Alcohol content measurement – Part 3 : Distillation with dilution

Alcohol content measurement – Part 3 : Distillation with dilution

To measure the alcohol content in a spirit, the official method by distillation is still the most used method because it is the most universal and the least expensive in investment.
There are different types of distillation devices (direct distillation or steam entrainment), more or less automated, but which all have a maximum field of application for measuring the alcohol level.
This article explains how to use the device even if the alcohol level is above its use limit, while obtaining accurate results using appropriate methodology.

Alcohol Content Measurement – Part 1: Principle, Equipment, Selection Criteria

Alcohol Content Measurement – Part 1: Principle, Equipment, Selection Criteria

To meet internal production control requirements, this article presents the various methods and equipment for measuring the alcohol content in alcoholic beverages.
It guides you in choosing the most suitable method based on your objectives, whether in terms of the type of beverage to be analyzed, the desired result accuracy, response time, frequency of analysis, operator qualifications, or budget constraints linked to investment and operation.

Alcohol Content Measurement – Part 1: Principle, Equipment, Selection Criteria

Alcohol content measurement – Part 2 : Distillation or Infrared

The official method for determining the alcohol content of a spirit requires prior distillation to eliminate residues that could distort the density measurement. However, distillation does not completely eliminate all volatile compounds other than ethanol.
What about measurements made with automatic or semi-automatic devices, very selective for the analysis of ethanol, such as near infrared analyzers?