Published
ISO 8988:2006 specifies three methods for the determination of the hexamethylenetetramine ("hexa") content of phenolic resins:
a Kjeldahl method;direct titration with perchloric acid;potentiometric titration with hydrochloric acid.
WITHDRAWN
SSH EN ISO 8988:1997
PUBLISHED
SSH EN ISO 8988:2006
60.60
Standard published
Jan 1, 2008