GB/T 30921.1-2014
Test method of purified terephthalic acid (PTA) for industrial use―Part 1:Determination of concentrations of 4-carboxybenzaldehyde (4-CBA) and p-toluic acid (p-TOL)
SH/T 1612.7-1995
SH/T 1687-2000
Purified terephthalic acid(PTA) for industrial use--Determination of 4-carboxybenzaldehyde and p-toluic acid--High performance capillary electrophoresis (HPCE)
HG/T 5623-2019
GB/T 33089-2016
Chemical reagent—N,N-dimethyl-p-phenylenediamine dihydrochloride
SH/T 1612.6-1995
HG/T 5258-2017
Rubber antioxidant—N,N'-bis(1-methylpropyl)-p-phenylenediamine
HG/T 4896~4897-2016
GB/T 21841-2019
Rubber antioxidant—N-1,3-dimethylbutyl-N’-phenyl-p-phenylenediamine(6PPD)
HG/T 5803\uff5e5806-2021
HJ 674-2013
HG/T 4896-2016
Rubber antioxidant-N-(1-methylheptyl)-N'-phenyl-p-phenylenediamine (8PPD)
HG/T 4898-2016
Blend of rubber antioxidant-N-( 1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine and N-(1,4-dimethylpentyl)-N'-phenyl-p-phenylenediamine (6PPD/7PPD)
GB/T 14375-1993
Water quality--Determination of monomethyl hydrazine--p-Dimethylaminobenzaldehyde spectrophotometric method
HG/T 5393\uff5e5395-2018
HG/T 4897-2016
Rubber antioxidant-N,N'-bis(1,4-dimethylpentyl)-p-phenylenediamine (77PD)
HG/T 5075-2016
Rubber antioxidant-N-(1,4-dimethylpentyl)-N'-phenylp-phenylenediamine(7PPD)
ASTM D7884-24
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
HG/T 4895-2016
Blend of rubber antioxidant-N-( 1-methylheptyl)-N'-phenyl-p-phenylenediamine and polymerized 2,2,4-trimethyl-1,2-dihydroquinoline (8PPD/TMQ)
ASTM D7409-15(2020)
Standard Test Method for Carboxyl End Group Content of Polyethylene Terephthalate (PET) Yarns