Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 38409-2019 |
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 |
China National Standards pyrrolidone(NMP |
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