90.93 Standard confirmed Jun 5, 2026
ISO
ISO/TC 61/SC 12 Thermosetting materials
International Standard
83.080.10 Thermosetting materials
Liquids simulating fodd and beverages are placed in contact with mouldings of the sample material, under defined conditions. The formaldehyde content of the liquid is then determined and the quantity of formaldehyde extracted per unit area of content is calculated. Two spectrophotometric methods for the determination of formaldehyde in the liquid, using chromotropic acid disodium salt or acetylacetone as reagents, are given.
PUBLISHED
ISO 4614:1977
90.93
Standard confirmed
Jun 5, 2026