Fruit and vegetable products — Determination of formic acid content — Part 1: Gravimetric method
NORMA vydaná dňa 21.11.1985
Označenie normy: ISO 6638-1:1985
Dátum vydania normy: 21.11.1985
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Medzinárodná technická norma
Kategória: Technické normy ISO
Description / Abstract: 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.