• <acronym id="0j33o"></acronym>
    <acronym id="0j33o"></acronym>
    <code id="0j33o"><abbr id="0j33o"></abbr></code>
  • <b id="0j33o"></b>

          91av在线免费观看|91直操|黄色电影777|免费AV一级片|www.黄色在线|婷婷精品粉嫩蜜桃喷水|东京天堂热男人的天堂|日韩一级片66|国产av性爱网|日韩手机AV在线

          91av在线免费观看|91直操|黄色电影777|免费AV一级片|www.黄色在线|婷婷精品粉嫩蜜桃喷水|东京天堂热男人的天堂|日韩一级片66|国产av性爱网|日韩手机AV在线

          91av在线免费观看|91直操|黄色电影777|免费AV一级片|www.黄色在线|婷婷精品粉嫩蜜桃喷水|东京天堂热男人的天堂|日韩一级片66|国产av性爱网|日韩手机AV在线

          Jinan Zhonglan Chemical Co., Ltd. ENGLISHCHINESE      

          Trifluoroacetic acid



          molecular formula:CF3COOH
          molecular weight:114.03
          Materialization properties:
          Colorless and clear liquid, easily moisture absorption. specific gravity(water=1)1.54,atmosphere(=1)3.9,melting point-15.2℃,boiling point71.8℃, it’s easily soluble in alcohol ,water, diethyl ether, acetone, benzene and is poisonous and corrosive.
          Application:
          TFA is strong organic acid,can dissolve many inorganic substance and organic matter and so be provided with excellent reactivity worth ,which is extensively used in medicine, pesticide, dyestuff, amino acid safeguard, organic synthesis, materials processing.
          Storage:
          Seal and moisture proof.
          Package:
          50kgs or 250kgs within steel container or plastic container of corrosion resisting lining.
          Properties of products:

          item
          index
           
          high-class 
          first grade
          second grade
          qualified
          apperance
          colorless and clear liquid
          TFA %   ≥
          99.9
          99.5
          99.0
          99.0
          HCL %   ≤
          0.01
          0.05
          0.10
          0.30
          H2SO4 % ≤
          0.01
          0.05
          0.10
          0.30
          HF %    ≤
          0.001
          0.005
          0.01
          0.10




            Previous product:   None
            Next product: Trifluoroacetic anhydride

          ? ? 91av在线免费观看|91直操|黄色电影777|免费AV一级片|www.黄色在线|婷婷精品粉嫩蜜桃喷水|东京天堂热男人的天堂

        1. <acronym id="0j33o"></acronym>
          <acronym id="0j33o"></acronym>
          <code id="0j33o"><abbr id="0j33o"></abbr></code>
        2. <b id="0j33o"></b>
                一本在线免费| 99视频导航| A及黄色网| 91人人操人人爽人人| AV好屌妞AV| 美国一级A片免费看| 日韩无码黄色电影| 色色五月天电影| 日韩无码色情| 一级av一片中文字幕| 一道一本AV在线| 日韩电影Av| AV一级性爱| 青青草亚洲色图| 色情www日本欧美| 91Av在线网| 永久免费视频aaa| 欧美操碰C| 中国AV成人无码电影| 在线黄色A片| 色色韩日| 色无码日韩精品| 加勒比Aⅴ| 日韩一级黄色A片| 69 91av在线观看| 亚洲AV无码影视| 超碰97黄色| 91香蕉久久| 性爱黄视频在线免费观看| 内射网站| 中文AV网站| 成人电影av| 97人人妻人人爽人人操| 成人国产中出视频| 日韩特黄视频| 免费看的黄色片| 免费无码婬片AAAA| a级无码黄色视频| 欧亚毛片九九| 亚洲AV无码吞精久久| 欧洲成人AV在线|