Analisis Konsentrasi Logam Timbal (PB) Pada Ikan Gulama (Sciaena Russelli) Di…

Dumai sea waters have various port activities, industry, transportation, aquaculture and domestic activities that produce heavy metal Pb. The increase in metal concentration in the waters will accumulate in the Gulama fish (Sciaena russelli). This study aims to determine the concentration of heavy metal lead (Pb) contained in Sciaena russelli in the Dumai marine area and used as a learning medi…