ISO 6638-1:1985Published

Fruit and vegetable products — Determination of formic acid content — Part 1: Gravimetric method

Produits dérivés des fruits et légumes — Détermination de la teneur en acide formique — Partie 1: Méthode gravimétrique

Abstract / scope

The method consists in quantitative entraining by steam of the acid present in a test portion and reducing of mercury(II)chloride by the acid to mercury(I)chloride, followed by determing of the acid content from the yield of the mercury(I)chloride.

Life cycle

Replaced by

ISO/CD 6638-1Deleted (project abandoned)Fruit and vegetable products — Determination of formic acid content — Part 1: Gravimetric methodInternational Standard · ISO/TC 34/SC 3