日本欧美高清乱码一区二区,在线911精品亚洲,亚洲午夜免费小视频,视频一区二四三区四区

<dfn id="danvx"></dfn>

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

      CollectionHomepage中文版

      More>>
      Potassium carbonate
      Product name: Potassium carbonate
      CAS NO: 584-08-7
      Molecular weight: 138.2066 
      EC NO: 209-529-3
      Molecular formula: K2CO3
      InChI: InChI=1/CH2O3.2K.2H/c2-1(3)4;;;;/h(H2,2,3,4);;;;/p-2/rCH2O3.2HK/c2-1(3)4;;/h(H2,2,3,4);2*1H/p-2
      Structural formula:
        Order                   Back