Home / Standards / GB/T 5474-2016 GB/T 5474-2016 Active Plastics—Phenol formaldehyde mouldings—Determination of free ammonia and ammonium compounds—Colorimetric comparison method 塑料 酚醛模塑制品 游离氨和铵化合物的测定 比色法 Standard Type GBT ICS 83.080.01 CCS G31 Status 现行 Issue Date 2016-06-14 Implementation 2017-01-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A