This Standard specifies a colorimetric comparison method for the determi'
nation of the amount of ammonia and ammonium compounds in phenol-formaldehyde
NOTES 1 This Standard does not provide an absolute measure of the amount of
ammonia present. The amount of ammonia in a moulded article is of
importance when corrosion of metal inserts or contamination of food-
stuffs in contact with the article has to be considered.
The International Standard corresponding to this Standard is as fol-
In addition, symbols which denote the degree of correspondence in
the contents between the relevant International Standard and JIS are
IDT (identical), MOD (modified), and NEQ (not equivalent) according
to ISO/IEC Guide 21.
ISO 14849: 1999 Plastics- Phenol-tbrmaldehj,de mouldings-- De-
termination of free ammonia and ammonium compounds- Indophe-
nol method (MOD)