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International Standard Category: Thermosetting materials

GB/T 5474-1985    Phenol-formaldehyde mouldings; Determination of free ammonia and ammonium compounds; Colorimetric comparison method
酚醛模塑制品游离氨和铵化合物的测定 比色法;
Category No.:83.080.10 Valid Status:superseded
Issued Organization:AQSIQ Issued Date:1985-10-17
Implemented Date:1986-7-1 Abolished Date:2017-01-01
Superseded Standard.:GB/T 5474-2016 Plastics-Phenol formaldehyde mouldings-Determination of free ammonia and ammonium compounds-Colorimetric comparison method
Superseded Date:2017-1-1
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