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Question/Answer

Why concentrated sulfuric acid is used in bod

Sulfuric acid is used to adjust the pH of samples and can be used in checking for the presence of chlorine and other oxidizers.

What is the purpose of using sulfuric acid in BOD test?

Sulfuric acid is often used to neutralize samples and in the chlorine check procedure.

use of phosphate buffer in bod experiment?

This reagent is used in accordance with the instructions found in Standard Methods to prepare the dilution water for BOD analysis.

use of calcium chloride in bod experiment?

This reagent is used in accordance with the instructions found in Standard Methods to prepare the dilution water for BOD analysis.

use of ferric chloride in bod experiment?

This reagent is used in accordance with the instructions found in Standard Methods to prepare the dilution water for BOD analysis.

Why we add ferric chloride for BOD analysis?

Ferric chloride is a nutrient that provides \"food\" for the bacteria used in the seeding process.

Why we add calcium chloride for BOD analysis?

Calcium chloride is a nutrient that provides \"food\" for the bacteria used in the seeding process.

role of mannesium sulphate

In this instance, magnesium sulfate is intended for use in preparing dilution water for BOD analysis.

why magnesium sulphate added for bod testing

The simplest answer is that the method requires it. The reason for the requirement is that magnesium is a trace mineral required for growth of the bacteria used in the testing.

how to make phosphate buffer solution

Consult the method for instructions on how to prepare individual reagents.

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