NS EN ISO 9397 : 1ED 1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
PLASTICS - PHENOLIC RESINS - DETERMINATION OF FREE-FORMALDEHYDE CONTENT- HYDROXYLAMINE HYDROCHLORIDE METHOD
06-27-2005
01-12-2013
Defines a method for the chemical determination of free formaldehyde in phenolic resins by potentiometric titration, in aqueous or organic solution. Applies to resins having free-formaldehyde contents not in excess of 15% (m/m). Not for use when hexamethylenetetramine is present. ALSO NUMBERED AS BS 2782 PART 4 METHOD 451N 1997
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.