Posts tagged 'Oil analysis'

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Peroxide Detection in Olive Oil

Peroxides are products generated from the breakdown of polyunsaturated fatty acids in the oil. They build up slowly over time contributing towards oil rancidity, resulting in undesirable flavours and odours. Their identification provides useful information about oil conservation and rancidity. Along with other measurements of free fatty acids (FFA) and UV absorption this information is used to ...
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What is TAN - Total Acid Number

Total Acid Number (TAN): [caption id="attachment_5085" align="aligncenter" width="300"] Oil testing[/caption] Total Acid Number (TAN) is a measure of the quantity of acidic compounds present in a petrochemical sample. The TAN value is determined for both new and used oil samples. New oils are monitored to ensure the initial quality of the oil meets the specific TAN range for the sample type. U...
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