Abstract
<p>Abstract<br />Waste produced by industrial activities in Donan River can be a heavy metal which is one source of harmful pollutant to the aquatic environment. This study was conducted monthly from August 2015 to January 2016 at the waters of the Donan River estuary. The aims of this study were to analyze the content of heavy metals Pb, Hg, Cd and Cu in whiting fish muscle and determine the tolerance limit to consume fish containing the heavy metals. Commonly, the average content of heavy metal in the whiting fish muscle based on Atomic Absorption Spectrophotometry (AAS) reading exeded the standard limit determined, but there are also some fish whose heavy metal still below the standard limit. The values of heavy metal in the fish muscle range &lt;0,005-9,19 ppm (Pb); 304,50-4535,22 ppb (Hg); 0,11-0,56 ppm (Cd); and 0,36-1,39 ppm (Cu). The maximum weight limit of fish muscle for adults (50 kg) and children (15 kg) are 17,64 g muscle per week and 5,29 g muscle per week, respectively.<br /><br /></p>
Highlights
Waste produced by industrial activities in Donan River can be a heavy metal which is one source of harmful pollutant to the aquatic environment
The aims of this study were to analyze the content of heavy metals Pb, Hg, Cd and Cu in whiting fish muscle and determine the tolerance limit to consume fish containing the heavy metals
The average content of heavy metal in the whiting fish muscle based on Atomic Absorption Spectrophotometry (AAS) reading exeded the standard limit determined, but there are some fish whose heavy metal still below the standard limit
Summary
Bahan yang digunakan dalam penelitian ini antara lain ikan rejung (S. sihama) yang ditangkap oleh nelayan di sepanjang perairan Sungai Donan (Gambar 1). Sampel diambil setiap bulan selama enam bulan, di preservasi dengan bahan kimia, dan selanjutnya dibawa ke laboratorium untuk dianalisis. Alat yang akan digunakan dalam penelitian ini adalah cool box, alat bedah, freezer, timbangan analitik dengan ketelitian 0,0001 g, penggaris dengan skala terkecil 0,5 mm, kamera, trash bag, pipet ukur, labu erlenmeyer 100 mL, mortal and pastel, AAS (Atomic Absorption Spectrophotometry), heater dan stirer, oven, dan desikator
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