This standard establishes the way of expressing the content of ethyl alcohol (ethanol) in a hydroalcoholic mixture; the measurements to be made for its determination and the different tables that allow this content to be calculated based on the measurements made.
NC 90-13-42-1988 history
1988NC 90-13-42-1988 Metrological Assurance. Densimeters and Aerometers. International Alcoholimetric Tables