The density of olive oil varies depending on temperature. The weight of one liter of oil can increase by 2 percent or decrease by more than 10 percent with temperature changes. At high temperatures, olive oil expands, occupies a larger volume, and its density decreases. Conversely, at low temperatures, olive oil becomes heavier per liter of extra virgin olive oil. At room temperature, one liter of olive oil weighs approximately 916 grams, compared to approximately 916 grams at 20 degrees Celsius.
Relative density (specific gravity) is the ratio of the density of a substance (mass per unit volume) to the density of a particular reference material (usually water). The relative density of olive oil is the ratio of the weight of a certain volume of olive oil sample at 20 degrees Celsius to the weight of water at the same temperature and volume. The relative density of olive oil is essentially a purity criterion, it is of no use in determining the frauds made in olive oil.
The determination of relative density is made according to the IUPAC 2.101 standard determined by IUPAC (International Union of Pure and Applied Chemistry) (determination of density). The determined relative density must be within the values given in the annex of the Turkish Food Codex Communiqué on Oils Named by Plant (Communiqué no: 2012/29).
In the test, analysis, measurement and evaluation studies carried out in our organization, national and international standards and applicable legal regulations are complied with and reliable and impartial results are obtained. These studies are based on the latest technological equipment, trained and experienced staff and modern methods. Among the numerous tests carried out in this context, there are also relative density determination services.
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