Uji Toksisitas Cuprum (Cu) Dan Cromium (Cr) Terhadap Kelimpahan Bacillaria Sp.

Abstract Heavy metals are chemicals that can pollute waters and are toxic to microalgae, such as copper (Cu) and chromium (Cr). Heavy metal Cu is an essential heavy metal, but it is toxic if the metal concentration is high in water. The study aimed to find out the toxicity of Cu and Cr as well as compare the toxicity of Cu and Cr against the abundance of Bacillaria sp. in 3 parameters nam…