It gives information about age of oil sample, also it signifies due to attack of atmospheric oxygen, hot moist air or microorganisms how much generation of free fatty acid has taken place leading to rancidity.
Pishawikar S.A.
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The pH value of an acid depends on its concentration.
A lower acid value indicates lower levels of free fatty acids in a substance, which can result in better quality and stability. Higher acid values can lead to rancidity, off-flavors, and reduced shelf life in products like oils and fats.
For a weak acid, the value of Ka gives one an indication of the degree to which that weak acid will dissociate. This then gives one an idea of the acidity of that weak acid, and it can be easily compared to other weak acids.
Free fatty acids are created by separating fatty acids from the fat molecule. To find the ration you must add a solvent agent. The lower the ratio is the better the storage and shelf life of the respective oil or fat will be.
The purpose of the gastric acid determination is to evaluate gastric function by measuring the amount of acid as suctioned directly from the stomach. The complete gastric acid determination includes the basal gastric secretion test.
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Gastric acid determination, also known as stomach acid determination, gastric analysis, or basal gastric secretion, is a procedure to evaluate gastric (stomach) function. The test specifically determines the presence of gastric acid, as well.
The determination of Ka for a weak acid in the lab involves measuring the concentration of the acid and its conjugate base at equilibrium, and using this information to calculate the acid dissociation constant (Ka) using the equation Ka HA-/HA.
Metaphosphoric acid will inactivate oxidase to prevent loss of ascorbic acid (Kendler)
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Self determination is about when a person uses inner strength to accomplish a task. Self determination is superior to other types of determination because it comes from the internal not external.
Yes, nitric acid or sulphuric acid can be used instead of hydrochloric acid in the hemoglobin determination experiment. However, the procedure and results may vary slightly due to differences in the chemical properties of the acids. It is advisable to consult a protocol or modify the experiment accordingly.
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1- Determination of activity coefficient . 2-determination of of composition of complex ion. 3-Potentiometric titrations.
Determination of the concentration of a base by titration with acids or determination of the concentration of an acid by titration with bases. (http://en.wikipedia.org/wiki/Acid-base_titration)
Rodger James Manning has written: 'The determination of boric acid, alone and in the presence of phosphoric acid' -- subject(s): Boric acid, Phosphoric acid