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ISO 4614:1977

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Plastics - Melamine-formaldehyde mouldings - Determination of extractable formaldehyde

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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.


SDO ISO: International Organization for Standardization
Document Number ISO 4614
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 61/SC 12
Publish Date Document Id Type View
Not Available ISO 4614:1977 Revision