GB/T 20742-2006
Method for the determination of 2-thiouracil, methyl thiouracil, propyl thiouracil, tapazole and 2-mercaptobenzimidazole residues in bovine thyroid and muscles - LC-MS-MS method
GB/T 26603-2011
N,N-Dimethy aniline
HG/T 3409-2010
N-Methylaniline
GB/T 43179-2023
Determination of material insoluble in N,N-dimethylformamide for pesticides
GB/T 33089-2016
Chemical reagent—N,N-dimethyl-p-phenylenediamine dihydrochloride
GB/T 17521-1998
Chemical reagent--N,N-Dimethylformamide
GB/T 27563-2011
N-Methyl-2-Pyrrolidone for industrial use
GB/T 21841-2019
Rubber antioxidant—N-1,3-dimethylbutyl-N’-phenyl-p-phenylenediamine(6PPD)
GB/T 38349-2019
Determination of N-methyl pyrrolidone in rubber shoes and sports footwear
HG/T 5833-2021
Vulcanizing accelerator一N, N'-dimethyl-N,N'-diphenylthiuram disulfide (MPTD)
HG/T 5258-2017
Rubber antioxidant—N,N'-bis(1-methylpropyl)-p-phenylenediamine
HG/T 4896~4897-2016
HG/T 5351-2018
Textile dyeing and finishing-Determination of N,N -Dimethylformamide
GB/T 38409-2019
Leather—Chemical tests—Determination of N-methyl-2-pyrrolidone(NMP) and N-ethyl-2-pyrrolidone (NEP) content
HG/T 5502-2018
N -Methyl-4- (p -formylstyryl) pyridiniuID methyl sulfate
NY/T 3655-2020
Determination of N-Hydroxymethyl methionine calcium in feeds
DB34/T 4300-2022
HG/T 4711-2014
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)