Home / Standards / GB/T 38409-2019 GB/T 38409-2019 Active Leather—Chemical tests—Determination of N-methyl-2-pyrrolidone（NMP) and N-ethyl-2-pyrrolidone (NEP) content 皮革 化学试验 N-甲基吡咯烷酮（NMP）和N-乙基吡咯烷酮（NEP）的测定 Standard Type GBT ICS 59.140.30 CCS Y46 Status 现行 Issue Date 2019-12-31 Implementation 2020-07-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A