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    2. 欧美日韩一级黄色片
              Acrylamide crystal
              Diethyl Oxalate
              Furfural
              Furfuryl Alcohol
              Furan resin
              2-Methylfuran
              γ-butyrolactone(GBL)
              Tetrahydrofurfuryl Alcohol
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      Acrylamide crystal item index

      analysis item index
      appearance white crystal
      acrylamide≥% 98.0
      moisture≤% 0.7
      iron ion(PPM)≤ no
      polymerization inhibitor(PPM)≤ 15
      40% solvent PH range 7-8
      40% solvent specific conductanceUS/CM≤ 5
      ethyl alcohol insoluble substance no