Active standard | Published: 01/12/1981

ISO 1388-5:1981

Ethanol for industrial use — Methods of test — Part 5: Determination of aldehydes content — Visual colorimetric method
(Éthanol a usage industriel — Méthodes d´essai — Partie 5: Dosage des aldéhydes — Méthode colorimétrique visuelle)

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Detail information

Designation: ISO 1388-5:1981

Publication date: 01/12/1981

Pages: 3

Country: International technical standard

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Anotation

Description / Abstract: The method is applicable to products having aldehyde contents in the range 0.00025 % (m/m) to 0.00125 % (m/m). The principle is based on the reaction of the aldehydes present in a test portion with Schiff reagent. Visual comparison of the colour obtained with the colours of standard colorimetric solutions containing known quantities of acetaldehyde. - International Standards ISO 1388/1 to ISO 1377/12 cancel and replace ISO Recommendation R 1388-1970 of which they constitute a technical revision.

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