<li id="kg2ly"></li>
<progress id="kg2ly"></progress>
  1. <center id="kg2ly"><progress id="kg2ly"><progress id="kg2ly"></progress></progress></center>
    <b id="kg2ly"><samp id="kg2ly"><b id="kg2ly"></b></samp></b>
    1. <xmp id="kg2ly">
      <xmp id="kg2ly"><font id="kg2ly"></font>
      <xmp id="kg2ly"><font id="kg2ly"></font>

      <xmp id="kg2ly">
      <center id="kg2ly"></center>
      <progress id="kg2ly"><progress id="kg2ly"></progress></progress>

    2. Hengyang Best-selling Chemical Industry Co.,Ltd

      Products

      Arsenic Metal

      Molecular Formula: As
      Properties:
       The arsenic is stable in the dry air but in the wet air,it will be oxidated and generate black oxidation film; Arsenic doesn't work with water, alkali and the oxidizing acid, insoluble in water, but soluble in nitric acid and also can soluble in alkali, generating arsenic acid salt. Specification:

      Item As S Sb Bi
      Specs ≥99% ≤0.25% ≤0.20% ≤0.10%

      Usage:
      Used in the manufacture of hard
      alloy; Arsenic compounds can be used to kill the insects and medical. High purity arsenic is also used in semiconductor and laser technology.
      Packing: In 50kg Metal drum.

      中文字幕亚洲一区二区VA在线,国产精品一区二区AV白丝在线,洗澡被公强奷30分钟视频二百,快射视频
      国产手机在线精品| 护士人妻HD中文字幕| 国精品无码一区二区三区在线蜜臀| 精品人妻无码区二区三区| 啊灬啊灬啊灬快灬深用力| 国产亚洲精久久久久久无码77777| 亚洲AV成人无码久久精品| 亚洲人色婷婷成人网站在线观看| 18禁黄污吃奶免费看网站| 国产69精品久久久久9999不卡| 啊灬啊灬啊快日出水了|