Résumé
Specification of a qualitative method of detecting the presence of free ammonia or other volatile bases in phenol-formaldehyde mouldings by the exposure of an indicator paper to the vapour from a moistened powdered sample. It may be used when the absence of free ammonia is a requirement.
Informations générales
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État actuel: PubliéeDate de publication: 1978-08Stade: Norme internationale confirmée [90.93]
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Edition: 1Nombre de pages: 1
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Comité technique :ISO/TC 61/SC 12ICS :83.080.10
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