ISO 7466:1986
$13.00
Produits dérivés des fruits et légumes — Détermination de la teneur en hydroxy-5 méthylfurfural (5-HMF)
| Published By | Publication Date | Number of Pages |
| ISO | 1986-09 | 8 |
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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