HG/T 5662\uff5e5664-2019
GB/T 38409-2019
Leather—Chemical tests—Determination of N-methyl-2-pyrrolidone(NMP) and N-ethyl-2-pyrrolidone (NEP) content
GB/T 27563-2011
N-Methyl-2-Pyrrolidone for industrial use
GB/T 26603-2011
N,N-Dimethy aniline
GB/T 38349-2019
Determination of N-methyl pyrrolidone in rubber shoes and sports footwear
GB/T 33089-2016
Chemical reagent—N,N-dimethyl-p-phenylenediamine dihydrochloride
GB/T 43179-2023
Determination of material insoluble in N,N-dimethylformamide for pesticides
QB/T 5430-2019
GB/T 17521-1998
Chemical reagent--N,N-Dimethylformamide
DB51/T 1789.9-2016
GB/T 21841-2019
Rubber antioxidant—N-1,3-dimethylbutyl-N’-phenyl-p-phenylenediamine(6PPD)
HG/T 5663-2019
HG/T 5833-2021
Vulcanizing accelerator一N, N'-dimethyl-N,N'-diphenylthiuram disulfide (MPTD)
HG/T 5351-2018
Textile dyeing and finishing-Determination of N,N -Dimethylformamide
QB/T 5159-2017
Test method of artificialleather and synthetic leather-N-Methyl pyrrolidone content
HG/T 4711-2014
20243172-T-606
n-Methyl-2-Pyrrolidone for industrial use
20231185-T-469
Electronic-grade N-Methyl-2-Pyrrolidone
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)
DB34/T 2086-2014