The formula to calculate the Acid Demand (AD) is:
\[ AD = (TA - DTA) \times V \times 0.0015 \]
Where:
Acid demand refers to the amount of acid required to lower the pH level of a solution, substance, or environment to a desired level. This term is commonly used in water treatment processes, swimming pool maintenance, and soil testing. The acid demand is determined through a test which helps in maintaining the correct pH balance, preventing potential damage or harmful reactions.
Let's assume the following values:
Using the formula to calculate the Acid Demand (AD):
\[ AD = (TA - DTA) \times V \times 0.0015 = (120 - 80) \times 50,000 \times 0.0015 = 3,000 \text{ liters} \]
The Acid Demand (AD) is 3,000 liters.