Citric acid is a natural preservative which occurs naturally in citrus fruits and is also used to add an acidic or sour taste to foods and drinks. It is widely used as a chelating agent, binding metals and used to remove scale from boilers and evaporators.
Used as a flavoring and preservative in food and beverages, especially soft drinks. An excellent chelating agent, binding metals and used to remove scale from boilers and evaporators.