90.93 Standard confirmed Mar 4, 2020
ISO
ISO/TC 61/SC 12 Thermosetting materials
International Standard
83.080.10 Thermosetting materials
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WITHDRAWN
ISO 8988:1995
PUBLISHED
ISO 8988:2006
90.93
Standard confirmed
Mar 4, 2020