PH meter, water pH, milk pH, and human body pH

August 29, 2022by Kalstein
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PH is a parameter used to measure the concentration of the hydrogen ion [H +] in a solution. In definition pH, it is the negative logarithm of base 10 of the activity of the [H +]. PH values โ€‹โ€‹vary on a scale from 0 to 14, which indicates the degree of acidity or alkalinity of an aqueous solution.

Water pH: the pH of pure water has a value of 7.0. (Neutral)

Cow’s milk has a pH between 6.6 and 6.8; weakly acidic. For milk, pH values โ€‹โ€‹below 6.5 or above 6.9 are considered abnormal values.

Human body pH

The pH value in normal blood ranges between 7.35 and 7.45. Any small change from normal values โ€‹โ€‹has severe implications.

The human body has a variety of fluids that have different pH values. Saliva is a fluid present in the oral cavity, which has a pH between 6.5 and 7.5. After swallowing, the food reaches the stomach where the upper parts have different pHโ€™s. The upper part of the stomach has a pH of 4 to 6.5 (acidic), while the lower part is even more acidic, with a pH of 1.5 – 4.0. In the digestive tract, the pH is 7 – 8.5 (slightly alkaline). These, among many others.

The pH is a decisive factor to preserve the ideal conditions so that the different biological processes are possible; since the biomolecules that participate in them, such as proteins and enzymes, require a specific pH to be effective. A significant acid-base imbalance (outside normal values, however minimal) in humans generates a cascade of alterations; that by not being regained the balance in time causes death.

PH meter

It is an instrument used to measure the acidity or alkalinity of a solution (pH). A pH measurement can be obtained using pH indicators or test tapes that change color when interacting with the solution; each color represents a value on the pH scale. Another way to measure pH is also the use of electrodes. Not to mention, a widely used pH meter that allows for easy quick measurement; It is made up of a glass sensor and a reference tube. The sensor performs the measurement by perceiving a small voltage that is produced in it and in the reference tube; the meter converts the pH value and displays it on the digital display.

There are other methods used to measure pH, all having the same purpose, facilitating the user the work of pH measurement and facilitating procedures in which it is required to constantly have the degree of acidity or alkalinity of the compound. HERE

At Kalstein we are MANUFACTURERS and we offer pH meters of the highest quality and at the best PRICE on the market. Visit us on our website, in the products section HERE

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