ISO 7466:1986
ISO 7466:1986

Status : Published (Under review)

This standard was last reviewed and confirmed in 2016. Therefore this version remains current.
Format Language
std 1 42 PDF
std 2 42 Paper
  • CHF42
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The method comsists in preparing of a test solution by adding water to test portion, in the case of products containing more than 10 mg of free sulphur dioxide per litre, adding of acetaldhyde, then adding of p-toluidine and barbituric acid solution to an aliquot potion of the test solution, thus forming a red coloration by reaction with 5-hydroxymethylfurfural present, and spectrometric measuring at a wavelenght of 550nm.

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General information

  •  : Published
     : 1986-09
    : Close of review [90.60]
  •  : 1
     : 3
  • ISO/TC 34/SC 3
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