Kandungan Logam Berat Besi (Fe) Dan Kromium (Cr) Pada Air, Sedimen Dan Cacing…

Sail River has been polluted by heavy metals, especially Fe and Cr. Those heavy metals may accumulate in the body of aquatic organisms, including Tubifex. This research aims to understand the content of Fe and Cr in the water, sediment and Tubifex obtained from the river. Sampling was done three times, once in two weeks, from December 2017 - January 2018. Samples of water, sediment and Tubifex …