n n 二甲基吡咯烷检测标准

Leather—Chemical tests—Determination of N-methyl-2-pyrrolidone（NMP) and N-ethyl-2-pyrrolidone (NEP) content

N-Methyl-2-Pyrrolidone for industrial use

N,N-Dimethy aniline

Determination of N-methyl pyrrolidone in rubber shoes and sports footwear

Chemical reagent—N,N-dimethyl-p-phenylenediamine dihydrochloride

Determination of material insoluble in N,N-dimethylformamide for pesticides

Chemical reagent--N，N-Dimethylformamide

Rubber antioxidant—N-1,3-dimethylbutyl-N’-phenyl-p-phenylenediamine（6PPD）

Vulcanizing accelerator一N, N'-dimethyl-N,N'-diphenylthiuram disulfide (MPTD)

Textile dyeing and finishing-Determination of N,N -Dimethylformamide

Test method of artificialleather and synthetic leather-N-Methyl pyrrolidone content

n-Methyl-2-Pyrrolidone for industrial use

Electronic-grade N-Methyl-2-Pyrrolidone

Blend of rubber antioxidant-N-( 1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine and N-(1,4-dimethylpentyl)-N'-phenyl-p-phenylenediamine (6PPD/7PPD)