久热中文字幕无码视频,精品国产AⅤ一区二区三区桃,国产 日韩 在线,国产香线蕉在线手机视频

<video id="bgnrd"></video>
    • <u id="bgnrd"></u>

      <i id="bgnrd"></i>
          <font id="bgnrd"></font>

          Welcome to visit Changzhou Chengbang Chemical Co., Ltd. official website!

          Collection ｜Homepage ｜中文版

          More>>
          Potassium hydroxide
          Product name: Potassium hydroxide
          CAS NO: 1310-58-3;71769-53-4
          Molecular weight: 57.113 
          EC NO: 215-181-3
          Molecular formula: KOH
          InChI: InChI=1/K.H2O/h;1H2/q+1;
          Structural formula:
            Order                   Back