JIS K 7230:2007
JIS K 7230:2007
Plastics - Phenol-formaldehyde mouldings - Determination of free ammonia and ammonium compounds (Indophenol method)
Japanese Standards Association
Plastics - Phenol-formaldehyde mouldings - Determination of free ammonia and ammonium compounds (Indophenol method)
Japanese Standards Association
This Standard specifies a colorimetric comparison method for the determination of the amount of ammonia and ammonium compounds in phenol-formaldehyde mouldings.
Document Type | Standard |
Status | Current |
Publisher | Japanese Standards Association |
Supersedes |
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