I.S. EN ISO 9397:1997被替代
Plastics - Phenolic Resins - Determination of Free-formaldehyde Content - Hydroxylamine Hydrochloride Method
出版：National Standards Authority of Ireland
专家解读视频
Specifies a method of chemically determining free formaldehyde in phenolic resins by potentiometric titration, in aqueous or organic solution.
SS EN ISO 9397 Ed. 1 (1997) - Identical
UNE EN ISO 9397:1997 - Identical
ISO 9397:1995 - Identical
NS EN ISO 9397 Ed. 1 (1997) - Identical
UNI EN ISO 9397:1999 - Identical
ONORM EN ISO 9397:1997 - Identical
DIN EN ISO 9397 (1997-05) - Identical
BS EN ISO 9397:1997 - Identical
SN EN ISO 9397:1997 - Identical
NEN EN ISO 9397:1997 - Identical
NF EN ISO 9397:1997 - Identical
