ISO-4614 › Plastics - Melamine-formaldehyde mouldings - Determination of extractable formaldehyde
ISO-4614
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1ST EDITION
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CURRENT
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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.
To find similar documents by classification:
83.080.10 (Thermosetting materials Including ebonite Silicones, see 71.100.55)
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Document Number
ISO 4614:1977
Revision Level
1ST EDITION
Status
Current
Publication Date
July 1, 1977
Committee Number
ISO TC 61/SC 12