ISO 1388-11:1981

Ethanol for industrial use — Methods of test — Part 11: Test for detection of furfural

The principle consists in the treatment of a test portion with aniline and acetic acid, the presence of furfural leading to the formation of a characteristic red colour. – International Standards ISO 1388/1 to ISO 1377/12 cancel and replace ISO Recommendation R 1388-1970 of which they constitute a technical revision.