Plastics - Phenolic resins - Determination of free-formaldehyde content - Hydroxylamine hydrochloride method (ISO 9397:1995); German version EN ISO 9397:1997— 4 стр.
Binders for paints and varnishes - Determination of free-formaldehyde content of amino resins - Sodium sulfite titrimetric method (ISO 9020:1994, including Technical Corrigendum 1:1996); German version EN ISO 9020:1998— 6 стр.
Phenolic, amino and condensation resins - Determination of free-formaldehyde content (ISO 11402:2004); German version EN ISO 11402:2005, Corrigenda to DIN EN ISO 11402:2005-09; German version EN ISO 11402:2005/AC:2006— 2 стр.
