.
Co-Authors Yari Mukti Wibowo