GB/T 38409-2019
Leather—Chemical tests—Determination of N-methyl-2-pyrrolidone(NMP) and N-ethyl-2-pyrrolidone (NEP) content
GB/T 38409-2019
GB/T 38409-2019
2-Pyrrolidone for industrial use
GB/T 38409-2019
N-Methyl-2-Pyrrolidone for industrial use
GB/T 38409-2019
1-Vinyl-2-pyrrolidinone homopolymer for industrial use
GB/T 38409-2019
Determination of N-methyl pyrrolidone in rubber shoes and sports footwear
GB/T 38409-2019
Determination of 1-vinyl-2-pyrrolidinone homopolymer for industrial use
GB/T 38409-2019
GB/T 38409-2019
Determination of sodium PCA in cosmetics—High performance liquid chromatography
GB/T 38409-2019
GB/T 38409-2019
GB/T 38409-2019
GB/T 38409-2019
GB/T 38409-2019
GB/T 38409-2019
Determination of 1-methyl-2-pyrrolidone in paint by high performance liquid chromatography-tandem mass spectrometry
GB/T 38409-2019
Test method of artificialleather and synthetic leather-N-Methyl pyrrolidone content
GB/T 38409-2019
GB/T 38409-2019
GB/T 38409-2019
n-Methyl-2-Pyrrolidone for industrial use
GB/T 38409-2019
Electronic-grade N-Methyl-2-Pyrrolidone