Explain about the ph - nutritional biochemistry, Biology

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Explain about the PH - Nutritional Biochemistry?

You have already studied about pH in your undergraduate years and know what it means. Yes, mathematically we can define pH as equal the negative log of the hydrogen ion concentration, or pH = -log [H+]. In simple terms, pH is a measure of the acidity or alkalinity of a solution. You have studied that the pH scale is a convenient means of expressing the relative acidity or alkalinity of solutions. The pH of the system plays a very vital role in success of many chemical and biochemical reactions. The pH of pure water is 7.0, therefore, the pH of any water sample may give an indication of the type of impurity present in water.

So now you know what pH means and also understand its significance. From your Nutritional chemistry lessons in school and in undergraduate years, you should be able to distinguish between acids and bases by looking at their pH values. You may also determine the pH of solutions using the pH paper. However, pH paper is used when approximate pH values are required. For a more accurate determination of pH, a pH meter is used.


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