Acid Value

Ester value

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The Ester Value is a critical analytical parameter used primarily to determine the quality and purity of waxes, fats, and essential oils. It is often studied immediately after the Acid value and Saponification value because it is mathematically derived from them. Definition The Ester Value is defined as the number of milligrams (mg) of Potassium … Read more

Acid Value (AV)- The “Freshness” Marker

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Introduction The Acid Value (AV) is one of the most important tests in food science and industrial chemistry. It essentially measures how “spoiled” or “aged” an edible fat and oil is. It tells us if an oil is fresh, if it is suitable for a specific purpose like cooking or soap-making or if it has … Read more