Biochemical Oxygen Demand Procedure: - BOD stands for Biochemical Oxygen Demand. BOD is an important parameter used to measure the amount of oxygen required by microorganisms to break down the organic matter present in water. It is widely used to assess the pollution levels in water bodies and the effectiveness of wastewater treatment plants. In this article, we will discuss the step-by-step procedure for conducting the BOD test. Materials Required: - BOD bottles BOD bottles - Water sample BOD water sample - Sodium thiosulfate - Manganese sulfate Manganese sulfate - Alkali-iodide-azide reagent Alkali-iodide-azide reagent - Sulfuric acid Sulfuric acid - Stirrer Stirrer - DO Meter DO Meter - Incubator Incubator Procedure: - Step 1 : Collect a representative sample of water from the water body to be tested. It is important to ensure that the sample is representative and free from any contamination during the collection process. Step 2 : Fill the BOD bottle with the water sample, leav
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