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Env Lab 9 by Harshit Verma is a document available to read on EtoBox.

What is Env Lab 9 about?

The document outlines a laboratory experiment conducted by a group of students at the Indian Institute of Technology Delhi to determine the Chemical Oxygen Demand (COD) of a water sample, which indicates the level of organic and inorganic pollution. The procedure involves using potassium dichromate and sulfuric acid to oxidize the sample, followed by titration with ferrous ammonium sulfate to measure COD levels. The results indicate an average COD of 51.46 mg/L, suggesting low to moderate organic pollution,

Author

Harshit Verma

Language

EN