Reference number
ISO 1388-5:1981
© ISO 2024
International Standard
ISO 1388-5:1981
Ethanol for industrial use — Methods of test — Part 5: Determination of aldehydes content — Visual colorimetric method
Edition 1
1981-12
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Published (Edition 1, 1981)
This publication was last reviewed and confirmed in 2023. Therefore this version remains current.

ISO 1388-5:1981

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Format
CHF 42
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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.

General information

  • Status
     : Published
    Publication date
     : 1981-12
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 47
    ICS :
    71.080.60 
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